before merge
This commit is contained in:
Pavel Talanov
@@ -0,0 +1,545 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var Vector = Kotlin.Class.create({initialize:function (x, y) {
|
||||
this.$x = x;
|
||||
this.$y = y;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, plus:function (v) {
|
||||
{
|
||||
return creatures.v_0(this.get_x() + v.get_x(), this.get_y() + v.get_y());
|
||||
}
|
||||
}, minus:function () {
|
||||
{
|
||||
return creatures.v_0(-this.get_x(), -this.get_y());
|
||||
}
|
||||
}, minus$0:function (v) {
|
||||
{
|
||||
return creatures.v_0(this.get_x() - v.get_x(), this.get_y() - v.get_y());
|
||||
}
|
||||
}, times:function (koef) {
|
||||
{
|
||||
return creatures.v_0(this.get_x() * koef, this.get_y() * koef);
|
||||
}
|
||||
}, distanceTo:function (v) {
|
||||
{
|
||||
return Math.sqrt(this.minus$0(v).get_sqr());
|
||||
}
|
||||
}, rotatedBy:function (theta) {
|
||||
{
|
||||
var sin = Math.sin(theta);
|
||||
var cos = Math.cos(theta);
|
||||
return creatures.v_0(this.get_x() * cos - this.get_y() * sin, this.get_x() * sin + this.get_y() * cos);
|
||||
}
|
||||
}, isInRect:function (topLeft, size) {
|
||||
{
|
||||
return this.get_x() >= topLeft.get_x() && this.get_x() <= topLeft.get_x() + size.get_x() && this.get_y() >= topLeft.get_y() && this.get_y() <= topLeft.get_y() + size.get_y();
|
||||
}
|
||||
}, get_sqr:function () {
|
||||
{
|
||||
return this.get_x() * this.get_x() + this.get_y() * this.get_y();
|
||||
}
|
||||
}, get_normalized:function () {
|
||||
{
|
||||
return this.times(1 / Math.sqrt(this.get_sqr()));
|
||||
}
|
||||
}
|
||||
});
|
||||
var RadialGradientGenerator = Kotlin.Class.create({initialize:function (context) {
|
||||
this.$context = context;
|
||||
this.$gradients = new Kotlin.ArrayList;
|
||||
this.$current = 0;
|
||||
{
|
||||
this.newColorStops([
|
||||
[0, '#F59898'],
|
||||
[0.5, '#F57373'],
|
||||
[1, '#DB6B6B']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0.39, 'rgb(140,167,209)'],
|
||||
[0.7, 'rgb(104,139,209)'],
|
||||
[0.85, 'rgb(67,122,217)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,222,255)'],
|
||||
[0.5, 'rgb(255,185,222)'],
|
||||
[1, 'rgb(230,154,185)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,209,114)'],
|
||||
[0.5, 'rgb(255,174,81)'],
|
||||
[1, 'rgb(241,145,54)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(132,240,135)'],
|
||||
[0.5, 'rgb(91,240,96)'],
|
||||
[1, 'rgb(27,245,41)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(250,147,250)'],
|
||||
[0.5, 'rgb(255,80,255)'],
|
||||
[1, 'rgb(250,0,217)']
|
||||
]);
|
||||
}
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_gradients:function () {
|
||||
return this.$gradients;
|
||||
}, get_current:function () {
|
||||
return this.$current;
|
||||
}, set_current:function (tmp$0) {
|
||||
this.$current = tmp$0;
|
||||
}, newColorStops:function (colorStops) {
|
||||
{
|
||||
this.get_gradients().add(colorStops);
|
||||
}
|
||||
}, getNext:function () {
|
||||
{
|
||||
var result = this.get_gradients().get(this.get_current());
|
||||
this.set_current((this.get_current() + 1) % this.get_gradients().size());
|
||||
return result;
|
||||
}
|
||||
}
|
||||
});
|
||||
var CanvasState = Kotlin.Class.create({initialize:function (canvas) {
|
||||
this.$canvas = canvas;
|
||||
this.$width = this.get_canvas().width;
|
||||
this.$height = this.get_canvas().height;
|
||||
this.$context = getContext();
|
||||
this.$valid = false;
|
||||
this.$shapes = new Kotlin.ArrayList;
|
||||
this.$selection = null;
|
||||
this.$dragOff = new creatures.Vector_0(0, 0);
|
||||
this.$interval = 1000 / 30;
|
||||
{
|
||||
var tmp$4;
|
||||
var tmp$3;
|
||||
var tmp$2;
|
||||
var tmp$1;
|
||||
var tmp$0_0;
|
||||
$(this.get_canvas()).mousedown((tmp$0_0 = this , function (it) {
|
||||
{
|
||||
var tmp$0;
|
||||
tmp$0_0.set_valid(false);
|
||||
tmp$0_0.set_selection(null);
|
||||
var mousePos = tmp$0_0.mousePos_0(it);
|
||||
{
|
||||
tmp$0 = tmp$0_0.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
if (shape.contains(mousePos)) {
|
||||
tmp$0_0.set_dragOff(mousePos.minus$0(shape.get_pos()));
|
||||
shape.set_selected(true);
|
||||
tmp$0_0.set_selection(shape);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mousemove((tmp$1 = this , function (it) {
|
||||
{
|
||||
if (tmp$1.get_selection() != null) {
|
||||
Kotlin.sure(tmp$1.get_selection()).set_pos(tmp$1.mousePos_0(it).minus$0(tmp$1.get_dragOff()));
|
||||
tmp$1.set_valid(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mouseup((tmp$2 = this , function (it) {
|
||||
{
|
||||
if (tmp$2.get_selection() != null) {
|
||||
Kotlin.sure(tmp$2.get_selection()).set_selected(false);
|
||||
}
|
||||
tmp$2.set_selection(null);
|
||||
tmp$2.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).dblclick((tmp$3 = this , function (it) {
|
||||
{
|
||||
var newCreature = new creatures.Creature_0(tmp$3.mousePos_0(it), tmp$3);
|
||||
tmp$3.addShape(newCreature);
|
||||
tmp$3.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
setInterval((tmp$4 = this , function () {
|
||||
{
|
||||
tmp$4.draw();
|
||||
}
|
||||
}
|
||||
), this.get_interval());
|
||||
}
|
||||
}, get_canvas:function () {
|
||||
return this.$canvas;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, set_width:function (tmp$0) {
|
||||
this.$width = tmp$0;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, set_height:function (tmp$0) {
|
||||
this.$height = tmp$0;
|
||||
}, get_size:function () {
|
||||
{
|
||||
return creatures.v_0(this.get_width(), this.get_height());
|
||||
}
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_valid:function () {
|
||||
return this.$valid;
|
||||
}, set_valid:function (tmp$0) {
|
||||
this.$valid = tmp$0;
|
||||
}, get_shapes:function () {
|
||||
return this.$shapes;
|
||||
}, set_shapes:function (tmp$0) {
|
||||
this.$shapes = tmp$0;
|
||||
}, get_selection:function () {
|
||||
return this.$selection;
|
||||
}, set_selection:function (tmp$0) {
|
||||
this.$selection = tmp$0;
|
||||
}, get_dragOff:function () {
|
||||
return this.$dragOff;
|
||||
}, set_dragOff:function (tmp$0) {
|
||||
this.$dragOff = tmp$0;
|
||||
}, get_interval:function () {
|
||||
return this.$interval;
|
||||
}, mousePos_0:function (e) {
|
||||
{
|
||||
var offset = new creatures.Vector_0(0, 0);
|
||||
var element = this.get_canvas();
|
||||
while (element != null) {
|
||||
var el = Kotlin.sure(element);
|
||||
offset = offset.plus(new creatures.Vector_0(el.offsetLeft, el.offsetTop));
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return (new creatures.Vector_0(e.pageX, e.pageY)).minus$0(offset);
|
||||
}
|
||||
}, addShape:function (shape) {
|
||||
{
|
||||
this.get_shapes().add(shape);
|
||||
this.set_valid(false);
|
||||
}
|
||||
}, clear:function () {
|
||||
{
|
||||
this.get_context().fillStyle = '#FFFFFF';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
this.get_context().strokeStyle = '#000000';
|
||||
this.get_context().lineWidth = 4;
|
||||
this.get_context().strokeRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, draw:function () {
|
||||
{
|
||||
var tmp$0;
|
||||
if (this.get_valid())
|
||||
return;
|
||||
this.clear();
|
||||
{
|
||||
tmp$0 = creatures.reversed(this.get_shapes()).iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
shape.draw(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
creatures.get_Kotlin().draw(this);
|
||||
this.set_valid(true);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Shape = Kotlin.Class.create({initialize:function () {
|
||||
this.$selected = false;
|
||||
}, draw:function (state) {
|
||||
}, contains:function (mousePos) {
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_selected:function () {
|
||||
return this.$selected;
|
||||
}, set_selected:function (tmp$0) {
|
||||
this.$selected = tmp$0;
|
||||
}, shadowed:function (receiver, shadowOffset, alpha, render) {
|
||||
{
|
||||
receiver.save();
|
||||
receiver.shadowColor = 'rgba(100, 100, 100, ' + alpha + ')';
|
||||
receiver.shadowBlur = 5;
|
||||
receiver.shadowOffsetX = shadowOffset.get_x();
|
||||
receiver.shadowOffsetY = shadowOffset.get_y();
|
||||
render.call(receiver);
|
||||
receiver.restore();
|
||||
}
|
||||
}, fillPath:function (receiver, constructPath) {
|
||||
{
|
||||
receiver.beginPath();
|
||||
constructPath.call(receiver);
|
||||
receiver.closePath();
|
||||
receiver.fill();
|
||||
}
|
||||
}
|
||||
});
|
||||
var Creature = Kotlin.Class.create(Shape, {initialize:function (pos, state) {
|
||||
this.$pos = pos;
|
||||
this.$state = state;
|
||||
this.super_init();
|
||||
this.$shadowOffset = creatures.v_0(-5, 5);
|
||||
this.$colorStops = creatures.get_gradientGenerator().getNext();
|
||||
this.$relSize = 0.05;
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_state:function () {
|
||||
return this.$state;
|
||||
}, get_shadowOffset:function () {
|
||||
return this.$shadowOffset;
|
||||
}, get_colorStops:function () {
|
||||
return this.$colorStops;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, get_radius:function () {
|
||||
{
|
||||
return this.get_state().get_width() * this.get_relSize();
|
||||
}
|
||||
}, get_position:function () {
|
||||
var tmp$0;
|
||||
if (this.get_selected())
|
||||
tmp$0 = this.get_pos().minus$0(this.get_shadowOffset());
|
||||
else
|
||||
tmp$0 = this.get_pos();
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}, get_directionToLogo:function () {
|
||||
{
|
||||
return creatures.get_Kotlin().get_centre().minus$0(this.get_position()).get_normalized();
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return this.get_pos().distanceTo(mousePos) < this.get_radius();
|
||||
}
|
||||
}, circlePath:function (receiver, position, rad) {
|
||||
{
|
||||
receiver.arc(position.get_x(), position.get_y(), rad, 0, 2 * Math.PI, false);
|
||||
}
|
||||
}, fillCircle:function (receiver, position, rad) {
|
||||
{
|
||||
var tmp$0;
|
||||
this.fillPath(receiver, (tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.circlePath(receiver, position, rad);
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
if (!this.get_selected()) {
|
||||
this.drawCreature(context);
|
||||
}
|
||||
else {
|
||||
this.drawCreatureWithShadow(context);
|
||||
}
|
||||
}
|
||||
}, drawCreature:function (context) {
|
||||
{
|
||||
var tmp$0;
|
||||
context.fillStyle = this.getGradient(context);
|
||||
this.fillPath(context, (tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.tailPath(context);
|
||||
tmp$0.circlePath(this, tmp$0.get_position(), tmp$0.get_radius());
|
||||
}
|
||||
}
|
||||
));
|
||||
this.drawEye(context);
|
||||
}
|
||||
}, getGradient:function (context) {
|
||||
{
|
||||
var tmp$0;
|
||||
var gradientCentre = this.get_position().plus(this.get_directionToLogo().times(this.get_radius() / 4));
|
||||
var gradient = context.createRadialGradient(gradientCentre.get_x(), gradientCentre.get_y(), 1, gradientCentre.get_x(), gradientCentre.get_y(), 2 * this.get_radius());
|
||||
{
|
||||
tmp$0 = Kotlin.arrayIterator(this.get_colorStops());
|
||||
while (tmp$0.hasNext()) {
|
||||
var colorStop = tmp$0.next();
|
||||
{
|
||||
gradient.addColorStop(colorStop[0], colorStop[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
return gradient;
|
||||
}
|
||||
}, tailPath:function (context) {
|
||||
{
|
||||
var tailDirection = this.get_directionToLogo().minus();
|
||||
var tailPos = this.get_position().plus(tailDirection.times(this.get_radius()).times(1));
|
||||
var tailSize = this.get_radius() * 1.6;
|
||||
var angle = Math.PI / 6;
|
||||
var p1 = tailPos.plus(tailDirection.rotatedBy(angle).times(tailSize));
|
||||
var p2 = tailPos.plus(tailDirection.rotatedBy(-angle).times(tailSize));
|
||||
var middlePoint = this.get_position().plus(tailDirection.times(this.get_radius()).times(1));
|
||||
context.moveTo(tailPos.get_x(), tailPos.get_y());
|
||||
context.lineTo(p1.get_x(), p1.get_y());
|
||||
context.quadraticCurveTo(middlePoint.get_x(), middlePoint.get_y(), p2.get_x(), p2.get_y());
|
||||
context.lineTo(tailPos.get_x(), tailPos.get_y());
|
||||
}
|
||||
}, drawEye:function (context) {
|
||||
{
|
||||
var eyePos = this.get_directionToLogo().times(this.get_radius()).times(0.6).plus(this.get_position());
|
||||
