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https://github.com/jiawanlong/Cesium-Examples.git
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46 lines
676 B
JavaScript
46 lines
676 B
JavaScript
/**
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* Unpack RGBA depth shader
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* - show RGBA encoded depth as monochrome color
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*/
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const 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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#include <packing>
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void main() {
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float depth = 1.0 - unpackRGBAToDepth( texture2D( tDiffuse, vUv ) );
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gl_FragColor = vec4( vec3( depth ), opacity );
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}`
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};
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export { UnpackDepthRGBAShader };
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