Initial project import

node_modules/three-stdlib/shaders/FocusShader.js

@@ -0,0 +1,83 @@
+const FocusShader = {
+  uniforms: {
+    tDiffuse: { value: null },
+    screenWidth: { value: 1024 },
+    screenHeight: { value: 1024 },
+    sampleDistance: { value: 0.94 },
+    waveFactor: { value: 125e-5 }
+  },
+  vertexShader: (
+    /* glsl */
+    `
+    varying vec2 vUv;
+
+    void main() {
+
+    	vUv = uv;
+    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+
+    }
+  `
+  ),
+  fragmentShader: (
+    /* glsl */
+    `
+    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 );
+
+    }
+  `
+  )
+};
+export {
+  FocusShader
+};
+//# sourceMappingURL=FocusShader.js.map