mirror of
https://github.com/DanielnetoDotCom/YouPHPTube
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56 lines
923 B
JavaScript
56 lines
923 B
JavaScript
/**
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* Depth-of-field shader using mipmaps
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* - from Matt Handley @applmak
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* - requires power-of-2 sized render target with enabled mipmaps
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*/
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THREE.DOFMipMapShader = {
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uniforms: {
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'tColor': { value: null },
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'tDepth': { value: null },
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'focus': { value: 1.0 },
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'maxblur': { value: 1.0 }
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},
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vertexShader: [
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'varying vec2 vUv;',
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'void main() {',
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' vUv = uv;',
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' gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
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'}'
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].join( '\n' ),
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fragmentShader: [
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'uniform float focus;',
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'uniform float maxblur;',
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'uniform sampler2D tColor;',
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'uniform sampler2D tDepth;',
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'varying vec2 vUv;',
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'void main() {',
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' vec4 depth = texture2D( tDepth, vUv );',
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' float factor = depth.x - focus;',
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' vec4 col = texture2D( tColor, vUv, 2.0 * maxblur * abs( focus - depth.x ) );',
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' gl_FragColor = col;',
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' gl_FragColor.a = 1.0;',
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'}'
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].join( '\n' )
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};
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