var eyeRadius = this.get_radius() / 3;
|
||||
var eyeLidRadius = eyeRadius / 2;
|
||||
context.fillStyle = '#FFFFFF';
|
||||
this.fillCircle(context, eyePos, eyeRadius);
|
||||
context.fillStyle = '#000000';
|
||||
this.fillCircle(context, eyePos, eyeLidRadius);
|
||||
}
|
||||
}, drawCreatureWithShadow:function (context) {
|
||||
{
|
||||
var tmp$0_0;
|
||||
this.shadowed(context, this.get_shadowOffset(), 0.7, (tmp$0_0 = this , function () {
|
||||
{
|
||||
var tmp$0;
|
||||
context.fillStyle = tmp$0_0.getGradient(context);
|
||||
tmp$0_0.fillPath(this, (tmp$0 = tmp$0_0 , function () {
|
||||
{
|
||||
tmp$0.tailPath(context);
|
||||
tmp$0.circlePath(context, tmp$0.get_position(), tmp$0.get_radius());
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}
|
||||
));
|
||||
this.drawEye(context);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Logo = Kotlin.Class.create(Shape, {initialize:function (pos) {
|
||||
this.$pos = pos;
|
||||
this.super_init();
|
||||
this.$relSize = 0.25;
|
||||
this.$shadowOffset = creatures.v_0(-3, 3);
|
||||
this.$imageSize = creatures.v_0(377, 393);
|
||||
this.$size = this.get_imageSize().times(this.get_relSize());
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, get_shadowOffset:function () {
|
||||
return this.$shadowOffset;
|
||||
}, get_imageSize:function () {
|
||||
return this.$imageSize;
|
||||
}, get_size:function () {
|
||||
return this.$size;
|
||||
}, set_size:function (tmp$0) {
|
||||
this.$size = tmp$0;
|
||||
}, get_position:function () {
|
||||
var tmp$0;
|
||||
if (this.get_selected())
|
||||
tmp$0 = this.get_pos().minus$0(this.get_shadowOffset());
|
||||
else
|
||||
tmp$0 = this.get_pos();
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}, drawLogo:function (state) {
|
||||
{
|
||||
this.set_size(this.get_imageSize().times(state.get_size().get_x() / this.get_imageSize().get_x()).times(this.get_relSize()));
|
||||
state.get_context().drawImage(getKotlinLogo(), 0, 0, this.get_imageSize().get_x(), this.get_imageSize().get_y(), this.get_position().get_x(), this.get_position().get_y(), this.get_size().get_x(), this.get_size().get_y());
|
||||
}
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
if (this.get_selected()) {
|
||||
var tmp$0;
|
||||
this.shadowed(context, this.get_shadowOffset(), 0.2, (tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.drawLogo(state);
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
else {
|
||||
this.drawLogo(state);
|
||||
}
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_size());
|
||||
}
|
||||
}, get_centre:function () {
|
||||
{
|
||||
return this.get_pos().plus(this.get_size().times(0.5));
|
||||
}
|
||||
}
|
||||
});
|
||||
return {Shape_0:Shape, Logo_0:Logo, Creature_0:Creature, RadialGradientGenerator_0:RadialGradientGenerator, CanvasState_0:CanvasState, Vector_0:Vector};
|
||||
}
|
||||
();
|
||||
var creatures = Kotlin.Namespace.create({initialize:function () {
|
||||
creatures.$Kotlin = new creatures.Logo_0(creatures.v_0(300, 100));
|
||||
creatures.$gradientGenerator = new creatures.RadialGradientGenerator_0(getContext());
|
||||
}, get_Kotlin:function () {
|
||||
return creatures.$Kotlin;
|
||||
}, get_gradientGenerator:function () {
|
||||
return creatures.$gradientGenerator;
|
||||
}, v_0:function (x, y) {
|
||||
{
|
||||
return new creatures.Vector_0(x, y);
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var state = new creatures.CanvasState_0(getCanvas());
|
||||
state.addShape(creatures.get_Kotlin());
|
||||
state.addShape(new creatures.Creature_0(state.get_size().times(0.25), state));
|
||||
state.addShape(new creatures.Creature_0(state.get_size().times(0.75), state));
|
||||
setTimeout(function () {
|
||||
{
|
||||
state.set_valid(false);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}, reversed:function (receiver) {
|
||||
{
|
||||
var result = new Kotlin.ArrayList;
|
||||
var i = receiver.size();
|
||||
while (i > 0) {
|
||||
result.add(receiver.get(--i));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
creatures.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
creatures.main(args);
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 6.5 KiB |
@@ -0,0 +1,331 @@
|
||||
/*
|
||||
In this example strange creatures are watching the kotlin logo. You can drag'n'drop them as well as the logo.
|
||||
Doubleclick to add more creatures but be careful. They may be watching you!
|
||||
*/
|
||||
package creatures
|
||||
// importing some of the API defined
|
||||
import jquery.*
|
||||
import html5.*
|
||||
import java.util.ArrayList
|
||||
import js.*
|
||||
import js.Math
|
||||
import js.setInterval
|
||||
import html5.getCanvas
|
||||
import html5.getKotlinLogo
|
||||
import jquery.jq
|
||||
import js.setTimeout
|
||||
import java.util.List
|
||||
|
||||
|
||||
abstract class Shape() {
|
||||
|
||||
abstract fun draw(state : CanvasState)
|
||||
// these two abstract methods defines that our shapes can be dragged
|
||||
abstract fun contains(mousePos : Vector) : Boolean
|
||||
abstract var pos : Vector
|
||||
|
||||
var selected : Boolean = false
|
||||
|
||||
// a couple of helper extension methods we'll be using in the derived classes
|
||||
fun Context.shadowed(shadowOffset : Vector, alpha : Double, render : Context.() -> Unit) {
|
||||
save()
|
||||
shadowColor = "rgba(100, 100, 100, $alpha)"
|
||||
shadowBlur = 5.0
|
||||
shadowOffsetX = shadowOffset.x
|
||||
shadowOffsetY = shadowOffset.y
|
||||
render()
|
||||
restore()
|
||||
}
|
||||
|
||||
fun Context.fillPath(constructPath : Context.() -> Unit) {
|
||||
beginPath()
|
||||
constructPath()
|
||||
closePath()
|
||||
fill()
|
||||
}
|
||||
}
|
||||
|
||||
val Kotlin = Logo(v(300.0, 100.0))
|
||||
|
||||
class Logo(override var pos : Vector) : Shape()
|
||||
{
|
||||
val relSize : Double = 0.25
|
||||
val shadowOffset = v(-3.0, 3.0)
|
||||
val imageSize = v(377.0, 393.0)
|
||||
var size : Vector = imageSize * relSize
|
||||
// get-only properties like this saves you lots of typing and are very expressive
|
||||
val position : Vector
|
||||
get() = if (selected) pos - shadowOffset else pos
|
||||
|
||||
|
||||
fun drawLogo(state : CanvasState) {
|
||||
size = imageSize * (state.size.x / imageSize.x) * relSize
|
||||
// getKotlinLogo() is a 'magic' function here defined only for purposes of demonstration but in fact it just find an element containing the logo
|
||||
state.context.drawImage(getKotlinLogo(), 0.0, 0.0, imageSize.x, imageSize.y, position.x, position.y, size.x, size.y)
|
||||
}
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context
|
||||
if (selected) {
|
||||
// using helper we defined in Shape class
|
||||
context.shadowed(shadowOffset, 0.2) {
|
||||
drawLogo(state)
|
||||
}
|
||||
} else {
|
||||
drawLogo(state)
|
||||
}
|
||||
}
|
||||
|
||||
override fun contains(mousePos: Vector): Boolean = mousePos.isInRect(pos, size)
|
||||
|
||||
val centre : Vector
|
||||
get() = pos + size * 0.5
|
||||
}
|
||||
|
||||
val gradientGenerator = RadialGradientGenerator(getContext())
|
||||
|
||||
class Creature(override var pos : Vector, val state : CanvasState) : Shape() {
|
||||
|
||||
val shadowOffset = v(-5.0, 5.0)
|
||||
val colorStops = gradientGenerator.getNext()
|
||||
val relSize = 0.05
|
||||
// these properties have no backing fields and in java/javascript they could be represented as little helper functions
|
||||
val radius : Double
|
||||
get() = state.width * relSize
|
||||
val position : Vector
|
||||
get() = if (selected) pos - shadowOffset else pos
|
||||
val directionToLogo : Vector
|
||||
get() = (Kotlin.centre - position).normalized
|
||||
|
||||
//notice how the infix call can make some expressions extremely expressive
|
||||
override fun contains(mousePos : Vector) = pos distanceTo mousePos < radius
|
||||
|
||||
// defining more nice extension functions
|
||||
fun Context.circlePath(position : Vector, rad : Double) {
|
||||
arc(position.x, position.y, rad, 0.0, 2 * Math.PI, false)
|
||||
}
|
||||
|
||||
//notice we can use an extension function we just defined inside another extension function
|
||||
fun Context.fillCircle(position : Vector, rad : Double) {
|
||||
fillPath {
|
||||
circlePath(position, rad)
|
||||
}
|
||||
}
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context
|
||||
if (!selected) {
|
||||
drawCreature(context)
|
||||
} else {
|
||||
drawCreatureWithShadow(context)
|
||||
}
|
||||
}
|
||||
|
||||
fun drawCreature(context : Context) {
|
||||
context.fillStyle = getGradient(context)
|
||||
context.fillPath {
|
||||
tailPath(context)
|
||||
circlePath(position, radius)
|
||||
}
|
||||
drawEye(context)
|
||||
}
|
||||
|
||||
fun getGradient(context : Context) : CanvasGradient {
|
||||
val gradientCentre = position + directionToLogo * (radius / 4)
|
||||
val gradient = context.createRadialGradient(gradientCentre.x, gradientCentre.y, 1.0, gradientCentre.x, gradientCentre.y, 2 * radius)
|
||||
for (colorStop in colorStops) {
|
||||
gradient.addColorStop(colorStop._1, colorStop._2)
|
||||
}
|
||||
return gradient
|
||||
}
|
||||
|
||||
fun tailPath(context : Context) {
|
||||
val tailDirection = -directionToLogo
|
||||
val tailPos = position + tailDirection * radius * 1.0
|
||||
val tailSize = radius * 1.6
|
||||
val angle = Math.PI / 6.0
|
||||
val p1 = tailPos + tailDirection.rotatedBy(angle) * tailSize
|
||||
val p2 = tailPos + tailDirection.rotatedBy(-angle) * tailSize
|
||||
val middlePoint = position + tailDirection * radius * 1.0
|
||||
context.moveTo(tailPos.x, tailPos.y)
|
||||
context.lineTo(p1.x, p1.y)
|
||||
context.quadraticCurveTo(middlePoint.x, middlePoint.y, p2.x, p2.y)
|
||||
context.lineTo(tailPos.x, tailPos.y)
|
||||
}
|
||||
|
||||
fun drawEye(context : Context) {
|
||||
val eyePos = directionToLogo * radius * 0.6 + position
|
||||
val eyeRadius = radius / 3
|
||||
val eyeLidRadius = eyeRadius / 2
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillCircle(eyePos, eyeRadius)
|
||||
context.fillStyle = "#000000"
|
||||
context.fillCircle(eyePos, eyeLidRadius)
|
||||
}
|
||||
|
||||
fun drawCreatureWithShadow(context : Context) {
|
||||
context.shadowed(shadowOffset, 0.7) {
|
||||
context.fillStyle = getGradient(context)
|
||||
fillPath {
|
||||
tailPath(context)
|
||||
context.circlePath(position, radius)
|
||||
}
|
||||
}
|
||||
drawEye(context)
|
||||
}
|
||||
}
|
||||
|
||||
class CanvasState(val canvas : Canvas) {
|
||||
var width = canvas.width
|
||||
var height = canvas.height
|
||||
val size : Vector
|
||||
get() = v(width, height)
|
||||
val context = getContext()
|
||||
var valid = false
|
||||
var shapes = ArrayList<Shape>()
|
||||
var selection : Shape? = null
|
||||
var dragOff = Vector()
|
||||
val interval = 1000 / 30
|
||||
|
||||
{
|
||||
jq(canvas).mousedown {
|
||||
valid = false
|
||||
selection = null
|
||||
val mousePos = mousePos(it)
|
||||
for (shape in shapes) {
|
||||
if (mousePos in shape) {
|
||||
dragOff = mousePos - shape.pos
|
||||
shape.selected = true
|
||||
selection = shape
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mousemove {
|
||||
if (selection != null) {
|
||||
selection.sure().pos = mousePos(it) - dragOff
|
||||
valid = false
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mouseup {
|
||||
if (selection != null) {
|
||||
selection.sure().selected = false
|
||||
}
|
||||
selection = null
|
||||
valid = false
|
||||
}
|
||||
|
||||
jq(canvas).dblclick {
|
||||
val newCreature = Creature(mousePos(it), this @CanvasState)
|
||||
addShape(newCreature)
|
||||
valid = false
|
||||
}
|
||||
|
||||
setInterval({
|
||||
draw()
|
||||
}, interval)
|
||||
}
|
||||
|
||||
fun mousePos(e : MouseEvent) : Vector {
|
||||
var offset = Vector()
|
||||
var element : DomElement? = canvas
|
||||
while (element != null) {
|
||||
val el : DomElement = element.sure()
|
||||
offset += Vector(el.offsetLeft, el.offsetTop)
|
||||
element = el.offsetParent
|
||||
}
|
||||
return Vector(e.pageX, e.pageY) - offset
|
||||
}
|
||||
|
||||
fun addShape(shape : Shape) {
|
||||
shapes.add(shape)
|
||||
valid = false
|
||||
}
|
||||
|
||||
fun clear() {
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.strokeStyle = "#000000"
|
||||
context.lineWidth = 4.0
|
||||
