webvr js meetup initial commit

node_modules/three/examples/js/shaders/DOFMipMapShader.js

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+/**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * Depth-of-field shader using mipmaps
+ * - from Matt Handley @applmak
+ * - requires power-of-2 sized render target with enabled mipmaps
+ */
+
+THREE.DOFMipMapShader = {
+
+	uniforms: {
+
+		"tColor":   { value: null },
+		"tDepth":   { value: null },
+		"focus":    { value: 1.0 },
+		"maxblur":  { value: 1.0 }
+
+	},
+
+	vertexShader: [
+
+		"varying vec2 vUv;",
+
+		"void main() {",
+
+			"vUv = uv;",
+			"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
+
+		"}"
+
+	].join( "\n" ),
+
+	fragmentShader: [
+
+		"uniform float focus;",
+		"uniform float maxblur;",
+
+		"uniform sampler2D tColor;",
+		"uniform sampler2D tDepth;",
+
+		"varying vec2 vUv;",
+
+		"void main() {",
+
+			"vec4 depth = texture2D( tDepth, vUv );",
+
+			"float factor = depth.x - focus;",
+
+			"vec4 col = texture2D( tColor, vUv, 2.0 * maxblur * abs( focus - depth.x ) );",
+
+			"gl_FragColor = col;",
+			"gl_FragColor.a = 1.0;",
+
+		"}"
+
+	].join( "\n" )
+
+};