| Name | Type | Description |
|---|---|---|
| position | vec3<f32> | 3D position to evaluate. |
| radius | vec3<f32> | Radii along each axis. |
fn sdfEllipsoid(position: vec3<f32>, radius: vec3<f32>) -> f32 {let k0 = length(position / radius);let k1 = length(position / (radius * radius));return k0 * (k0 - 1.0) / k1;}
distance function for a circle.
distance function for a rectangular box.
two SDFs using union operation (closest surface).
two SDFs using intersection operation (overlapping area only).
two SDFs using subtraction operation (first shape minus second).
a signed distance field for a 3D box frame (hollow box).
a signed distance field for a capped torus.
a signed distance field for a capsule (cylinder with rounded caps).
a signed distance field for a cone.
a signed distance field for a cylinder.
a signed distance field for a gyroid surface.
a signed distance field for a hexagonal prism.
a signed distance field for an icosahedron.
a signed distance field for a 4D Julia set fractal.
a signed distance field for an octahedron.
a signed distance field for an infinite plane.
a signed distance field for a pyramid.
a signed distance field for a rhombus.
a signed distance field for a rounded box.
a signed distance field for a rounded cone.
a signed distance field for a rounded cylinder.
a signed distance field for a sphere.
a signed distance field for a tetrahedron.
a signed distance field for a torus.
a signed distance field for a triangular prism.
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 { sdfEllipsoid, getFns } from 'wgsl-fns'getFns(['sdfEllipsoid'])