[]putimagedata 不起作用

(function()

{

	var Sprite  = Laya.Sprite;

	var Stage   = Laya.Stage;

	var Texture = Laya.Texture;

	var Browser = Laya.Browser;

	var Handler = Laya.Handler;

	var WebGL   = Laya.WebGL;



	(function()

	{

		// 不支持WebGL时自动切换至Canvas

		Laya.init(Browser.clientWidth, Browser.clientHeight);



		Laya.stage.alignV = Stage.ALIGN_MIDDLE;

		Laya.stage.alignH = Stage.ALIGN_CENTER;



		Laya.stage.scaleMode = "showall";

		Laya.stage.bgColor = "#232628";



		showApe();

	})();

    function distort (imageData) {

        console.log(imageData)

      var data = imageData.data,

        copy = Array.prototype.slice.apply(data, [0]),

        w = imageData.width,

        h = imageData.height,

        i = 0,

        l = data.length,

        x, y, d

      for (i; i < l; i += 4) {

          if (data[i]!== 0) {

              console.log(data[i])

          }

        x = i / 4 % w

        y = Math.ceil(i / 4 / w) - 1

        d = Math.ceil(20 * Math.sin(0.071 * y))

        if (x + d <= 0 || x + d > w) {

          data[i + 3] = 0

        } else {

          data[i] = copy[i + d * 4]

          data[i + 1] = copy[i + 1 + d * 4]

          data[i + 2] = copy[i + 2 + d * 4]

        }

      }

      Laya.Browser.context.putImageData(imageData, 0, 0, 0, 0, 400, 400)

      

    }



	function showApe()

	{

		// 方法1：使用loadImage

		var ape = new Sprite();

		Laya.stage.addChild(ape);

		ape.loadImage("../../res/apes/monkey3.png");



		// 方法2：使用drawTexture

		Laya.loader.load("../../res/apes/monkey2.png", Handler.create(this, function()

		{

			var t = Laya.loader.getRes("../../res/apes/monkey2.png");

			var ape = new Sprite();

			ape.graphics.drawTexture(t, 0, 0);

			Laya.stage.addChild(ape);

			ape.pos(200, 0);

			data = Laya.Browser.context.getImageData(0, 0, 400, 400)

			distort(data)

		}));

	}

})();[/i][/i][/i]