969f602dd4
Fixed-step world runtime, event bus wire protocol between lanes, integration seam (game.ts) with placeholder ball. Lanes A/B/C own disjoint dirs. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
25 lines
671 B
JavaScript
25 lines
671 B
JavaScript
import { float, Fn, vec3, vec4, min, max, mix, luminance } from 'three/tsl';
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export const bleach = /*@__PURE__*/ Fn( ( [ color, opacity = 1 ] ) => {
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const base = color;
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const lum = luminance( base.rgb );
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const blend = vec3( lum );
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const L = min( 1.0, max( 0.0, float( 10.0 ).mul( lum.sub( 0.45 ) ) ) );
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const result1 = blend.mul( base.rgb ).mul( 2.0 );
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const result2 = float( 2.0 ).mul( blend.oneMinus() ).mul( base.rgb.oneMinus() ).oneMinus();
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const newColor = mix( result1, result2, L );
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const A2 = base.a.mul( opacity );
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const mixRGB = A2.mul( newColor.rgb );
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mixRGB.addAssign( base.rgb.mul( A2.oneMinus() ) );
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return vec4( mixRGB, base.a );
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} );
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