Initial project import

node_modules/three-stdlib/shaders/AfterimageShader.cjs

@@ -0,0 +1,52 @@
+"use strict";
+Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
+const AfterimageShader = {
+  uniforms: {
+    damp: { value: 0.96 },
+    tOld: { value: null },
+    tNew: { value: null }
+  },
+  vertexShader: (
+    /* glsl */
+    `
+    varying vec2 vUv;
+
+    void main() {
+
+    	vUv = uv;
+    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+
+    }
+  `
+  ),
+  fragmentShader: (
+    /* glsl */
+    `
+    uniform float damp;
+
+    uniform sampler2D tOld;
+    uniform sampler2D tNew;
+
+    varying vec2 vUv;
+
+    vec4 when_gt( vec4 x, float y ) {
+
+    	return max( sign( x - y ), 0.0 );
+
+    }
+
+    void main() {
+
+    	vec4 texelOld = texture2D( tOld, vUv );
+    	vec4 texelNew = texture2D( tNew, vUv );
+
+    	texelOld *= damp * when_gt( texelOld, 0.1 );
+
+    	gl_FragColor = max(texelNew, texelOld);
+
+    }
+  `
+  )
+};
+exports.AfterimageShader = AfterimageShader;
+//# sourceMappingURL=AfterimageShader.cjs.map