Initial commit

HTML/ThreeJS/node_modules/three/examples/jsm/shaders/UnpackDepthRGBAShader.js

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+/**
+ * Unpack RGBA depth shader
+ * - show RGBA encoded depth as monochrome color
+ */
+
+const UnpackDepthRGBAShader = {
+
+	uniforms: {
+
+		'tDiffuse': { value: null },
+		'opacity': { value: 1.0 }
+
+	},
+
+	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 );
+
+		}`
+
+};
+
+export { UnpackDepthRGBAShader };