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pixi.js / examples / example 8 - Dragging / index.html
<!DOCTYPE HTML>
<html>
<head>
    <title>pixi.js example 8 Dragging</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            background-color: #FFFFFF;

        }
    </style>
    <script src="../../bin/pixi.dev.js"></script>
</head>
<body>
    <script>
    // create an new instance of a pixi stage
    var stage = new PIXI.Stage(0x97C56E, true);

    // create a renderer instance
    var renderer = PIXI.autoDetectRenderer(window.innerWidth, window.innerHeight, null);

    // add the renderer view element to the DOM
    document.body.appendChild(renderer.view);
    renderer.view.style.position = "absolute";
    renderer.view.style.top = "0px";
    renderer.view.style.left = "0px";
    requestAnimFrame( animate );

    // create a texture from an image path
    var texture = PIXI.Texture.fromImage("bunny.png");

    for (var i = 0; i < 10; i++)
    {
        createBunny(Math.random() * window.innerWidth, Math.random() * window.innerHeight)
    };


    function createBunny(x, y)
    {
        // create our little bunny friend..
        var bunny = new PIXI.Sprite(texture);

        // enable the bunny to be interactive.. this will allow it to respond to mouse and touch events
        bunny.interactive = true;
        // this button mode will mean the hand cursor appears when you rollover the bunny with your mouse
        bunny.buttonMode = true;

        // center the bunnys anchor point
        bunny.anchor.x = 0.5;
        bunny.anchor.y = 0.5;
        // make it a bit bigger, so its easier to touch
        bunny.scale.x = bunny.scale.y = 3;


        // use the mousedown and touchstart
        bunny.mousedown = bunny.touchstart = function(data)
        {
            // stop the default event...
            data.originalEvent.preventDefault();

            // store a reference to the data
            // The reason for this is because of multitouch
            // we want to track the movement of this particular touch
            this.data = data;
            this.alpha = 0.9;
            this.dragging = true;
        };

        // set the events for when the mouse is released or a touch is released
        bunny.mouseup = bunny.mouseupoutside = bunny.touchend = bunny.touchendoutside = function(data)
        {
            this.alpha = 1
            this.dragging = false;
            // set the interaction data to null
            this.data = null;
        };

        // set the callbacks for when the mouse or a touch moves
        bunny.mousemove = bunny.touchmove = function(data)
        {
            if(this.dragging)
            {
                var newPosition = this.data.getLocalPosition(this.parent);
                this.position.x = newPosition.x;
                this.position.y = newPosition.y;
            }
        }

        // move the sprite to its designated position
        bunny.position.x = x;
        bunny.position.y = y;

        // add it to the stage
        stage.addChild(bunny);
    }

    function animate() {

        requestAnimFrame(animate);

        // render the stage
        renderer.render(stage);
    }

    </script>

    </body>
</html>