context.strokeRect(0.0, 0.0, width, height)
|
||||
}
|
||||
|
||||
fun draw() {
|
||||
if (valid) return
|
||||
|
||||
clear()
|
||||
for (shape in shapes.reversed()) {
|
||||
shape.draw(this)
|
||||
}
|
||||
Kotlin.draw(this)
|
||||
valid = true
|
||||
}
|
||||
}
|
||||
|
||||
class RadialGradientGenerator(val context : Context) {
|
||||
val gradients = ArrayList<Array<#(Double, String)>>()
|
||||
var current = 0
|
||||
|
||||
fun newColorStops(vararg colorStops : #(Double, String)) {
|
||||
gradients.add(colorStops)
|
||||
}
|
||||
|
||||
{
|
||||
newColorStops(#(0.0, "#F59898"), #(0.5, "#F57373"), #(1.0, "#DB6B6B"))
|
||||
newColorStops(#(0.39, "rgb(140,167,209)"), #(0.7, "rgb(104,139,209)"), #(0.85, "rgb(67,122,217)"))
|
||||
newColorStops(#(0.0, "rgb(255,222,255)"), #(0.5, "rgb(255,185,222)"), #(1.0, "rgb(230,154,185)"))
|
||||
newColorStops(#(0.0, "rgb(255,209,114)"), #(0.5, "rgb(255,174,81)"), #(1.0, "rgb(241,145,54)"))
|
||||
newColorStops(#(0.0, "rgb(132,240,135)"), #(0.5, "rgb(91,240,96)"), #(1.0, "rgb(27,245,41)"))
|
||||
newColorStops(#(0.0, "rgb(250,147,250)"), #(0.5, "rgb(255,80,255)"), #(1.0, "rgb(250,0,217)"))
|
||||
}
|
||||
|
||||
fun getNext() : Array<#(Double, String)> {
|
||||
val result = gradients.get(current)
|
||||
current = (current + 1) % gradients.size()
|
||||
return result
|
||||
}
|
||||
}
|
||||
|
||||
fun v(x : Double, y : Double) = Vector(x, y)
|
||||
|
||||
class Vector(val x : Double = 0.0, val y : Double = 0.0) {
|
||||
fun plus(v : Vector) = v(x + v.x, y + v.y)
|
||||
fun minus() = v(-x, -y)
|
||||
fun minus(v : Vector) = v(x - v.x, y - v.y)
|
||||
fun times(koef : Double) = v(x * koef, y * koef)
|
||||
fun distanceTo(v : Vector) = Math.sqrt((this - v).sqr)
|
||||
fun rotatedBy(theta : Double) : Vector {
|
||||
val sin = Math.sin(theta)
|
||||
val cos = Math.cos(theta)
|
||||
return v(x * cos - y * sin, x * sin + y * cos)
|
||||
}
|
||||
|
||||
fun isInRect(topLeft : Vector, size : Vector) = (x >= topLeft.x) && (x <= topLeft.x + size.x) &&
|
||||
(y >= topLeft.y) && (y <= topLeft.y + size.y)
|
||||
|
||||
val sqr : Double
|
||||
get() = x * x + y * y
|
||||
val normalized : Vector
|
||||
get() = this * (1.0 / Math.sqrt(sqr))
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val state = CanvasState(getCanvas())
|
||||
state.addShape(Kotlin)
|
||||
state.addShape(Creature(state.size * 0.25, state))
|
||||
state.addShape(Creature(state.size * 0.75, state))
|
||||
setTimeout({
|
||||
state.valid = false
|
||||
})
|
||||
}
|
||||
|
||||
fun <T> List<T>.reversed() : List<T> {
|
||||
val result = ArrayList<T>()
|
||||
var i = size()
|
||||
while (i > 0) {
|
||||
result.add(get(--i))
|
||||
}
|
||||
return result
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
|
||||
|
||||
<canvas width="600" height="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="creatures.js" type="text/javascript"></script>
|
||||
<img src="kotlinlogo.png" hidden=true/>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,103 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var FancyLines = Kotlin.Class.create({initialize:function () {
|
||||
this.$context = getContext();
|
||||
this.$height = getCanvas().height;
|
||||
this.$width = getCanvas().width;
|
||||
this.$x = this.get_width() * Math.random();
|
||||
this.$y = this.get_height() * Math.random();
|
||||
this.$hue = 0;
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, set_x:function (tmp$0) {
|
||||
this.$x = tmp$0;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, set_y:function (tmp$0) {
|
||||
this.$y = tmp$0;
|
||||
}, get_hue:function () {
|
||||
return this.$hue;
|
||||
}, set_hue:function (tmp$0) {
|
||||
this.$hue = tmp$0;
|
||||
}, line:function () {
|
||||
{
|
||||
this.get_context().save();
|
||||
this.get_context().beginPath();
|
||||
this.get_context().lineWidth = 20 * Math.random();
|
||||
this.get_context().moveTo(this.get_x(), this.get_y());
|
||||
this.set_x(this.get_width() * Math.random());
|
||||
this.set_y(this.get_height() * Math.random());
|
||||
this.get_context().bezierCurveTo(this.get_width() * Math.random(), this.get_height() * Math.random(), this.get_width() * Math.random(), this.get_height() * Math.random(), this.get_x(), this.get_y());
|
||||
this.set_hue(this.get_hue() + Math.random() * 10);
|
||||
this.get_context().strokeStyle = 'hsl(' + this.get_hue() + ', 50%, 50%)';
|
||||
this.get_context().shadowColor = 'white';
|
||||
this.get_context().shadowBlur = 10;
|
||||
this.get_context().stroke();
|
||||
this.get_context().restore();
|
||||
}
|
||||
}, blank:function () {
|
||||
{
|
||||
this.get_context().fillStyle = 'rgba(255,255,1,0.1)';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, run:function () {
|
||||
{
|
||||
var tmp$1;
|
||||
var tmp$0;
|
||||
setInterval((tmp$0 = this , function () {
|
||||
{
|
||||
tmp$0.line();
|
||||
}
|
||||
}
|
||||
), 40);
|
||||
setInterval((tmp$1 = this , function () {
|
||||
{
|
||||
tmp$1.blank();
|
||||
}
|
||||
}
|
||||
), 100);
|
||||
}
|
||||
}
|
||||
});
|
||||
return {FancyLines_0:FancyLines};
|
||||
}
|
||||
();
|
||||
var fancylines = Kotlin.Namespace.create({initialize:function () {
|
||||
}, main:function () {
|
||||
{
|
||||
$(function () {
|
||||
{
|
||||
(new fancylines.FancyLines_0).run();
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
fancylines.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
fancylines.main(args);
|
||||
@@ -0,0 +1,30 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="fancylines.js" type="text/javascript"></script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,64 @@
|
||||
/*
|
||||
This example is based on example from html5 canvas2D docs:
|
||||
http://www.w3.org/TR/2dcontext/
|
||||
Note that only a subset of the api is supported for now.
|
||||
*/
|
||||
|
||||
package fancylines
|
||||
|
||||
import js.*;
|
||||
import html5.*;
|
||||
import jquery.*;
|
||||
|
||||
fun main() {
|
||||
//jq is a name for JQuery function
|
||||
jq {
|
||||
FancyLines().run();
|
||||
}
|
||||
}
|
||||
|
||||
class FancyLines() {
|
||||
// we use two 'magic' functions here getContext() and getCanvas()
|
||||
val context = getContext();
|
||||
val height = getCanvas().height;
|
||||
val width = getCanvas().width;
|
||||
var x = width * Math.random();
|
||||
var y = height * Math.random();
|
||||
var hue = 0;
|
||||
|
||||
fun line() {
|
||||
context.save();
|
||||
|
||||
context.beginPath();
|
||||
|
||||
context.lineWidth = 20.0 * Math.random();
|
||||
context.moveTo(x, y);
|
||||
|
||||
x = width * Math.random();
|
||||
y = height * Math.random();
|
||||
|
||||
context.bezierCurveTo(width * Math.random(), height * Math.random(),
|
||||
width * Math.random(), height * Math.random(), x, y);
|
||||
|
||||
hue += Math.random() * 10;
|
||||
|
||||
context.strokeStyle = "hsl($hue, 50%, 50%)";
|
||||
|
||||
context.shadowColor = "white";
|
||||
context.shadowBlur = 10.0;
|
||||
|
||||
context.stroke();
|
||||
|
||||
context.restore();
|
||||
}
|
||||
|
||||
fun blank() {
|
||||
context.fillStyle = "rgba(255,255,1,0.1)";
|
||||
context.fillRect(0.0, 0.0, width, height);
|
||||
}
|
||||
|
||||
fun run() {
|
||||
setInterval({line()}, 40);
|
||||
setInterval({blank()}, 100);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,162 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var HelloKotlin = Kotlin.Class.create({initialize:function () {
|
||||
this.$relX = 0.2 + 0.2 * Math.random();
|
||||
this.$relY = 0.4 + 0.2 * Math.random();
|
||||
this.$relXVelocity = this.randomVelocity();
|
||||
this.$relYVelocity = this.randomVelocity();
|
||||
this.$message = 'Hello, Kotlin!';
|
||||
this.$textHeightInPixels = 60;
|
||||
{
|
||||
hello.get_context().font = 'bold ' + this.get_textHeightInPixels() + 'px Georgia, serif';
|
||||
}
|
||||
this.$textWidthInPixels = hello.get_context().measureText(this.get_message()).width;
|
||||
}, get_relX:function () {
|
||||
return this.$relX;
|
||||
}, set_relX:function (tmp$0) {
|
||||
this.$relX = tmp$0;
|
||||
}, get_relY:function () {
|
||||
return this.$relY;
|
||||
}, set_relY:function (tmp$0) {
|
||||
this.$relY = tmp$0;
|
||||
}, get_absX:function () {
|
||||
{
|
||||
return this.get_relX() * hello.get_width();
|
||||
}
|
||||
}, get_absY:function () {
|
||||
{
|
||||
return this.get_relY() * hello.get_height();
|
||||
}
|
||||
}, get_relXVelocity:function () {
|
||||
return this.$relXVelocity;
|
||||
}, set_relXVelocity:function (tmp$0) {
|
||||
this.$relXVelocity = tmp$0;
|
||||
}, get_relYVelocity:function () {
|
||||
return this.$relYVelocity;
|
||||
}, set_relYVelocity:function (tmp$0) {
|
||||
this.$relYVelocity = tmp$0;
|
||||
}, get_message:function () {
|
||||
return this.$message;
|
||||
}, get_textHeightInPixels:function () {
|
||||
return this.$textHeightInPixels;
|
||||
}, get_textWidthInPixels:function () {
|
||||
return this.$textWidthInPixels;
|
||||
}, draw:function () {
|
||||
{
|
||||
hello.get_context().save();
|
||||
this.move();
|
||||
hello.get_context().shadowColor = '#000000';
|
||||
hello.get_context().shadowBlur = 5;
|
||||
hello.get_context().shadowOffsetX = -4;
|
||||
hello.get_context().shadowOffsetY = 4;
|
||||
hello.get_context().fillStyle = 'rgb(242,160,110)';
|
||||
hello.get_context().fillText(this.get_message(), this.get_absX(), this.get_absY());
|
||||
hello.get_context().restore();
|
||||
}
|
||||
}, move:function () {
|
||||
{
|
||||
var relTextWidth = this.get_textWidthInPixels() / hello.get_width();
|
||||
if (this.get_relX() > 1 - relTextWidth - this.get_abs(this.get_relXVelocity()) || this.get_relX() < this.get_abs(this.get_relXVelocity())) {
|
||||
this.set_relXVelocity(this.get_relXVelocity() * -1);
|
||||
}
|
||||
var relTextHeight = this.get_textHeightInPixels() / hello.get_height();
|
||||
if (this.get_relY() > 1 - this.get_abs(this.get_relYVelocity()) || this.get_relY() < this.get_abs(this.get_relYVelocity()) + relTextHeight) {
|
||||
this.set_relYVelocity(this.get_relYVelocity() * -1);
|
||||
}
|
||||
this.set_relX(this.get_relX() + this.get_relXVelocity());
|
||||
this.set_relY(this.get_relY() + this.get_relYVelocity());
|
||||
}
|
||||
}, randomVelocity:function () {
|
||||
var tmp$0;
|
||||
if (Math.random() < 0.5)
|
||||
tmp$0 = 1;
|
||||
else
|
||||
tmp$0 = -1;
|
||||
{
|
||||
return 0.03 * Math.random() * tmp$0;
|
||||
}
|
||||
}, get_abs:function (receiver) {
|
||||
var tmp$0;
|
||||
if (receiver > 0)
|
||||
tmp$0 = receiver;
|
||||
else
|
||||
tmp$0 = -receiver;
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}
|
||||
});
|
||||
return {HelloKotlin_0:HelloKotlin};
|
||||
}
|
||||
();
|
||||
var hello = Kotlin.Namespace.create({initialize:function () {
|
||||
hello.$context = getContext();
|
||||
hello.$height = getCanvas().height;
|
||||
hello.$width = getCanvas().width;
|
||||
}, get_context:function () {
|
||||
return hello.$context;
|
||||
}, get_height:function () {
|
||||
return hello.$height;
|
||||
}, get_width:function () {
|
||||
return hello.$width;
|
||||
}, renderBackground:function () {
|
||||
{
|
||||
hello.get_context().save();
|
||||
hello.get_context().fillStyle = '#5C7EED';
|
||||
hello.get_context().fillRect(0, 0, hello.get_width(), hello.get_height());
|
||||
hello.get_context().restore();
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var interval = 50;
|
||||
var logos = Kotlin.arrayFromFun(3, function (it) {
|
||||
{
|
||||
return new hello.HelloKotlin_0;
|
||||
}
|
||||
}
|
||||
);
|
||||
$(function () {
|
||||
{
|
||||
setInterval(function () {
|
||||
{
|
||||
var tmp$0;
|
||||
hello.renderBackground();
|
||||
{
|
||||
tmp$0 = Kotlin.arrayIterator(logos);
|
||||
while (tmp$0.hasNext()) {
|
||||
var logo = tmp$0.next();
|
||||
{
|
||||
logo.draw();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
, interval);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
hello.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
hello.main(args);
|
||||
@@ -0,0 +1,30 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="hello.js" type="text/javascript"></script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,91 @@
|
||||
/*
|
||||
This example is just simple text floating around. If u are using chrome, there is a bug that spoil the visuals.
