an elastic wave with exponential decay and sinusoidal oscillation.
| Name | Type | Description |
|---|---|---|
| x | f32 | Input position along the wave. |
| amplitude | f32 | Wave amplitude multiplier. |
| frequency | f32 | Wave frequency. |
| decay | f32 | Exponential decay factor. |
| phase | f32 | Phase offset for the wave. |
fn elasticWave(x: f32, amplitude: f32, frequency: f32, decay: f32, phase: f32) -> f32 {let d = max(0.001, decay);let decayTerm = exp(-d * x);let oscTerm = sin(frequency * x * 6.28318 + phase);return amplitude * decayTerm * oscTerm;}
interpolation between two values with smooth acceleration and deceleration.
interpolation between two vectors with smooth acceleration and deceleration.
a 2D vector by a given angle.
an exponential ramp function with derivative.
a logistic (S-curve) function with derivative.
a stepped sequence with optional smoothing between steps.
series inverse square root approximation for Perlin noise.
A JavaScript library providing WGSL utility functions as strings for WebGPU shader development. Includes mathematical utilities, noise generation, signed distance fields, and color manipulation functions.
npm install wgsl-fnsimport { elasticWave, getFns } from 'wgsl-fns'getFns(['elasticWave'])