Initial project import

node_modules/three-stdlib/shaders/TriangleBlurShader.cjs

@@ -0,0 +1,61 @@
+"use strict";
+Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
+const THREE = require("three");
+const TriangleBlurShader = {
+  uniforms: {
+    texture: { value: null },
+    delta: { value: /* @__PURE__ */ new THREE.Vector2(1, 1) }
+  },
+  vertexShader: (
+    /* glsl */
+    `
+    varying vec2 vUv;
+
+    void main() {
+
+    	vUv = uv;
+    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+
+    }
+  `
+  ),
+  fragmentShader: (
+    /* glsl */
+    `
+    #include <common>
+
+    #define ITERATIONS 10.0
+
+    uniform sampler2D texture;
+    uniform vec2 delta;
+
+    varying vec2 vUv;
+
+    void main() {
+
+    	vec4 color = vec4( 0.0 );
+
+    	float total = 0.0;
+
+    // randomize the lookup values to hide the fixed number of samples
+
+    	float offset = rand( vUv );
+
+    	for ( float t = -ITERATIONS; t <= ITERATIONS; t ++ ) {
+
+    		float percent = ( t + offset - 0.5 ) / ITERATIONS;
+    		float weight = 1.0 - abs( percent );
+
+    		color += texture2D( texture, vUv + delta * percent ) * weight;
+    		total += weight;
+
+    	}
+
+    	gl_FragColor = color / total;
+
+    }
+  `
+  )
+};
+exports.TriangleBlurShader = TriangleBlurShader;
+//# sourceMappingURL=TriangleBlurShader.cjs.map