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MathNode: New cbrt Function for Easy Cube Root Calculations #27497

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merged 2 commits into from
Jan 4, 2024
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MathNode: New cbrt Function for Easy Cube Root Calculations #27497

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9d01bf5
add cbrt
RenaudRohlinger Jan 4, 2024
c2ae710
Move to TSL only
sunag Jan 4, 2024
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2 changes: 1 addition & 1 deletion examples/jsm/nodes/Nodes.js
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Expand Up @@ -39,7 +39,7 @@ import * as NodeUtils from './core/NodeUtils.js';
export { NodeUtils };

// math
export { default as MathNode, EPSILON, INFINITY, radians, degrees, exp, exp2, log, log2, sqrt, inverseSqrt, floor, ceil, normalize, fract, sin, cos, tan, asin, acos, atan, abs, sign, length, negate, oneMinus, dFdx, dFdy, round, reciprocal, trunc, fwidth, bitcast, atan2, min, max, mod, step, reflect, distance, difference, dot, cross, pow, pow2, pow3, pow4, transformDirection, mix, clamp, saturate, refract, smoothstep, faceForward } from './math/MathNode.js';
export { default as MathNode, EPSILON, INFINITY, radians, degrees, exp, exp2, log, log2, sqrt, inverseSqrt, floor, ceil, normalize, fract, sin, cos, tan, asin, acos, atan, abs, sign, length, negate, oneMinus, dFdx, dFdy, round, reciprocal, trunc, fwidth, bitcast, atan2, min, max, mod, step, reflect, distance, difference, dot, cross, pow, pow2, pow3, pow4, transformDirection, mix, clamp, saturate, refract, smoothstep, faceForward, cbrt } from './math/MathNode.js';
export { default as OperatorNode, add, sub, mul, div, remainder, equal, lessThan, greaterThan, lessThanEqual, greaterThanEqual, and, or, xor, bitAnd, bitOr, bitXor, shiftLeft, shiftRight } from './math/OperatorNode.js';
export { default as CondNode, cond } from './math/CondNode.js';
export { default as HashNode, hash } from './math/HashNode.js';
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2 changes: 2 additions & 0 deletions examples/jsm/nodes/math/MathNode.js
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Expand Up @@ -297,6 +297,7 @@ export const pow3 = nodeProxy( MathNode, MathNode.POW, 3 );
export const pow4 = nodeProxy( MathNode, MathNode.POW, 4 );
export const transformDirection = nodeProxy( MathNode, MathNode.TRANSFORM_DIRECTION );

export const cbrt = ( a ) => mul( sign( a ), pow( abs( a ), 1.0 / 3.0 ) );
export const mix = nodeProxy( MathNode, MathNode.MIX );
export const clamp = ( value, low = 0, high = 1 ) => nodeObject( new MathNode( MathNode.CLAMP, nodeObject( value ), nodeObject( low ), nodeObject( high ) ) );
export const saturate = ( value ) => clamp( value );
Expand Down Expand Up @@ -357,5 +358,6 @@ addNodeElement( 'smoothstep', smoothstepElement );
addNodeElement( 'faceForward', faceForward );
addNodeElement( 'difference', difference );
addNodeElement( 'saturate', saturate );
addNodeElement( 'cbrt', cbrt );

addNodeClass( 'MathNode', MathNode );