An ASCII effect for THREE.js - which runs as a fragment shader on the GPU. Inspired by https://github.com/darkroomengineering/aniso.
interfaceIASCIIEffectProps{characters?: string;// The ASCII characters to use in brightness order dark -> lightfontSize?: number;// Font Size of the characters drawn to the texturecellSize?: number;// Size of each cell in the gridcolor?: string;// Color of the charactersinvert?: boolean;// Flag which inverts the effect}importReactfrom'react';import{Canvas}from'@react-three/fiber';import{EffectComposer}from'@react-three/postprocessing';constScene=()=>{constasciiEffect=React.useMemo(()=>newASCIIEffect(),[]);return(<Canvas><mesh><boxGeometryargs={[1,1,1]}/><meshPhongMaterial/></mesh><pointLightposition={[0,0,10]}/><EffectComposer><primitiveobject={asciiEffect}/></EffectComposer></Canvas>);};