webvr js meetup initial commit

node_modules/three/examples/js/shaders/SepiaShader.js

@@ -0,0 +1,54 @@
+/**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * Sepia tone shader
+ * based on glfx.js sepia shader
+ * https://github.com/evanw/glfx.js
+ */
+
+THREE.SepiaShader = {
+
+	uniforms: {
+
+		"tDiffuse": { value: null },
+		"amount":   { value: 1.0 }
+
+	},
+
+	vertexShader: [
+
+		"varying vec2 vUv;",
+
+		"void main() {",
+
+			"vUv = uv;",
+			"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
+
+		"}"
+
+	].join( "\n" ),
+
+	fragmentShader: [
+
+		"uniform float amount;",
+
+		"uniform sampler2D tDiffuse;",
+
+		"varying vec2 vUv;",
+
+		"void main() {",
+
+			"vec4 color = texture2D( tDiffuse, vUv );",
+			"vec3 c = color.rgb;",
+
+			"color.r = dot( c, vec3( 1.0 - 0.607 * amount, 0.769 * amount, 0.189 * amount ) );",
+			"color.g = dot( c, vec3( 0.349 * amount, 1.0 - 0.314 * amount, 0.168 * amount ) );",
+			"color.b = dot( c, vec3( 0.272 * amount, 0.534 * amount, 1.0 - 0.869 * amount ) );",
+
+			"gl_FragColor = vec4( min( vec3( 1.0 ), color.rgb ), color.a );",
+
+		"}"
+
+	].join( "\n" )
+
+};