|
||||
*/
|
||||
package hello
|
||||
|
||||
import js.*
|
||||
import html5.*
|
||||
import jquery.*
|
||||
|
||||
val context = getContext()
|
||||
val height = getCanvas().height
|
||||
val width = getCanvas().width
|
||||
|
||||
// class representing a floating text
|
||||
class HelloKotlin() {
|
||||
var relX = 0.2 + 0.2 * Math.random()
|
||||
var relY = 0.4 + 0.2 * Math.random()
|
||||
|
||||
val absX : Double
|
||||
get() = (relX * width)
|
||||
val absY : Double
|
||||
get() = (relY * height)
|
||||
|
||||
var relXVelocity = randomVelocity()
|
||||
var relYVelocity = randomVelocity()
|
||||
|
||||
|
||||
val message = "Hello, Kotlin!"
|
||||
val textHeightInPixels = 60
|
||||
{
|
||||
context.font = "bold ${textHeightInPixels}px Georgia, serif"
|
||||
}
|
||||
val textWidthInPixels = context.measureText(message).width
|
||||
|
||||
fun draw() {
|
||||
context.save()
|
||||
move()
|
||||
// if you using chrome chances are good you wont see the shadow
|
||||
context.shadowColor = "#000000"
|
||||
context.shadowBlur = 5.0
|
||||
context.shadowOffsetX = -4.0
|
||||
context.shadowOffsetY = 4.0
|
||||
context.fillStyle = "rgb(242,160,110)"
|
||||
context.fillText(message, absX, absY)
|
||||
context.restore()
|
||||
}
|
||||
|
||||
fun move() {
|
||||
val relTextWidth = textWidthInPixels / width
|
||||
if (relX > (1.0 - relTextWidth - relXVelocity.abs) || relX < relXVelocity.abs) {
|
||||
relXVelocity *= -1
|
||||
}
|
||||
val relTextHeight = textHeightInPixels / height
|
||||
if (relY > (1.0 - relYVelocity.abs) || relY < relYVelocity.abs + relTextHeight) {
|
||||
relYVelocity *= -1
|
||||
}
|
||||
relX += relXVelocity
|
||||
relY += relYVelocity
|
||||
}
|
||||
|
||||
fun randomVelocity() = 0.03 * Math.random() * (if (Math.random() < 0.5) 1 else -1)
|
||||
|
||||
|
||||
val Double.abs : Double
|
||||
get() = if (this > 0) this else -this
|
||||
}
|
||||
|
||||
fun renderBackground() {
|
||||
context.save()
|
||||
context.fillStyle = "#5C7EED"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.restore()
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val interval = 50
|
||||
// we pass a literal that constructs a new HelloKotlin object
|
||||
val logos = Array(3) {
|
||||
HelloKotlin()
|
||||
}
|
||||
jq {
|
||||
setInterval({
|
||||
renderBackground()
|
||||
for (logo in logos) {
|
||||
logo.draw()
|
||||
}
|
||||
}, interval)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,339 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var Vector = Kotlin.Class.create({initialize:function (x, y) {
|
||||
this.$x = x;
|
||||
this.$y = y;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, set_x:function (tmp$0) {
|
||||
this.$x = tmp$0;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, set_y:function (tmp$0) {
|
||||
this.$y = tmp$0;
|
||||
}, plus:function (v) {
|
||||
{
|
||||
return interactive.v_0(this.get_x() + v.get_x(), this.get_y() + v.get_y());
|
||||
}
|
||||
}, minus:function (v) {
|
||||
{
|
||||
return interactive.v_0(this.get_x() - v.get_x(), this.get_y() - v.get_y());
|
||||
}
|
||||
}, times:function (coef) {
|
||||
{
|
||||
return interactive.v_0(this.get_x() * coef, this.get_y() * coef);
|
||||
}
|
||||
}, distanceTo:function (v) {
|
||||
{
|
||||
return Math.sqrt(this.minus(v).get_sqr());
|
||||
}
|
||||
}, isInRect:function (topLeft, size) {
|
||||
{
|
||||
return this.get_x() >= topLeft.get_x() && this.get_x() <= topLeft.get_x() + size.get_x() && this.get_y() >= topLeft.get_y() && this.get_y() <= topLeft.get_y() + size.get_y();
|
||||
}
|
||||
}, get_sqr:function () {
|
||||
{
|
||||
return this.get_x() * this.get_x() + this.get_y() * this.get_y();
|
||||
}
|
||||
}
|
||||
});
|
||||
var CanvasState = Kotlin.Class.create({initialize:function (canvas) {
|
||||
this.$canvas = canvas;
|
||||
this.$width = this.get_canvas().width;
|
||||
this.$height = this.get_canvas().height;
|
||||
this.$context = getContext();
|
||||
this.$valid = false;
|
||||
this.$shapes = new Kotlin.ArrayList;
|
||||
this.$selection = null;
|
||||
this.$dragOff = new interactive.Vector_0(0, 0);
|
||||
this.$interval = 1000 / 30;
|
||||
this.$size = 20;
|
||||
{
|
||||
var tmp$4;
|
||||
var tmp$3;
|
||||
var tmp$2;
|
||||
var tmp$1;
|
||||
var tmp$0_0;
|
||||
$(this.get_canvas()).mousedown((tmp$0_0 = this , function (it) {
|
||||
{
|
||||
var tmp$0;
|
||||
tmp$0_0.set_valid(false);
|
||||
tmp$0_0.set_selection(null);
|
||||
var mousePos = tmp$0_0.mousePos_0(it);
|
||||
{
|
||||
tmp$0 = tmp$0_0.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
if (shape.contains(mousePos)) {
|
||||
tmp$0_0.set_dragOff(mousePos.minus(shape.get_pos()));
|
||||
shape.set_selected(true);
|
||||
tmp$0_0.set_selection(shape);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mousemove((tmp$1 = this , function (it) {
|
||||
{
|
||||
if (tmp$1.get_selection() != null) {
|
||||
Kotlin.sure(tmp$1.get_selection()).set_pos(tmp$1.mousePos_0(it).minus(tmp$1.get_dragOff()));
|
||||
tmp$1.set_valid(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mouseup((tmp$2 = this , function (it) {
|
||||
{
|
||||
if (tmp$2.get_selection() != null) {
|
||||
Kotlin.sure(tmp$2.get_selection()).set_selected(false);
|
||||
}
|
||||
tmp$2.set_selection(null);
|
||||
tmp$2.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).dblclick((tmp$3 = this , function (it) {
|
||||
{
|
||||
var redTransparentCircle = new interactive.Circle_0(tmp$3.mousePos_0(it), tmp$3.get_size(), 'rgba(200, 100, 100, 0.3)');
|
||||
tmp$3.addShape(redTransparentCircle);
|
||||
tmp$3.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
interactive.doWithPeriod(this.get_interval(), (tmp$4 = this , function () {
|
||||
{
|
||||
tmp$4.draw();
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}, get_canvas:function () {
|
||||
return this.$canvas;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_valid:function () {
|
||||
return this.$valid;
|
||||
}, set_valid:function (tmp$0) {
|
||||
this.$valid = tmp$0;
|
||||
}, get_shapes:function () {
|
||||
return this.$shapes;
|
||||
}, set_shapes:function (tmp$0) {
|
||||
this.$shapes = tmp$0;
|
||||
}, get_selection:function () {
|
||||
return this.$selection;
|
||||
}, set_selection:function (tmp$0) {
|
||||
this.$selection = tmp$0;
|
||||
}, get_dragOff:function () {
|
||||
return this.$dragOff;
|
||||
}, set_dragOff:function (tmp$0) {
|
||||
this.$dragOff = tmp$0;
|
||||
}, get_interval:function () {
|
||||
return this.$interval;
|
||||
}, get_size:function () {
|
||||
return this.$size;
|
||||
}, mousePos_0:function (e) {
|
||||
{
|
||||
var offset = new interactive.Vector_0(0, 0);
|
||||
var element = this.get_canvas();
|
||||
while (element != null) {
|
||||
var el = Kotlin.sure(element);
|
||||
offset = offset.plus(new interactive.Vector_0(el.offsetLeft, el.offsetTop));
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return (new interactive.Vector_0(e.pageX, e.pageY)).minus(offset);
|
||||
}
|
||||
}, addShape:function (shape) {
|
||||
{
|
||||
this.get_shapes().add(shape);
|
||||
this.set_valid(false);
|
||||
}
|
||||
}, clear:function () {
|
||||
{
|
||||
this.get_context().fillStyle = '#FFFFFF';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
this.get_context().strokeStyle = '#000000';
|
||||
this.get_context().lineWidth = 4;
|
||||
this.get_context().strokeRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, draw:function () {
|
||||
{
|
||||
var tmp$0;
|
||||
if (this.get_valid())
|
||||
return;
|
||||
this.clear();
|
||||
{
|
||||
tmp$0 = this.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
shape.draw(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
this.set_valid(true);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Shape = Kotlin.Class.create({initialize:function () {
|
||||
this.$selected = false;
|
||||
}, draw:function (state) {
|
||||
}, contains:function (mousePos) {
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_selected:function () {
|
||||
return this.$selected;
|
||||
}, set_selected:function (tmp$0) {
|
||||
this.$selected = tmp$0;
|
||||
}
|
||||
});
|
||||
var JB = Kotlin.Class.create(Shape, {initialize:function (pos, relSize) {
|
||||
this.$pos = pos;
|
||||
this.$relSize = relSize;
|
||||
this.super_init();
|
||||
this.$imageSize = interactive.v_0(704, 254);
|
||||
this.$canvasSize = this.get_imageSize().times(this.get_relSize());
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, set_relSize:function (tmp$0) {
|
||||
this.$relSize = tmp$0;
|
||||
}, get_imageSize:function () {
|
||||
return this.$imageSize;
|
||||
}, get_canvasSize:function () {
|
||||
return this.$canvasSize;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.drawImage(getKotlinLogo(), 0, 0, this.get_imageSize().get_x(), this.get_imageSize().get_y(), this.get_pos().get_x(), this.get_pos().get_y(), this.get_canvasSize().get_x(), this.get_canvasSize().get_y());
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_canvasSize());
|
||||
}
|
||||
}
|
||||
});
|
||||
var Rectangle = Kotlin.Class.create(Shape, {initialize:function (pos, size) {
|
||||
this.$pos = pos;
|
||||
this.$size = size;
|
||||
this.super_init();
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_size:function () {
|
||||
return this.$size;
|
||||
}, set_size:function (tmp$0) {
|
||||
this.$size = tmp$0;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.fillStyle = 'rgba(0,255,0,.6)';
|
||||
context.fillRect(this.get_pos().get_x(), this.get_pos().get_y(), this.get_size().get_x(), this.get_size().get_y());
|
||||
if (this.get_selected()) {
|
||||
context.strokeStyle = '#FF0000';
|
||||
context.lineWidth = 2;
|
||||
context.strokeRect(this.get_pos().get_x(), this.get_pos().get_y(), this.get_size().get_x(), this.get_size().get_y());
|
||||
}
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_size());
|
||||
}
|
||||
}
|
||||
});
|
||||
var Circle = Kotlin.Class.create(Shape, {initialize:function (pos, radius, fillColor) {
|
||||
this.$pos = pos;
|
||||
this.$radius = radius;
|
||||
this.$fillColor = fillColor;
|
||||
this.super_init();
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_radius:function () {
|
||||
return this.$radius;
|
||||
}, set_radius:function (tmp$0) {
|
||||
this.$radius = tmp$0;
|
||||
}, get_fillColor:function () {
|
||||
return this.$fillColor;
|
||||
}, set_fillColor:function (tmp$0) {
|
||||
