47cf47f624
Complete 3D metaverse platform with: - Three.js 3D rendering - Cannon.js physics engine - Pointer lock controls - Procedural cityscape - Floating islands - Portal system - Particle effects - WebXR/VR support ready - Multiplayer ready (Socket.io) Features: - First-person controls (WASD + mouse) - Jump and run mechanics - Chat system - Real-time HUD - Loading screen - Responsive design Built with Vite for fast builds and hot reload. 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
53 lines
936 B
JavaScript
53 lines
936 B
JavaScript
/**
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* Sepia tone shader
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* based on glfx.js sepia shader
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* https://github.com/evanw/glfx.js
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*/
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const SepiaShader = {
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name: 'SepiaShader',
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uniforms: {
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'tDiffuse': { value: null },
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'amount': { value: 1.0 }
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},
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vertexShader: /* glsl */`
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varying vec2 vUv;
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void main() {
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vUv = uv;
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gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
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}`,
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fragmentShader: /* glsl */`
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uniform float amount;
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uniform sampler2D tDiffuse;
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varying vec2 vUv;
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void main() {
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vec4 color = texture2D( tDiffuse, vUv );
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vec3 c = color.rgb;
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color.r = dot( c, vec3( 1.0 - 0.607 * amount, 0.769 * amount, 0.189 * amount ) );
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color.g = dot( c, vec3( 0.349 * amount, 1.0 - 0.314 * amount, 0.168 * amount ) );
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color.b = dot( c, vec3( 0.272 * amount, 0.534 * amount, 1.0 - 0.869 * amount ) );
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gl_FragColor = vec4( min( vec3( 1.0 ), color.rgb ), color.a );
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}`
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};
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export { SepiaShader };
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