Initial project import

node_modules/three-stdlib/shaders/FilmShader.js

@@ -0,0 +1,82 @@
+const FilmShader = {
+  uniforms: {
+    tDiffuse: { value: null },
+    time: { value: 0 },
+    nIntensity: { value: 0.5 },
+    sIntensity: { value: 0.05 },
+    sCount: { value: 4096 },
+    grayscale: { value: 1 }
+  },
+  vertexShader: (
+    /* glsl */
+    `
+    varying vec2 vUv;
+
+    void main() {
+
+    	vUv = uv;
+    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+
+    }
+  `
+  ),
+  fragmentShader: (
+    /* glsl */
+    `
+    #include <common>
+
+    // control parameter
+    uniform float time;
+
+    uniform bool grayscale;
+
+    // noise effect intensity value (0 = no effect, 1 = full effect)
+    uniform float nIntensity;
+
+    // scanlines effect intensity value (0 = no effect, 1 = full effect)
+    uniform float sIntensity;
+
+    // scanlines effect count value (0 = no effect, 4096 = full effect)
+    uniform float sCount;
+
+    uniform sampler2D tDiffuse;
+
+    varying vec2 vUv;
+
+    void main() {
+
+    // sample the source
+    	vec4 cTextureScreen = texture2D( tDiffuse, vUv );
+
+    // make some noise
+    	float dx = rand( vUv + time );
+
+    // add noise
+    	vec3 cResult = cTextureScreen.rgb + cTextureScreen.rgb * clamp( 0.1 + dx, 0.0, 1.0 );
+
+    // get us a sine and cosine
+    	vec2 sc = vec2( sin( vUv.y * sCount ), cos( vUv.y * sCount ) );
+
+    // add scanlines
+    	cResult += cTextureScreen.rgb * vec3( sc.x, sc.y, sc.x ) * sIntensity;
+
+    // interpolate between source and result by intensity
+    	cResult = cTextureScreen.rgb + clamp( nIntensity, 0.0,1.0 ) * ( cResult - cTextureScreen.rgb );
+
+    // convert to grayscale if desired
+    	if( grayscale ) {
+
+    		cResult = vec3( cResult.r * 0.3 + cResult.g * 0.59 + cResult.b * 0.11 );
+
+    	}
+
+    	gl_FragColor =  vec4( cResult, cTextureScreen.a );
+
+    }
+  `
+  )
+};
+export {
+  FilmShader
+};
+//# sourceMappingURL=FilmShader.js.map