Initial project import

node_modules/three-stdlib/shaders/BokehShader.cjs

@@ -0,0 +1,137 @@
+"use strict";
+Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
+const BokehShader = {
+  defines: {
+    DEPTH_PACKING: 1,
+    PERSPECTIVE_CAMERA: 1
+  },
+  uniforms: {
+    tColor: { value: null },
+    tDepth: { value: null },
+    focus: { value: 1 },
+    aspect: { value: 1 },
+    aperture: { value: 0.025 },
+    maxblur: { value: 0.01 },
+    nearClip: { value: 1 },
+    farClip: { value: 1e3 }
+  },
+  vertexShader: (
+    /* glsl */
+    `
+    varying vec2 vUv;
+
+    void main() {
+
+    	vUv = uv;
+    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+
+    }
+  `
+  ),
+  fragmentShader: (
+    /* glsl */
+    `
+    #include <common>
+
+    varying vec2 vUv;
+
+    uniform sampler2D tColor;
+    uniform sampler2D tDepth;
+
+    uniform float maxblur; // max blur amount
+    uniform float aperture; // aperture - bigger values for shallower depth of field
+
+    uniform float nearClip;
+    uniform float farClip;
+
+    uniform float focus;
+    uniform float aspect;
+
+    #include <packing>
+
+    float getDepth( const in vec2 screenPosition ) {
+    	#if DEPTH_PACKING == 1
+    	return unpackRGBAToDepth( texture2D( tDepth, screenPosition ) );
+    	#else
+    	return texture2D( tDepth, screenPosition ).x;
+    	#endif
+    }
+
+    float getViewZ( const in float depth ) {
+    	#if PERSPECTIVE_CAMERA == 1
+    	return perspectiveDepthToViewZ( depth, nearClip, farClip );
+    	#else
+    	return orthographicDepthToViewZ( depth, nearClip, farClip );
+    	#endif
+    }
+
+    void main() {
+
+    	vec2 aspectcorrect = vec2( 1.0, aspect );
+
+    	float viewZ = getViewZ( getDepth( vUv ) );
+
+    	float factor = ( focus + viewZ ); // viewZ is <= 0, so this is a difference equation
+
+    	vec2 dofblur = vec2 ( clamp( factor * aperture, -maxblur, maxblur ) );
+
+    	vec2 dofblur9 = dofblur * 0.9;
+    	vec2 dofblur7 = dofblur * 0.7;
+    	vec2 dofblur4 = dofblur * 0.4;
+
+    	vec4 col = vec4( 0.0 );
+
+    	col += texture2D( tColor, vUv.xy );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.0,   0.4  ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.15,  0.37 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.29,  0.29 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.37,  0.15 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.40,  0.0  ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.37, -0.15 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.29, -0.29 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.15, -0.37 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.0,  -0.4  ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.15,  0.37 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.29,  0.29 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.37,  0.15 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.4,   0.0  ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.37, -0.15 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.29, -0.29 ) * aspectcorrect ) * dofblur );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.15, -0.37 ) * aspectcorrect ) * dofblur );
+
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.15,  0.37 ) * aspectcorrect ) * dofblur9 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.37,  0.15 ) * aspectcorrect ) * dofblur9 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.37, -0.15 ) * aspectcorrect ) * dofblur9 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.15, -0.37 ) * aspectcorrect ) * dofblur9 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.15,  0.37 ) * aspectcorrect ) * dofblur9 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.37,  0.15 ) * aspectcorrect ) * dofblur9 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.37, -0.15 ) * aspectcorrect ) * dofblur9 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.15, -0.37 ) * aspectcorrect ) * dofblur9 );
+
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.29,  0.29 ) * aspectcorrect ) * dofblur7 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.40,  0.0  ) * aspectcorrect ) * dofblur7 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.29, -0.29 ) * aspectcorrect ) * dofblur7 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.0,  -0.4  ) * aspectcorrect ) * dofblur7 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.29,  0.29 ) * aspectcorrect ) * dofblur7 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.4,   0.0  ) * aspectcorrect ) * dofblur7 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.29, -0.29 ) * aspectcorrect ) * dofblur7 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.0,   0.4  ) * aspectcorrect ) * dofblur7 );
+
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.29,  0.29 ) * aspectcorrect ) * dofblur4 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.4,   0.0  ) * aspectcorrect ) * dofblur4 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.29, -0.29 ) * aspectcorrect ) * dofblur4 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.0,  -0.4  ) * aspectcorrect ) * dofblur4 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.29,  0.29 ) * aspectcorrect ) * dofblur4 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.4,   0.0  ) * aspectcorrect ) * dofblur4 );
+    	col += texture2D( tColor, vUv.xy + ( vec2( -0.29, -0.29 ) * aspectcorrect ) * dofblur4 );
+    	col += texture2D( tColor, vUv.xy + ( vec2(  0.0,   0.4  ) * aspectcorrect ) * dofblur4 );
+
+    	gl_FragColor = col / 41.0;
+    	gl_FragColor.a = 1.0;
+
+    }
+  `
+  )
+};
+exports.BokehShader = BokehShader;
+//# sourceMappingURL=BokehShader.cjs.map