three
Version:
JavaScript 3D library
20 lines (12 loc) • 543 B
JavaScript
import { Fn, vec2 } from '../tsl/TSLBase.js';
import { rotate } from './RotateNode.js';
export const rotateUV = /*@__PURE__*/ Fn( ( [ uv, rotation, center = vec2( 0.5 ) ] ) => {
return rotate( uv.sub( center ), rotation ).add( center );
} );
export const spherizeUV = /*@__PURE__*/ Fn( ( [ uv, strength, center = vec2( 0.5 ) ] ) => {
const delta = uv.sub( center );
const delta2 = delta.dot( delta );
const delta4 = delta2.mul( delta2 );
const deltaOffset = delta4.mul( strength );
return uv.add( delta.mul( deltaOffset ) );
} );