this.$fillColor = tmp$0;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.shadowColor = 'white';
|
||||
context.shadowBlur = 10;
|
||||
context.fillStyle = this.get_fillColor();
|
||||
context.beginPath();
|
||||
context.arc(this.get_pos().get_x(), this.get_pos().get_y(), this.get_radius(), 0, 2 * Math.PI, false);
|
||||
context.closePath();
|
||||
context.fill();
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return this.get_pos().distanceTo(mousePos) < this.get_radius();
|
||||
}
|
||||
}
|
||||
});
|
||||
return {Shape_0:Shape, JB_0:JB, Rectangle_0:Rectangle, Circle_0:Circle, CanvasState_0:CanvasState, Vector_0:Vector};
|
||||
}
|
||||
();
|
||||
var interactive = Kotlin.Namespace.create({initialize:function () {
|
||||
interactive.$state = new interactive.CanvasState_0(getCanvas());
|
||||
}, get_state:function () {
|
||||
return interactive.$state;
|
||||
}, doWithPeriod:function (period, f) {
|
||||
{
|
||||
setInterval(f, period);
|
||||
}
|
||||
}, v_0:function (x, y) {
|
||||
{
|
||||
return new interactive.Vector_0(x, y);
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var state = new interactive.CanvasState_0(getCanvas());
|
||||
state.addShape(new interactive.JB_0(interactive.v_0(1, 1), 0.3));
|
||||
setTimeout(function () {
|
||||
{
|
||||
state.set_valid(false);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
interactive.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
interactive.main(args);
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 9.1 KiB |
@@ -0,0 +1,183 @@
|
||||
package interactive;
|
||||
|
||||
import jquery.*;
|
||||
import html5.*;
|
||||
import java.util.ArrayList;
|
||||
import js.*;
|
||||
import js.Math;
|
||||
import js.setInterval
|
||||
import html5.getCanvas
|
||||
import html5.getKotlinLogo
|
||||
import jquery.jq
|
||||
import js.setTimeout
|
||||
|
||||
val state = CanvasState(getCanvas());
|
||||
|
||||
fun doWithPeriod(period : Int, f : ()->Unit) {
|
||||
setInterval(f, period);
|
||||
}
|
||||
|
||||
abstract class Shape() {
|
||||
abstract fun draw(state : CanvasState);
|
||||
abstract fun contains(mousePos : Vector) : Boolean;
|
||||
abstract var pos : Vector;
|
||||
var selected : Boolean = false;
|
||||
}
|
||||
|
||||
class Circle(override var pos : Vector,
|
||||
var radius : Double = 1.0,
|
||||
var fillColor : String = "#AAAAAA") : Shape() {
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.shadowColor = "white";
|
||||
context.shadowBlur = 10.0;
|
||||
context.fillStyle = fillColor;
|
||||
context.beginPath();
|
||||
context.arc(pos.x, pos.y, radius, 0.0, 2 * Math.PI, false);
|
||||
context.closePath();
|
||||
context.fill();
|
||||
}
|
||||
|
||||
override fun contains(mousePos : Vector) = pos.distanceTo(mousePos) < radius;
|
||||
}
|
||||
|
||||
class Rectangle(override var pos : Vector,
|
||||
var size : Vector) : Shape()
|
||||
{
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.fillStyle = "rgba(0,255,0,.6)";
|
||||
context.fillRect(pos.x, pos.y, size.x, size.y);
|
||||
if (selected) {
|
||||
context.strokeStyle = "#FF0000"
|
||||
context.lineWidth = 2.0;
|
||||
context.strokeRect(pos.x, pos.y, size.x, size.y)
|
||||
}
|
||||
}
|
||||
|
||||
override fun contains(mousePos : Vector) = mousePos.isInRect(pos, size);
|
||||
}
|
||||
|
||||
class JB(override var pos : Vector,
|
||||
var relSize : Double = 0.3) : Shape()
|
||||
{
|
||||
|
||||
val imageSize = v(704.0, 254.0)
|
||||
val canvasSize = imageSize * relSize
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.drawImage(getKotlinLogo(), 0.0, 0.0, imageSize.x, imageSize.y, pos.x, pos.y, canvasSize.x, canvasSize.y)
|
||||
}
|
||||
|
||||
override fun contains(mousePos: Vector): Boolean = mousePos.isInRect(pos, canvasSize)
|
||||
}
|
||||
|
||||
class CanvasState(val canvas : Canvas) {
|
||||
val width = canvas.width;
|
||||
val height = canvas.height;
|
||||
val context = getContext();
|
||||
var valid = false;
|
||||
var shapes = ArrayList<Shape>();
|
||||
var selection : Shape? = null;
|
||||
var dragOff = Vector();
|
||||
val interval = 1000 / 30;
|
||||
val size = 20.0;
|
||||
|
||||
{
|
||||
jq(canvas).mousedown {
|
||||
valid = false;
|
||||
selection = null;
|
||||
val mousePos = mousePos(it);
|
||||
for (shape in shapes) {
|
||||
if (mousePos in shape) {
|
||||
dragOff = mousePos - shape.pos;
|
||||
shape.selected = true;
|
||||
selection = shape;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mousemove {
|
||||
if (selection != null) {
|
||||
selection.sure().pos = mousePos(it) - dragOff;
|
||||
valid = false;
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mouseup {
|
||||
if (selection != null) {
|
||||
selection.sure().selected = false;
|
||||
}
|
||||
selection = null;
|
||||
valid = false;
|
||||
}
|
||||
|
||||
jq(canvas).dblclick {
|
||||
val redTransparentCircle = Circle(mousePos(it), size, "rgba(200, 100, 100, 0.3)");
|
||||
addShape(redTransparentCircle);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
doWithPeriod(interval) {
|
||||
draw();
|
||||
}
|
||||
}
|
||||
|
||||
fun mousePos(e : MouseEvent) : Vector {
|
||||
var offset = Vector();
|
||||
var element : DomElement? = canvas;
|
||||
while (element != null) {
|
||||
val el : DomElement = element.sure();
|
||||
offset += Vector(el.offsetLeft, el.offsetTop);
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return Vector(e.pageX, e.pageY) - offset;
|
||||
}
|
||||
|
||||
fun addShape(shape : Shape) {
|
||||
shapes.add(shape);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
fun clear() {
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.strokeStyle = "#000000"
|
||||
context.lineWidth = 4.0;
|
||||
context.strokeRect(0.0, 0.0, width, height)
|
||||
}
|
||||
|
||||
fun draw() {
|
||||
if (valid) return
|
||||
|
||||
clear();
|
||||
for (shape in shapes) {
|
||||
shape.draw(this);
|
||||
}
|
||||
valid = true;
|
||||
}
|
||||
}
|
||||
|
||||
fun v(x : Double, y : Double) = Vector(x, y);
|
||||
|
||||
class Vector(var x : Double = 0.0, var y : Double = 0.0) {
|
||||
fun plus(v : Vector) = v(x + v.x, y + v.y);
|
||||
fun minus(v : Vector) = v(x - v.x, y - v.y);
|
||||
fun times(coef : Double) = v(x * coef, y * coef);
|
||||
fun distanceTo(v : Vector) = Math.sqrt((this - v).sqr);
|
||||
fun isInRect(topLeft : Vector, size : Vector) = (x >= topLeft.x) && (x <= topLeft.x + size.x) &&
|
||||
(y >= topLeft.y) && (y <= topLeft.y + size.y)
|
||||
val sqr : Double
|
||||
get() = x * x + y * y;
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val state = CanvasState(getCanvas());
|
||||
state.addShape(JB(v(1.0, 1.0)));
|
||||
setTimeout({
|
||||
state.valid = false
|
||||
})
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="interactive.js" type="text/javascript"></script>
|
||||
<img src="jbLogo.png" hidden=true/>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,30 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="tutorial.js" type="text/javascript"></script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,238 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
// By Simon Sarris
|
||||
// www.simonsarris.com
|
||||
// sarris@acm.org
|
||||
//
|
||||
// Last update December 2011
|
||||
//
|
||||
// Free to use and distribute at will
|
||||
// So long as you are nice to people, etc
|
||||
|
||||
// Constructor for Shape objects to hold data for all drawn objects.
|
||||
// For now they will just be defined as rectangles.
|
||||
function Shape(x, y, w, h, fill) {
|
||||
// This is a very simple and unsafe constructor. All we're doing is checking if the values exist.
|
||||
// "x || 0" just means "if there is a value for x, use that. Otherwise use 0."
|
||||
// But we aren't checking anything else! We could put "Lalala" for the value of x
|
||||
this.x = x || 0;
|
||||
this.y = y || 0;
|
||||
this.w = w || 1;
|
||||
this.h = h || 1;
|
||||
this.fill = fill || '#AAAAAA';
|
||||
}
|
||||
|
||||
// Draws this shape to a given context
|
||||
Shape.prototype.draw = function (ctx) {
|
||||
ctx.fillStyle = this.fill;
|
||||
ctx.fillRect(this.x, this.y, this.w, this.h);
|
||||
}
|
||||
|
||||
// Determine if a point is inside the shape's bounds
|
||||
Shape.prototype.contains = function (mx, my) {
|
||||
// All we have to do is make sure the Mouse X,Y fall in the area between
|
||||
// the shape's X and (X + Height) and its Y and (Y + Height)
|
||||
return (this.x <= mx) && (this.x + this.w >= mx) &&
|
||||
(this.y <= my) && (this.y + this.h >= my);
|
||||
}
|
||||
|
||||
function CanvasState(canvas) {
|
||||
// **** First some setup! ****
|
||||
|
||||
this.canvas = canvas;
|
||||
this.width = canvas.width;
|
||||
this.height = canvas.height;
|
||||
this.ctx = canvas.getContext('2d');
|
||||
// This complicates things a little but but fixes mouse co-ordinate problems
|
||||
// when there's a border or padding. See getMouse for more detail
|
||||
// if (document.defaultView && document.defaultView.getComputedStyle) {
|
||||
// this.stylePaddingLeft = parseInt(document.defaultView.getComputedStyle(canvas, null)['paddingLeft'], 10) || 0;
|
||||
// this.stylePaddingTop = parseInt(document.defaultView.getComputedStyle(canvas, null)['paddingTop'], 10) || 0;
|
||||
// this.styleBorderLeft = parseInt(document.defaultView.getComputedStyle(canvas, null)['borderLeftWidth'], 10) || 0;
|
||||
// this.styleBorderTop = parseInt(document.defaultView.getComputedStyle(canvas, null)['borderTopWidth'], 10) || 0;
|
||||
// }
|
||||
// Some pages have fixed-position bars (like the stumbleupon bar) at the top or left of the page
|
||||
// They will mess up mouse coordinates and this fixes that
|
||||
var html = document.body.parentNode;
|
||||
this.htmlTop = html.offsetTop;
|
||||
this.htmlLeft = html.offsetLeft;
|
||||
|
||||
// **** Keep track of state! ****
|
||||
|
||||
this.valid = false; // when set to false, the canvas will redraw everything
|
||||
this.shapes = []; // the collection of things to be drawn
|
||||
this.dragging = false; // Keep track of when we are dragging
|
||||
// the current selected object. In the future we could turn this into an array for multiple selection
|
||||
this.selection = null;
|
||||
this.dragoffx = 0; // See mousedown and mousemove events for explanation
|
||||
this.dragoffy = 0;
|
||||
|
||||
// **** Then events! ****
|
||||
|
||||
// This is an example of a closure!
