three-stdlib/shaders/UnpackDepthRGBAShader.cjs

stand-alone library of threejs examples

"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const UnpackDepthRGBAShader = {
  uniforms: {
    tDiffuse: { value: null },
    opacity: { value: 1 }
  },
  vertexShader: (
    /* glsl */
    `
    varying vec2 vUv;

    void main() {

    	vUv = uv;
    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );

    }
  `
  ),
  fragmentShader: (
    /* glsl */
    `
    uniform float opacity;

    uniform sampler2D tDiffuse;

    varying vec2 vUv;

    #include <packing>

    void main() {

    	float depth = 1.0 - unpackRGBAToDepth( texture2D( tDiffuse, vUv ) );
    	gl_FragColor = vec4( vec3( depth ), opacity );

    }
  `
  )
};
exports.UnpackDepthRGBAShader = UnpackDepthRGBAShader;
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