taoge_xiaodi/td_official
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

最新代码

Browse Source
This commit is contained in:
Teo
2025-07-29 11:22:30 +08:00
parent d503e64098
commit b01d143ea6
1490 changed files with 680232 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
public/sdk/three/jsm/nodes/math/MathUtils.js Normal file
View File

@ -0,0 +1,15 @@
import { sub, mul, div, add } from './OperatorNode.js';
import { addNodeElement } from '../shadernode/ShaderNode.js';
import { PI, pow, sin } from './MathNode.js';
// remapping functions https://iquilezles.org/articles/functions/
export const parabola = ( x, k ) => pow( mul( 4.0, x.mul( sub( 1.0, x ) ) ), k );
export const gain = ( x, k ) => x.lessThan( 0.5 ) ? parabola( x.mul( 2.0 ), k ).div( 2.0 ) : sub( 1.0, parabola( mul( sub( 1.0, x ), 2.0 ), k ).div( 2.0 ) );
export const pcurve = ( x, a, b ) => pow( div( pow( x, a ), add( pow( x, a ), pow( sub( 1.0, x ), b ) ) ), 1.0 / a );
export const sinc = ( x, k ) => sin( PI.mul( k.mul( x ).sub( 1.0 ) ) ).div( PI.mul( k.mul( x ).sub( 1.0 ) ) );
addNodeElement( 'parabola', parabola );
addNodeElement( 'gain', gain );
addNodeElement( 'pcurve', pcurve );
addNodeElement( 'sinc', sinc );