|
||||
// Right here "this" means the CanvasState. But we are making events on the Canvas itself,
|
||||
// and when the events are fired on the canvas the variable "this" is going to mean the canvas!
|
||||
// Since we still want to use this particular CanvasState in the events we have to save a reference to it.
|
||||
// This is our reference!
|
||||
var myState = this;
|
||||
|
||||
//fixes a problem where double clicking causes text to get selected on the canvas
|
||||
canvas.addEventListener('selectstart', function (e) {
|
||||
e.preventDefault();
|
||||
return false;
|
||||
}, false);
|
||||
// Up, down, and move are for dragging
|
||||
canvas.addEventListener('mousedown', function (e) {
|
||||
var mouse = myState.getMouse(e);
|
||||
var mx = mouse.x;
|
||||
var my = mouse.y;
|
||||
var shapes = myState.shapes;
|
||||
var l = shapes.length;
|
||||
for (var i = l - 1; i >= 0; i--) {
|
||||
if (shapes[i].contains(mx, my)) {
|
||||
var mySel = shapes[i];
|
||||
// Keep track of where in the object we clicked
|
||||
// so we can move it smoothly (see mousemove)
|
||||
myState.dragoffx = mx - mySel.x;
|
||||
myState.dragoffy = my - mySel.y;
|
||||
myState.dragging = true;
|
||||
myState.selection = mySel;
|
||||
myState.valid = false;
|
||||
return;
|
||||
}
|
||||
}
|
||||
// havent returned means we have failed to select anything.
|
||||
// If there was an object selected, we deselect it
|
||||
if (myState.selection) {
|
||||
myState.selection = null;
|
||||
myState.valid = false; // Need to clear the old selection border
|
||||
}
|
||||
}, true);
|
||||
canvas.addEventListener('mousemove', function (e) {
|
||||
if (myState.dragging) {
|
||||
var mouse = myState.getMouse(e);
|
||||
// We don't want to drag the object by its top-left corner, we want to drag it
|
||||
// from where we clicked. Thats why we saved the offset and use it here
|
||||
myState.selection.x = mouse.x - myState.dragoffx;
|
||||
myState.selection.y = mouse.y - myState.dragoffy;
|
||||
myState.valid = false; // Something's dragging so we must redraw
|
||||
}
|
||||
}, true);
|
||||
canvas.addEventListener('mouseup', function (e) {
|
||||
myState.dragging = false;
|
||||
}, true);
|
||||
// double click for making new shapes
|
||||
canvas.addEventListener('dblclick', function (e) {
|
||||
var mouse = myState.getMouse(e);
|
||||
myState.addShape(new Shape(mouse.x - 10, mouse.y - 10, 20, 20, 'rgba(0,255,0,.6)'));
|
||||
}, true);
|
||||
|
||||
// **** Options! ****
|
||||
|
||||
this.selectionColor = '#CC0000';
|
||||
this.selectionWidth = 2;
|
||||
this.interval = 30;
|
||||
setInterval(function () {
|
||||
myState.draw();
|
||||
}, myState.interval);
|
||||
}
|
||||
|
||||
CanvasState.prototype.addShape = function (shape) {
|
||||
this.shapes.push(shape);
|
||||
this.valid = false;
|
||||
}
|
||||
|
||||
CanvasState.prototype.clear = function () {
|
||||
this.ctx.clearRect(0, 0, this.width, this.height);
|
||||
}
|
||||
|
||||
// While draw is called as often as the INTERVAL variable demands,
|
||||
// It only ever does something if the canvas gets invalidated by our code
|
||||
CanvasState.prototype.draw = function () {
|
||||
// if our state is invalid, redraw and validate!
|
||||
if (!this.valid) {
|
||||
var ctx = this.ctx;
|
||||
var shapes = this.shapes;
|
||||
this.clear();
|
||||
|
||||
// ** Add stuff you want drawn in the background all the time here **
|
||||
|
||||
// draw all shapes
|
||||
var l = shapes.length;
|
||||
for (var i = 0; i < l; i++) {
|
||||
var shape = shapes[i];
|
||||
// We can skip the drawing of elements that have moved off the screen:
|
||||
if (shape.x > this.width || shape.y > this.height ||
|
||||
shape.x + shape.w < 0 || shape.y + shape.h < 0) continue;
|
||||
shapes[i].draw(ctx);
|
||||
}
|
||||
|
||||
// draw selection
|
||||
// right now this is just a stroke along the edge of the selected Shape
|
||||
if (this.selection != null) {
|
||||
ctx.strokeStyle = this.selectionColor;
|
||||
ctx.lineWidth = this.selectionWidth;
|
||||
var mySel = this.selection;
|
||||
ctx.strokeRect(mySel.x, mySel.y, mySel.w, mySel.h);
|
||||
}
|
||||
|
||||
// ** Add stuff you want drawn on top all the time here **
|
||||
|
||||
this.valid = true;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Creates an object with x and y defined, set to the mouse position relative to the state's canvas
|
||||
// If you wanna be super-correct this can be tricky, we have to worry about padding and borders
|
||||
CanvasState.prototype.getMouse = function (e) {
|
||||
var element = this.canvas, offsetX = 0, offsetY = 0, mx, my;
|
||||
|
||||
// Compute the total offset
|
||||
if (element.offsetParent !== undefined) {
|
||||
do {
|
||||
offsetX += element.offsetLeft;
|
||||
offsetY += element.offsetTop;
|
||||
} while ((element = element.offsetParent));
|
||||
}
|
||||
|
||||
// Add padding and border style widths to offset
|
||||
// Also add the <html> offsets in case there's a position:fixed bar
|
||||
// offsetX += this.stylePaddingLeft + this.styleBorderLeft + this.htmlLeft;
|
||||
// offsetY += this.stylePaddingTop + this.styleBorderTop + this.htmlTop;
|
||||
|
||||
mx = e.pageX - offsetX;
|
||||
my = e.pageY - offsetY;
|
||||
|
||||
// We return a simple javascript object (a hash) with x and y defined
|
||||
return {x:mx, y:my};
|
||||
}
|
||||
|
||||
// If you dont want to use <body onLoad='init()'>
|
||||
// You could uncomment this init() reference and place the script reference inside the body tag
|
||||
init();
|
||||
|
||||
function init() {
|
||||
var s = new CanvasState(getCanvas());
|
||||
s.addShape(new Shape(40, 40, 50, 50)); // The default is gray
|
||||
s.addShape(new Shape(60, 140, 40, 60, 'lightskyblue'));
|
||||
// Lets make some partially transparent
|
||||
s.addShape(new Shape(80, 150, 60, 30, 'rgba(127, 255, 212, .5)'));
|
||||
s.addShape(new Shape(125, 80, 30, 80, 'rgba(245, 222, 179, .7)'));
|
||||
}
|
||||
|
||||
// Now go make something amazing!
|
||||
@@ -0,0 +1,475 @@
|
||||
/*
|
||||
* Copyright 2000-2012 JetBrains s.r.o.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
{
|
||||
var classes = function () {
|
||||
var Vector = Kotlin.Class.create({initialize:function (x, y) {
|
||||
this.$x = x;
|
||||
this.$y = y;
|
||||
}, get_x:function () {
|
||||
return this.$x;
|
||||
}, get_y:function () {
|
||||
return this.$y;
|
||||
}, plus:function (v) {
|
||||
{
|
||||
return interactive2.v_0(this.get_x() + v.get_x(), this.get_y() + v.get_y());
|
||||
}
|
||||
}, minus:function () {
|
||||
{
|
||||
return interactive2.v_0(-this.get_x(), -this.get_y());
|
||||
}
|
||||
}, minus$0:function (v) {
|
||||
{
|
||||
return interactive2.v_0(this.get_x() - v.get_x(), this.get_y() - v.get_y());
|
||||
}
|
||||
}, times:function (coef) {
|
||||
{
|
||||
return interactive2.v_0(this.get_x() * coef, this.get_y() * coef);
|
||||
}
|
||||
}, distanceTo:function (v) {
|
||||
{
|
||||
return Math.sqrt(this.minus$0(v).get_sqr());
|
||||
}
|
||||
}, rotatedBy:function (theta) {
|
||||
{
|
||||
var sin = Math.sin(theta);
|
||||
var cos = Math.cos(theta);
|
||||
return interactive2.v_0(this.get_x() * cos - this.get_y() * sin, this.get_x() * sin + this.get_y() * cos);
|
||||
}
|
||||
}, isInRect:function (topLeft, size) {
|
||||
{
|
||||
return this.get_x() >= topLeft.get_x() && this.get_x() <= topLeft.get_x() + size.get_x() && this.get_y() >= topLeft.get_y() && this.get_y() <= topLeft.get_y() + size.get_y();
|
||||
}
|
||||
}, get_sqr:function () {
|
||||
{
|
||||
return this.get_x() * this.get_x() + this.get_y() * this.get_y();
|
||||
}
|
||||
}, get_normalized:function () {
|
||||
{
|
||||
return this.times(1 / Math.sqrt(this.get_sqr()));
|
||||
}
|
||||
}
|
||||
});
|
||||
var RadialGradientGenerator = Kotlin.Class.create({initialize:function (context) {
|
||||
this.$context = context;
|
||||
this.$gradients = new Kotlin.ArrayList;
|
||||
this.$current = 0;
|
||||
{
|
||||
this.newColorStops([
|
||||
[0, '#F59898'],
|
||||
[0.5, '#F57373'],
|
||||
[1, '#DB6B6B']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0.39, 'rgb(140,167,209)'],
|
||||
[0.7, 'rgb(104,139,209)'],
|
||||
[0.85, 'rgb(67,122,217)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,222,255)'],
|
||||
[0.5, 'rgb(255,185,222)'],
|
||||
[1, 'rgb(230,154,185)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(255,209,114)'],
|
||||
[0.5, 'rgb(255,174,81)'],
|
||||
[1, 'rgb(241,145,54)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(132,240,135)'],
|
||||
[0.5, 'rgb(91,240,96)'],
|
||||
[1, 'rgb(27,245,41)']
|
||||
]);
|
||||
this.newColorStops([
|
||||
[0, 'rgb(250,147,250)'],
|
||||
[0.5, 'rgb(255,80,255)'],
|
||||
[1, 'rgb(250,0,217)']
|
||||
]);
|
||||
}
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_gradients:function () {
|
||||
return this.$gradients;
|
||||
}, get_current:function () {
|
||||
return this.$current;
|
||||
}, set_current:function (tmp$0) {
|
||||
this.$current = tmp$0;
|
||||
}, newColorStops:function (colorStops) {
|
||||
{
|
||||
this.get_gradients().add(colorStops);
|
||||
}
|
||||
}, getNext:function () {
|
||||
{
|
||||
var result = this.get_gradients().get(this.get_current());
|
||||
this.set_current((this.get_current() + 1) % this.get_gradients().size());
|
||||
return result;
|
||||
}
|
||||
}
|
||||
});
|
||||
var CanvasState = Kotlin.Class.create({initialize:function (canvas) {
|
||||
this.$canvas = canvas;
|
||||
this.$width = this.get_canvas().width;
|
||||
this.$height = this.get_canvas().height;
|
||||
this.$context = getContext();
|
||||
this.$valid = false;
|
||||
this.$shapes = new Kotlin.ArrayList;
|
||||
this.$selection = null;
|
||||
this.$dragOff = new interactive2.Vector_0(0, 0);
|
||||
this.$interval = 1000 / 30;
|
||||
{
|
||||
var tmp$4;
|
||||
var tmp$3;
|
||||
var tmp$2;
|
||||
var tmp$1;
|
||||
var tmp$0_0;
|
||||
$(this.get_canvas()).mousedown((tmp$0_0 = this , function (it) {
|
||||
{
|
||||
var tmp$0;
|
||||
tmp$0_0.set_valid(false);
|
||||
tmp$0_0.set_selection(null);
|
||||
var mousePos = tmp$0_0.mousePos_0(it);
|
||||
{
|
||||
tmp$0 = tmp$0_0.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
if (shape.contains(mousePos)) {
|
||||
tmp$0_0.set_dragOff(mousePos.minus$0(shape.get_pos()));
|
||||
shape.set_selected(true);
|
||||
tmp$0_0.set_selection(shape);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mousemove((tmp$1 = this , function (it) {
|
