17 lines
371 B
JavaScript
17 lines
371 B
JavaScript
import { dot, Fn, vec3, vec4 } from 'three/tsl';
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export const sepia = /*@__PURE__*/ Fn( ( [ color ] ) => {
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const c = vec3( color );
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// https://github.com/evanw/glfx.js/blob/master/src/filters/adjust/sepia.js
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return vec4(
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dot( c, vec3( 0.393, 0.769, 0.189 ) ),
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dot( c, vec3( 0.349, 0.686, 0.168 ) ),
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dot( c, vec3( 0.272, 0.534, 0.131 ) ),
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color.a
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);
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} );
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