import { Fn, float, uv, Loop, int } from 'three/tsl'; export const motionBlur = /*@__PURE__*/ Fn( ( [ inputNode, velocity, numSamples = int( 16 ) ] ) => { const sampleColor = ( uv ) => inputNode.uv( uv ); const uvs = uv(); const colorResult = sampleColor( uvs ).toVar(); const fSamples = float( numSamples ); Loop( { start: int( 1 ), end: numSamples, type: 'int', condition: '<=' }, ( { i } ) => { const offset = velocity.mul( float( i ).div( fSamples.sub( 1 ) ).sub( 0.5 ) ); colorResult.addAssign( sampleColor( uvs.add( offset ) ) ); } ); colorResult.divAssign( fSamples ); return colorResult; } );