||||
{
|
||||
if (tmp$1.get_selection() != null) {
|
||||
Kotlin.sure(tmp$1.get_selection()).set_pos(tmp$1.mousePos_0(it).minus$0(tmp$1.get_dragOff()));
|
||||
tmp$1.set_valid(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).mouseup((tmp$2 = this , function (it) {
|
||||
{
|
||||
if (tmp$2.get_selection() != null) {
|
||||
Kotlin.sure(tmp$2.get_selection()).set_selected(false);
|
||||
}
|
||||
tmp$2.set_selection(null);
|
||||
tmp$2.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
$(this.get_canvas()).dblclick((tmp$3 = this , function (it) {
|
||||
{
|
||||
var redTransparentCircle = new interactive2.Creature_0(tmp$3.mousePos_0(it), tmp$3);
|
||||
tmp$3.addShape(redTransparentCircle);
|
||||
tmp$3.set_valid(false);
|
||||
}
|
||||
}
|
||||
));
|
||||
interactive2.doWithPeriod(this.get_interval(), (tmp$4 = this , function () {
|
||||
{
|
||||
tmp$4.draw();
|
||||
}
|
||||
}
|
||||
));
|
||||
}
|
||||
}, get_canvas:function () {
|
||||
return this.$canvas;
|
||||
}, get_width:function () {
|
||||
return this.$width;
|
||||
}, get_height:function () {
|
||||
return this.$height;
|
||||
}, get_context:function () {
|
||||
return this.$context;
|
||||
}, get_valid:function () {
|
||||
return this.$valid;
|
||||
}, set_valid:function (tmp$0) {
|
||||
this.$valid = tmp$0;
|
||||
}, get_shapes:function () {
|
||||
return this.$shapes;
|
||||
}, set_shapes:function (tmp$0) {
|
||||
this.$shapes = tmp$0;
|
||||
}, get_selection:function () {
|
||||
return this.$selection;
|
||||
}, set_selection:function (tmp$0) {
|
||||
this.$selection = tmp$0;
|
||||
}, get_dragOff:function () {
|
||||
return this.$dragOff;
|
||||
}, set_dragOff:function (tmp$0) {
|
||||
this.$dragOff = tmp$0;
|
||||
}, get_interval:function () {
|
||||
return this.$interval;
|
||||
}, mousePos_0:function (e) {
|
||||
{
|
||||
var offset = new interactive2.Vector_0(0, 0);
|
||||
var element = this.get_canvas();
|
||||
while (element != null) {
|
||||
var el = Kotlin.sure(element);
|
||||
offset = offset.plus(new interactive2.Vector_0(el.offsetLeft, el.offsetTop));
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return (new interactive2.Vector_0(e.pageX, e.pageY)).minus$0(offset);
|
||||
}
|
||||
}, addShape:function (shape) {
|
||||
{
|
||||
this.get_shapes().add(shape);
|
||||
this.set_valid(false);
|
||||
}
|
||||
}, clear:function () {
|
||||
{
|
||||
this.get_context().fillStyle = '#FFFFFF';
|
||||
this.get_context().fillRect(0, 0, this.get_width(), this.get_height());
|
||||
this.get_context().strokeStyle = '#000000';
|
||||
this.get_context().lineWidth = 4;
|
||||
this.get_context().strokeRect(0, 0, this.get_width(), this.get_height());
|
||||
}
|
||||
}, draw:function () {
|
||||
{
|
||||
var tmp$0;
|
||||
if (this.get_valid())
|
||||
return;
|
||||
this.clear();
|
||||
{
|
||||
tmp$0 = this.get_shapes().iterator();
|
||||
while (tmp$0.hasNext()) {
|
||||
var shape = tmp$0.next();
|
||||
{
|
||||
shape.draw(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
this.set_valid(true);
|
||||
}
|
||||
}
|
||||
});
|
||||
var Shape = Kotlin.Class.create({initialize:function () {
|
||||
this.$selected = false;
|
||||
}, draw:function (state) {
|
||||
}, contains:function (mousePos) {
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_selected:function () {
|
||||
return this.$selected;
|
||||
}, set_selected:function (tmp$0) {
|
||||
this.$selected = tmp$0;
|
||||
}
|
||||
});
|
||||
var Creature = Kotlin.Class.create(Shape, {initialize:function (pos, state) {
|
||||
this.$pos = pos;
|
||||
this.$state = state;
|
||||
this.super_init();
|
||||
this.$shadowOffset = interactive2.v_0(-5, 5);
|
||||
this.$colorStops = interactive2.get_gradientGenerator().getNext();
|
||||
this.$relSize = 0.05;
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_state:function () {
|
||||
return this.$state;
|
||||
}, set_state:function (tmp$0) {
|
||||
this.$state = tmp$0;
|
||||
}, get_shadowOffset:function () {
|
||||
return this.$shadowOffset;
|
||||
}, get_colorStops:function () {
|
||||
return this.$colorStops;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, get_radius:function () {
|
||||
{
|
||||
return this.get_state().get_width() * this.get_relSize();
|
||||
}
|
||||
}, get_position:function () {
|
||||
var tmp$0;
|
||||
if (this.get_selected())
|
||||
tmp$0 = this.get_pos().minus$0(this.get_shadowOffset());
|
||||
else
|
||||
tmp$0 = this.get_pos();
|
||||
{
|
||||
return tmp$0;
|
||||
}
|
||||
}, get_directionToLogo:function () {
|
||||
{
|
||||
return interactive2.get_JB().get_centre().minus$0(this.get_position()).get_normalized();
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return this.get_pos().distanceTo(mousePos) < this.get_radius();
|
||||
}
|
||||
}, fillCircle:function (receiver, position, rad) {
|
||||
{
|
||||
receiver.beginPath();
|
||||
receiver.arc(position.get_x(), position.get_y(), rad, 0, 2 * Math.PI, false);
|
||||
receiver.closePath();
|
||||
receiver.fill();
|
||||
}
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
if (!this.get_selected()) {
|
||||
this.drawCreature(context);
|
||||
}
|
||||
else {
|
||||
this.drawCreatureWithShadow(context);
|
||||
}
|
||||
}
|
||||
}, drawCreature:function (context) {
|
||||
{
|
||||
context.fillStyle = this.getGradient(context);
|
||||
this.fillCircle(context, this.get_position(), this.get_radius());
|
||||
this.drawEye(context);
|
||||
this.drawTail(context);
|
||||
}
|
||||
}, getGradient:function (context) {
|
||||
{
|
||||
var tmp$0;
|
||||
var gradientCentre = this.get_position().plus(this.get_directionToLogo().times(this.get_radius() / 4));
|
||||
var gradient = context.createRadialGradient(gradientCentre.get_x(), gradientCentre.get_y(), 1, gradientCentre.get_x(), gradientCentre.get_y(), 2 * this.get_radius());
|
||||
{
|
||||
tmp$0 = Kotlin.arrayIterator(this.get_colorStops());
|
||||
while (tmp$0.hasNext()) {
|
||||
var colorStop = tmp$0.next();
|
||||
{
|
||||
gradient.addColorStop(colorStop[0], colorStop[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
return gradient;
|
||||
}
|
||||
}, drawTail:function (context) {
|
||||
{
|
||||
var tailDirection = this.get_directionToLogo().minus();
|
||||
var tailPos = this.get_position().plus(tailDirection.times(this.get_radius()).times(0.7));
|
||||
var tailSize = this.get_radius() * 1.6;
|
||||
var angle = Math.PI / 6;
|
||||
var p1 = tailPos.plus(tailDirection.rotatedBy(angle).times(tailSize));
|
||||
var p2 = tailPos.plus(tailDirection.rotatedBy(-angle).times(tailSize));
|
||||
context.fillStyle = this.getGradient(context);
|
||||
context.beginPath();
|
||||
context.moveTo(tailPos.get_x(), tailPos.get_y());
|
||||
context.lineTo(p1.get_x(), p1.get_y());
|
||||
var middlePoint = this.get_position().plus(tailDirection.times(this.get_radius()).times(1));
|
||||
context.quadraticCurveTo(middlePoint.get_x(), middlePoint.get_y(), p2.get_x(), p2.get_y());
|
||||
context.lineTo(tailPos.get_x(), tailPos.get_y());
|
||||
context.closePath();
|
||||
context.fill();
|
||||
}
|
||||
}, drawEye:function (context) {
|
||||
{
|
||||
var eyePos = this.get_directionToLogo().times(this.get_radius()).times(0.6).plus(this.get_position());
|
||||
var eyeRadius = this.get_radius() / 3;
|
||||
var eyeLidRadius = eyeRadius / 2;
|
||||
context.fillStyle = '#FFFFFF';
|
||||
this.fillCircle(context, eyePos, eyeRadius);
|
||||
context.fillStyle = '#000000';
|
||||
this.fillCircle(context, eyePos, eyeLidRadius);
|
||||
}
|
||||
}, drawCreatureWithShadow:function (context) {
|
||||
{
|
||||
context.save();
|
||||
this.setShadow(context);
|
||||
context.fillStyle = this.getGradient(context);
|
||||
this.fillCircle(context, this.get_position(), this.get_radius());
|
||||
context.restore();
|
||||
this.drawEye(context);
|
||||
this.drawTail(context);
|
||||
}
|
||||
}, setShadow:function (context) {
|
||||
{
|
||||
context.shadowColor = 'rgba(100, 100, 100, 0.7)';
|
||||
context.shadowBlur = 5;
|
||||
context.shadowOffsetX = this.get_shadowOffset().get_x();
|
||||
context.shadowOffsetY = this.get_shadowOffset().get_y();
|
||||
}
|
||||
}
|
||||
});
|
||||
var Logo = Kotlin.Class.create(Shape, {initialize:function (pos, relSize) {
|
||||
this.$pos = pos;
|
||||
this.$relSize = relSize;
|
||||
this.super_init();
|
||||
this.$imageSize = interactive2.v_0(704, 254);
|
||||
this.$canvasSize = this.get_imageSize().times(this.get_relSize());
|
||||
}, get_pos:function () {
|
||||
return this.$pos;
|
||||
}, set_pos:function (tmp$0) {
|
||||
this.$pos = tmp$0;
|
||||
}, get_relSize:function () {
|
||||
return this.$relSize;
|
||||
}, set_relSize:function (tmp$0) {
|
||||
this.$relSize = tmp$0;
|
||||
}, get_imageSize:function () {
|
||||
return this.$imageSize;
|
||||
}, get_canvasSize:function () {
|
||||
return this.$canvasSize;
|
||||
}, draw:function (state) {
|
||||
{
|
||||
var context = state.get_context();
|
||||
context.drawImage(getKotlinLogo(), 0, 0, this.get_imageSize().get_x(), this.get_imageSize().get_y(), this.get_pos().get_x(), this.get_pos().get_y(), this.get_canvasSize().get_x(), this.get_canvasSize().get_y());
|
||||
}
|
||||
}, contains:function (mousePos) {
|
||||
{
|
||||
return mousePos.isInRect(this.get_pos(), this.get_canvasSize());
|
||||
}
|
||||
}, get_centre:function () {
|
||||
{
|
||||
return this.get_pos().plus(this.get_canvasSize().times(0.5));
|
||||
}
|
||||
}
|
||||
});
|
||||
return {Shape_0:Shape, Logo_0:Logo, Creature_0:Creature, RadialGradientGenerator_0:RadialGradientGenerator, CanvasState_0:CanvasState, Vector_0:Vector};
|
||||
}
|
||||
();
|
||||
var interactive2 = Kotlin.Namespace.create({initialize:function () {
|
||||
interactive2.$gradientGenerator = new interactive2.RadialGradientGenerator_0(getContext());
|
||||
interactive2.$JB = new interactive2.Logo_0(interactive2.v_0(20, 20), 0.3);
|
||||
}, get_gradientGenerator:function () {
|
||||
return interactive2.$gradientGenerator;
|
||||
}, get_JB:function () {
|
||||
return interactive2.$JB;
|
||||
}, doWithPeriod:function (period, f) {
|
||||
{
|
||||
setInterval(f, period);
|
||||
}
|
||||
}, v_0:function (x, y) {
|
||||
{
|
||||
return new interactive2.Vector_0(x, y);
|
||||
}
|
||||
}, main:function () {
|
||||
{
|
||||
var state = new interactive2.CanvasState_0(getCanvas());
|
||||
state.addShape(interactive2.get_JB());
|
||||
setTimeout(function () {
|
||||
{
|
||||
state.set_valid(false);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
