Added phaser build and hellophaser sample

filters/Gray.js

@@ -0,0 +1,50 @@
+/**
+* @author Mat Groves http://matgroves.com/ @Doormat23
+*/
+
+/**
+* This turns your displayObjects to grayscale.
+* @class Gray
+* @contructor
+*/
+Phaser.Filter.Gray = function (game) {
+
+    Phaser.Filter.call(this, game);
+
+    this.uniforms.gray = { type: '1f', value: 1.0 };
+
+    this.fragmentSrc = [
+
+        "precision mediump float;",
+
+        "varying vec2       vTextureCoord;",
+        "varying vec4       vColor;",
+        "uniform sampler2D  uSampler;",
+        "uniform float      gray;",
+
+        "void main(void) {",
+            "gl_FragColor = texture2D(uSampler, vTextureCoord);",
+            "gl_FragColor.rgb = mix(gl_FragColor.rgb, vec3(0.2126 * gl_FragColor.r + 0.7152 * gl_FragColor.g + 0.0722 * gl_FragColor.b), gray);",
+        "}"
+    ];
+
+};
+
+Phaser.Filter.Gray.prototype = Object.create(Phaser.Filter.prototype);
+Phaser.Filter.Gray.prototype.constructor = Phaser.Filter.Gray;
+
+/**
+* The strength of the gray. 1 will make the object black and white, 0 will make the object its normal color
+* @property gray
+*/
+Object.defineProperty(Phaser.Filter.Gray.prototype, 'gray', {
+
+    get: function() {
+        return this.uniforms.gray.value;
+    },
+
+    set: function(value) {
+        this.uniforms.gray.value = value;
+    }
+
+});