webvr js meetup initial commit

2017-03-11 15:22:17 +01:00
commit 3f640b55db
761 changed files with 264174 additions and 0 deletions
--- a/node_modules/three/examples/js/shaders/FocusShader.js
+++ b/node_modules/three/examples/js/shaders/FocusShader.js
@@ -0,0 +1,91 @@
+/**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * Focus shader
+ * based on PaintEffect postprocess from ro.me
+ * http://code.google.com/p/3-dreams-of-black/source/browse/deploy/js/effects/PaintEffect.js
+ */
+
+THREE.FocusShader = {
+
+	uniforms : {
+
+		"tDiffuse":       { value: null },
+		"screenWidth":    { value: 1024 },
+		"screenHeight":   { value: 1024 },
+		"sampleDistance": { value: 0.94 },
+		"waveFactor":     { value: 0.00125 }
+
+	},
+
+	vertexShader: [
+
+		"varying vec2 vUv;",
+
+		"void main() {",
+
+			"vUv = uv;",
+			"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
+
+		"}"
+
+	].join( "\n" ),
+
+	fragmentShader: [
+
+		"uniform float screenWidth;",
+		"uniform float screenHeight;",
+		"uniform float sampleDistance;",
+		"uniform float waveFactor;",
+
+		"uniform sampler2D tDiffuse;",
+
+		"varying vec2 vUv;",
+
+		"void main() {",
+
+			"vec4 color, org, tmp, add;",
+			"float sample_dist, f;",
+			"vec2 vin;",
+			"vec2 uv = vUv;",
+
+			"add = color = org = texture2D( tDiffuse, uv );",
+
+			"vin = ( uv - vec2( 0.5 ) ) * vec2( 1.4 );",
+			"sample_dist = dot( vin, vin ) * 2.0;",
+
+			"f = ( waveFactor * 100.0 + sample_dist ) * sampleDistance * 4.0;",
+
+			"vec2 sampleSize = vec2(  1.0 / screenWidth, 1.0 / screenHeight ) * vec2( f );",
+
+			"add += tmp = texture2D( tDiffuse, uv + vec2( 0.111964, 0.993712 ) * sampleSize );",
+			"if( tmp.b < color.b ) color = tmp;",
+
+			"add += tmp = texture2D( tDiffuse, uv + vec2( 0.846724, 0.532032 ) * sampleSize );",
+			"if( tmp.b < color.b ) color = tmp;",
+
+			"add += tmp = texture2D( tDiffuse, uv + vec2( 0.943883, -0.330279 ) * sampleSize );",
+			"if( tmp.b < color.b ) color = tmp;",
+
+			"add += tmp = texture2D( tDiffuse, uv + vec2( 0.330279, -0.943883 ) * sampleSize );",
+			"if( tmp.b < color.b ) color = tmp;",
+
+			"add += tmp = texture2D( tDiffuse, uv + vec2( -0.532032, -0.846724 ) * sampleSize );",
+			"if( tmp.b < color.b ) color = tmp;",
+
+			"add += tmp = texture2D( tDiffuse, uv + vec2( -0.993712, -0.111964 ) * sampleSize );",
+			"if( tmp.b < color.b ) color = tmp;",
+
+			"add += tmp = texture2D( tDiffuse, uv + vec2( -0.707107, 0.707107 ) * sampleSize );",
+			"if( tmp.b < color.b ) color = tmp;",
+
+			"color = color * vec4( 2.0 ) - ( add / vec4( 8.0 ) );",
+			"color = color + ( add / vec4( 8.0 ) - color ) * ( vec4( 1.0 ) - vec4( sample_dist * 0.5 ) );",
+
+			"gl_FragColor = vec4( color.rgb * color.rgb * vec3( 0.95 ) + color.rgb, 1.0 );",
+
+		"}"
+
+
+	].join( "\n" )
+};