}, classes);
|
||||
interactive2.initialize();
|
||||
}
|
||||
|
||||
var args = [];
|
||||
interactive2.main(args);
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 9.1 KiB |
@@ -0,0 +1,280 @@
|
||||
package interactive2;
|
||||
|
||||
import jquery.*;
|
||||
import html5.*;
|
||||
import java.util.ArrayList;
|
||||
import js.*;
|
||||
import js.Math;
|
||||
import js.setInterval
|
||||
import html5.getCanvas
|
||||
import html5.getKotlinLogo
|
||||
import jquery.jq
|
||||
import js.setTimeout
|
||||
|
||||
val gradientGenerator = RadialGradientGenerator(getContext())
|
||||
val JB = Logo(v(20.0, 20.0))
|
||||
|
||||
fun doWithPeriod(period : Int, f : ()->Unit) {
|
||||
setInterval(f, period);
|
||||
}
|
||||
|
||||
abstract class Shape() {
|
||||
abstract fun draw(state : CanvasState);
|
||||
abstract fun contains(mousePos : Vector) : Boolean;
|
||||
abstract var pos : Vector;
|
||||
var selected : Boolean = false;
|
||||
}
|
||||
|
||||
class Logo(override var pos : Vector,
|
||||
var relSize : Double = 0.3)
|
||||
: Shape()
|
||||
{
|
||||
val imageSize = v(704.0, 254.0)
|
||||
val canvasSize = imageSize * relSize
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
context.drawImage(getKotlinLogo(), 0.0, 0.0, imageSize.x, imageSize.y, pos.x, pos.y, canvasSize.x, canvasSize.y)
|
||||
}
|
||||
|
||||
override fun contains(mousePos: Vector): Boolean = mousePos.isInRect(pos, canvasSize)
|
||||
|
||||
val centre : Vector
|
||||
get() = pos + canvasSize * 0.5
|
||||
}
|
||||
|
||||
class Creature(override var pos : Vector,
|
||||
var state : CanvasState) : Shape() {
|
||||
|
||||
val shadowOffset = v(-5.0, 5.0)
|
||||
val colorStops = gradientGenerator.getNext()
|
||||
val relSize = 0.05;
|
||||
val radius : Double
|
||||
get() = state.width * relSize;
|
||||
|
||||
val position : Vector
|
||||
get() = if (selected) pos - shadowOffset else pos
|
||||
|
||||
val directionToLogo : Vector
|
||||
get() = (JB.centre - position).normalized
|
||||
|
||||
override fun contains(mousePos : Vector) = pos.distanceTo(mousePos) < radius;
|
||||
|
||||
fun Context.fillCircle(position : Vector, rad : Double) {
|
||||
beginPath();
|
||||
arc(position.x, position.y, rad, 0.0, 2 * Math.PI, false);
|
||||
closePath();
|
||||
fill()
|
||||
}
|
||||
|
||||
override fun draw(state : CanvasState) {
|
||||
val context = state.context;
|
||||
if (!selected) {
|
||||
drawCreature(context)
|
||||
} else {
|
||||
drawCreatureWithShadow(context)
|
||||
}
|
||||
}
|
||||
|
||||
fun drawCreature(context : Context) {
|
||||
context.fillStyle = getGradient(context);
|
||||
context.fillCircle(position, radius)
|
||||
drawEye(context)
|
||||
drawTail(context)
|
||||
}
|
||||
|
||||
fun getGradient(context : Context) : CanvasGradient {
|
||||
val gradientCentre = position + directionToLogo * (radius / 4)
|
||||
val gradient = context.createRadialGradient(gradientCentre.x, gradientCentre.y, 1.0, gradientCentre.x, gradientCentre.y, 2 * radius)
|
||||
for (colorStop in colorStops) {
|
||||
gradient.addColorStop(colorStop._1, colorStop._2)
|
||||
}
|
||||
return gradient;
|
||||
}
|
||||
|
||||
fun drawTail(context : Context) {
|
||||
val tailDirection = -directionToLogo;
|
||||
val tailPos = position + tailDirection * radius * 0.7
|
||||
val tailSize = radius * 1.6
|
||||
val angle = Math.PI / 6.0;
|
||||
val p1 = tailPos + tailDirection.rotatedBy(angle) * tailSize
|
||||
val p2 = tailPos + tailDirection.rotatedBy(-angle) * tailSize
|
||||
context.fillStyle = getGradient(context)
|
||||
context.beginPath()
|
||||
context.moveTo(tailPos.x, tailPos.y)
|
||||
context.lineTo(p1.x, p1.y)
|
||||
val middlePoint = position + tailDirection * radius * 1.0
|
||||
context.quadraticCurveTo(middlePoint.x, middlePoint.y, p2.x, p2.y)
|
||||
context.lineTo(tailPos.x, tailPos.y)
|
||||
context.closePath()
|
||||
context.fill()
|
||||
}
|
||||
|
||||
fun drawEye(context : Context) {;
|
||||
val eyePos = directionToLogo * radius * 0.6 + position;
|
||||
val eyeRadius = radius / 3;
|
||||
val eyeLidRadius = eyeRadius / 2;
|
||||
context.fillStyle = "#FFFFFF";
|
||||
context.fillCircle(eyePos, eyeRadius)
|
||||
context.fillStyle = "#000000"
|
||||
context.fillCircle(eyePos, eyeLidRadius)
|
||||
}
|
||||
|
||||
fun drawCreatureWithShadow(context : Context) {
|
||||
context.save()
|
||||
setShadow(context)
|
||||
context.fillStyle = getGradient(context)
|
||||
context.fillCircle(position, radius)
|
||||
context.restore();
|
||||
drawEye(context)
|
||||
drawTail(context)
|
||||
}
|
||||
|
||||
fun setShadow(context : Context) {
|
||||
context.shadowColor = "rgba(100, 100, 100, 0.7)";
|
||||
context.shadowBlur = 5.0;
|
||||
context.shadowOffsetX = shadowOffset.x;
|
||||
context.shadowOffsetY = shadowOffset.y;
|
||||
}
|
||||
}
|
||||
|
||||
class CanvasState(val canvas : Canvas) {
|
||||
val width = canvas.width;
|
||||
val height = canvas.height;
|
||||
val context = getContext();
|
||||
var valid = false;
|
||||
var shapes = ArrayList<Shape>();
|
||||
var selection : Shape? = null;
|
||||
var dragOff = Vector();
|
||||
val interval = 1000 / 30;
|
||||
|
||||
{
|
||||
jq(canvas).mousedown {
|
||||
valid = false;
|
||||
selection = null;
|
||||
val mousePos = mousePos(it);
|
||||
for (shape in shapes) {
|
||||
if (mousePos in shape) {
|
||||
dragOff = mousePos - shape.pos;
|
||||
shape.selected = true;
|
||||
selection = shape;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mousemove {
|
||||
if (selection != null) {
|
||||
selection.sure().pos = mousePos(it) - dragOff;
|
||||
valid = false;
|
||||
}
|
||||
}
|
||||
|
||||
jq(canvas).mouseup {
|
||||
if (selection != null) {
|
||||
selection.sure().selected = false;
|
||||
}
|
||||
selection = null;
|
||||
valid = false;
|
||||
}
|
||||
|
||||
jq(canvas).dblclick {
|
||||
val redTransparentCircle = Creature(mousePos(it), this @CanvasState);
|
||||
addShape(redTransparentCircle);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
doWithPeriod(interval) {
|
||||
draw();
|
||||
}
|
||||
}
|
||||
|
||||
fun mousePos(e : MouseEvent) : Vector {
|
||||
var offset = Vector();
|
||||
var element : DomElement? = canvas;
|
||||
while (element != null) {
|
||||
val el : DomElement = element.sure();
|
||||
offset += Vector(el.offsetLeft, el.offsetTop);
|
||||
element = el.offsetParent;
|
||||
}
|
||||
return Vector(e.pageX, e.pageY) - offset;
|
||||
}
|
||||
|
||||
fun addShape(shape : Shape) {
|
||||
shapes.add(shape);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
fun clear() {
|
||||
context.fillStyle = "#FFFFFF"
|
||||
context.fillRect(0.0, 0.0, width, height)
|
||||
context.strokeStyle = "#000000"
|
||||
context.lineWidth = 4.0;
|
||||
context.strokeRect(0.0, 0.0, width, height)
|
||||
}
|
||||
|
||||
fun draw() {
|
||||
if (valid) return
|
||||
|
||||
clear();
|
||||
for (shape in shapes) {
|
||||
shape.draw(this);
|
||||
}
|
||||
valid = true;
|
||||
}
|
||||
}
|
||||
|
||||
class RadialGradientGenerator(val context : Context) {
|
||||
val gradients = ArrayList<Array<#(Double, String)>>();
|
||||
var current = 0
|
||||
|
||||
fun newColorStops(vararg colorStops : #(Double, String)) {
|
||||
gradients.add(colorStops)
|
||||
}
|
||||
|
||||
{
|
||||
newColorStops(#(0.0, "#F59898"), #(0.5, "#F57373"), #(1.0, "#DB6B6B"))
|
||||
newColorStops(#(0.39, "rgb(140,167,209)"), #(0.7, "rgb(104,139,209)"), #(0.85, "rgb(67,122,217)"))
|
||||
newColorStops(#(0.0, "rgb(255,222,255)"), #(0.5, "rgb(255,185,222)"), #(1.0, "rgb(230,154,185)"))
|
||||
newColorStops(#(0.0, "rgb(255,209,114)"), #(0.5, "rgb(255,174,81)"), #(1.0, "rgb(241,145,54)"))
|
||||
newColorStops(#(0.0, "rgb(132,240,135)"), #(0.5, "rgb(91,240,96)"), #(1.0, "rgb(27,245,41)"))
|
||||
newColorStops(#(0.0, "rgb(250,147,250)"), #(0.5, "rgb(255,80,255)"), #(1.0, "rgb(250,0,217)"))
|
||||
}
|
||||
|
||||
fun getNext() : Array<#(Double, String)> {
|
||||
val result = gradients.get(current)
|
||||
current = (current + 1) % gradients.size()
|
||||
return result
|
||||
}
|
||||
}
|
||||
|
||||
fun v(x : Double, y : Double) = Vector(x, y);
|
||||
|
||||
class Vector(val x : Double = 0.0, val y : Double = 0.0) {
|
||||
fun plus(v : Vector) = v(x + v.x, y + v.y);
|
||||
fun minus() = v(-x, -y)
|
||||
fun minus(v : Vector) = v(x - v.x, y - v.y)
|
||||
fun times(coef : Double) = v(x * coef, y * coef)
|
||||
fun distanceTo(v : Vector) = Math.sqrt((this - v).sqr)
|
||||
fun rotatedBy(theta : Double) : Vector {
|
||||
val sin = Math.sin(theta)
|
||||
val cos = Math.cos(theta)
|
||||
return v(x * cos - y * sin, x * sin + y * cos)
|
||||
}
|
||||
|
||||
fun isInRect(topLeft : Vector, size : Vector) = (x >= topLeft.x) && (x <= topLeft.x + size.x) &&
|
||||
(y >= topLeft.y) && (y <= topLeft.y + size.y)
|
||||
|
||||
val sqr : Double
|
||||
get() = x * x + y * y
|
||||
val normalized : Vector
|
||||
get() = this * (1.0 / Math.sqrt(sqr))
|
||||
}
|
||||
|
||||
fun main() {
|
||||
val state = CanvasState(getCanvas());
|
||||
state.addShape(JB);
|
||||
setTimeout({
|
||||
state.valid = false
|
||||
})
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
<!--
|
||||
~ Copyright 2000-2012 JetBrains s.r.o.
|
||||
~
|
||||
~ Licensed under the Apache License, Version 2.0 (the "License");
|
||||
~ you may not use this file except in compliance with the License.
|
||||
~ You may obtain a copy of the License at
|
||||
~
|
||||
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing, software
|
||||
~ distributed under the License is distributed on an "AS IS" BASIS,
|
||||
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
~ See the License for the specific language governing permissions and
|
||||
~ limitations under the License.
|
||||
-->
|
||||
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
|
||||
"http://www.w3.org/TR/html4/loose.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Canvas demo</title>
|
||||
</head>
|
||||
<body>
|
||||
<canvas height="450" width="800"></canvas>
|
||||
<script src="http://code.jquery.com/jquery-latest.js"></script>
|
||||
<script src="../../../../translator/testFiles/kotlin_lib.js" type="text/javascript"></script>
|
||||
<script src="../../../../translator/testFiles/canvas_helper.js" type="text/javascript"></script>
|
||||
<script src="interactive2.js" type="text/javascript"></script>
|
||||
<img src="jbLogo.png" hidden=true/>
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user