Initial project import

node_modules/three-stdlib/shaders/BrightnessContrastShader.cjs

@@ -0,0 +1,49 @@
+"use strict";
+Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
+const BrightnessContrastShader = {
+  uniforms: {
+    tDiffuse: { value: null },
+    brightness: { value: 0 },
+    contrast: { value: 0 }
+  },
+  vertexShader: (
+    /* glsl */
+    `
+    varying vec2 vUv;
+
+    void main() {
+
+    	vUv = uv;
+
+    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+
+    }
+  `
+  ),
+  fragmentShader: (
+    /* glsl */
+    `
+    uniform sampler2D tDiffuse;
+    uniform float brightness;
+    uniform float contrast;
+
+    varying vec2 vUv;
+
+    void main() {
+
+    	gl_FragColor = texture2D( tDiffuse, vUv );
+
+    	gl_FragColor.rgb += brightness;
+
+    	if (contrast > 0.0) {
+    		gl_FragColor.rgb = (gl_FragColor.rgb - 0.5) / (1.0 - contrast) + 0.5;
+    	} else {
+    		gl_FragColor.rgb = (gl_FragColor.rgb - 0.5) * (1.0 + contrast) + 0.5;
+    	}
+
+    }
+  `
+  )
+};
+exports.BrightnessContrastShader = BrightnessContrastShader;
+//# sourceMappingURL=BrightnessContrastShader.cjs.map