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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER 
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/*
 * CustomCanvas.fx
 *
 * Created on Sep 16, 2008, 3:36:41 PM
 */

package particles;

import javafx.animation.*;
import javafx.scene.*;
import javafx.scene.paint.*;
import javafx.scene.shape.*;
import javafx.scene.input.*;
import java.lang.Math;
import java.util.Random;

/**
 * @author joshua.marinacci@sun.com
 */
public class CustomCanvas extends CustomNode {
    var acc:Number;
    var timeline:Timeline;
    var parts:Particle[];
    var random:Random; 

    function update():Void {
        insert 
        Particle {
            x: 84
            y: 164
            vx: 0.3 * random.nextGaussian()
            vy: 0.3 * random.nextGaussian() - 1
            timer: 100
            acc: bind acc
        } into parts;
        var i = sizeof parts - 1;
        while( i >= 0 ) {
                parts
            [ i.intValue() ].update();
            if( parts
            [ i.intValue() ].isdead()) {
                delete parts[ i.intValue() ];
            }
            i--;
        }
    }

    override public function create():Node {
        random = new Random();
        timeline = Timeline {
            repeatCount: java.lang.Double.POSITIVE_INFINITY // HACK
            keyFrames: 
                KeyFrame {
                    time: 16.6ms
                    action: 
                        function() {
                            update();
                        }                
                }
        };
        timeline.play();
        return Group {
            content: bind [
                Rectangle {
                    width: 200,
                    height: 200
                    fill: Color.BLACK
                    blocksMouse: true
                    onMouseMoved:function(e:MouseEvent):Void {
                        acc = ( e.x - 100 ) / 1000;
                        }
                },
                Line {
                    startX: bind 100 + ( 500 * acc )
                    startY: 50
                    endX: 100
                    endY: 50
                    stroke: Color.WHITE
                },
                Line {
                    startX: bind 100 + ( 500 * acc )
                    startY: 50
                    endX: bind 100 + ( 500 * acc ) - 4 * acc / Math.abs( acc )
                    endY: 48
                    stroke: Color.WHITE
                },
                Line {
                    startX: bind 100 + ( 500 * acc )
                    startY: 50
                    endX: bind 100 + ( 500 * acc ) - 4 * acc / Math.abs( acc )
                    endY: 52
                    stroke: Color.WHITE
                },
                parts
            ]
        };
    }
}