61 lines
972 B
JavaScript
61 lines
972 B
JavaScript
/**
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* @module UnpackDepthRGBAShader
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* @three_import import { UnpackDepthRGBAShader } from 'three/addons/shaders/UnpackDepthRGBAShader.js';
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*/
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/**
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* Depth visualization shader that shows depth values as monochrome color.
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*
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* @constant
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* @type {ShaderMaterial~Shader}
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*/
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const UnpackDepthRGBAShader = {
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name: 'UnpackDepthRGBAShader',
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uniforms: {
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'tDiffuse': { value: null },
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'opacity': { value: 1.0 }
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},
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vertexShader: /* glsl */`
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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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fragmentShader: /* glsl */`
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uniform float opacity;
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uniform sampler2D tDiffuse;
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varying vec2 vUv;
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void main() {
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float depth = texture2D( tDiffuse, vUv ).r;
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#ifdef USE_REVERSED_DEPTH_BUFFER
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gl_FragColor = vec4( vec3( depth ), opacity );
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#else
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gl_FragColor = vec4( vec3( 1.0 - depth ), opacity );
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#endif
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}`
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};
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export { UnpackDepthRGBAShader };
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