Nflash/TestVector.html at master · ningxiao/Nflash · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>粒子系统测试</title>
    <meta name="author" content="ningxiao"/>
    <style type="text/css">
        * {
            margin: 0;
            padding: 0;
        }

        #candiv {
            width: 1024px;
            height: 650px;
            position: relative;
            left: 50%;
            margin-left: -512px;
            background-image:url(fish/img/game_bg_2_hd.jpg) ;
        }

        #canvas {
            width: 1024px;
            height: 650px;
            position: relative;
        }
    </style>
    <script type="text/javascript" src="flash/utils/socket.io.js"></script>
    <script type="text/javascript" src="flash/utils/Utils.js"></script>
    <script type="text/javascript" src="flash/utils/Profile.js"></script>
    <script type="text/javascript" src="flash/geom/Rectangle.js"></script>
    <script type="text/javascript" src="flash/geom/Point.js"></script>
    <script type="text/javascript" src="flash/events/EventDispatcher.js"></script>
    <script type="text/javascript" src="flash/display/Graphics.js"></script>
    <script type="text/javascript" src="flash/display/DisplayObject.js"></script>
    <script type="text/javascript" src="flash/events/Event.js"></script>
    <script type="text/javascript" src="flash/errors/Error.js"></script>
    <script type="text/javascript" src="flash/events/KeyboardEvent.js"></script>
    <script type="text/javascript" src="flash/events/MouseEvent.js"></script>
    <script type="text/javascript" src="flash/events/SoundEvent.js"></script>
    <script type="text/javascript" src="flash/utils/Pool.js"></script>
    <script type="text/javascript" src="flash/utils/Mode.js"></script>
    <script type="text/javascript" src="flash/display/BitmapData.js"></script>
    <script type="text/javascript" src="flash/display/Bitmap.js"></script>
    <script type="text/javascript" src="flash/display/MovieClip.js"></script>
    <script type="text/javascript" src="flash/display/Shape.js"></script>
    <script type="text/javascript" src="flash/display/Sprite.js"></script>
    <script type="text/javascript" src="flash/display/Button.js"></script>
    <script type="text/javascript" src="flash/media/Sound.js"></script>
    <script type="text/javascript" src="flash/display/Stage.js"></script>
    <script type="text/javascript" src="flash/utils/Vector2.js"></script>
    <script type="text/javascript" src="flash/utils/Color.js"></script>
    <script type="text/javascript" src="flash/particle/Particle.js"></script>
    <script type="text/javascript" src="flash/particle/ParticleSystem.js"></script>
</head>
<body>
<div id="candiv">
    <canvas id="kinematicsCancas" width="1024" height="650">
        <p>对不起,该浏览器不支持Html5</p>
    </canvas>
</div>
<!--
<script type="text/javascript">
    var position = new flash.Vector2(10, 200);
    var velocity = new flash.Vector2(50, -50);
    var acceleration = new flash.Vector2(0, 10);
    var dt = 0.1;
    var red = new flash.Color(1, 0, 0, 1).toRgba();
    Stage = new flash.display.Stage(document.getElementById('kinematicsCancas'), 40);
    var spr = new flash.display.Sprite(position.x, position.y, {height:400, width:400});
    spr.graphics.beginFill(red);
    spr.graphics.lineStyle(1,"#FFFFFF",flash.profile.lineJoin.round);
    spr.graphics.drawCircle(0,0,5);
    Stage.addEventListener(flash.events.ENTER_FRAME, onEnterFrame);
    Stage.addChild(spr);
    function onEnterFrame(event){
        position = position.add(velocity.multiply(dt));
        velocity = velocity.add(acceleration.multiply(dt));
        spr.setVector(position);
    }
</script>
!-->
<script type="text/javascript">
    var ps = new flash.ParticleSystem(),dt = 0.01,red = new flash.Color(1, 0, 0, 1),sprite;
    function sampleDirection() {
        var theta = Math.random() * 2 * Math.PI;
        return new flash.Vector2(Math.cos(theta), Math.sin(theta));
    }
    Stage = new flash.display.Stage(document.getElementById('kinematicsCancas'), 40);
    sprite = new flash.display.Sprite(0, 0, {height:400, width:400});
    Stage.addChild(sprite);
    Stage.addEventListener(flash.events.ENTER_FRAME, onEnterFrame);
    function draw(particle){
        var alpha = 1 - particle.age / particle.life;
        red.a = alpha;
        Stage.conText.fillStyle = red.toRgba();
        Stage.conText.beginPath();
        Stage.conText.arc(particle.position.x, particle.position.y, particle.size, 0, Math.PI * 2, true);
        Stage.conText.closePath();
        Stage.conText.fill();
    }
    function onEnterFrame(event){
        ps.emit(new flash.Particle(new flash.Vector2(200, 200), sampleDirection().multiply(100), 1, red, 5));
        ps.simulate(dt);
        ps.render(draw);
    }
</script>
</body>
</html>