Parameters
| Name | Type | Description |
|---|---|---|
| position | vec3<f32> | 3D position to evaluate. |
| size | vec3<f32> | Half-extents of the box. |
| thickness | f32 | Wall thickness of the frame. |
Returns
f32distance to the box frame surface.
WGSL Code
fn sdfBoxFrame(position: vec3<f32>, size: vec3<f32>, thickness: f32) -> f32 {let q = abs(position) - size;let w = abs(q + thickness) - thickness;return min(min(length(max(vec3<f32>(q.x, w.y, w.z), vec3<f32>(0.0))) + min(max(q.x, max(w.y, w.z)), 0.0),length(max(vec3<f32>(w.x, q.y, w.z), vec3<f32>(0.0))) + min(max(w.x, max(q.y, w.z)), 0.0)),length(max(vec3<f32>(w.x, w.y, q.z), vec3<f32>(0.0))) + min(max(w.x, max(w.y, q.z)), 0.0));}