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Prevent self-intersection of faces

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The way the vertices were order previously, the faces they defined would
have self-intersected.

This wasn't relevant, since I've been doing the triangulation manually.
But it's becoming relevant now, as I'm automating that.
This commit is contained in:
Hanno Braun 2025-01-10 18:38:19 +01:00
parent cb9388c7fa
commit dc904e3bc1
1 changed files with 11 additions and 11 deletions
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22
experiments/2024-12-09/src/model.rs
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@ -20,7 +20,7 @@ pub fn model(shape: &mut Shape) {
let top = surfaces.insert(bottom.translate([0., 0., 1.]));
let sketch =
Sketch::from([[-0.5, -0.5], [0.5, -0.5], [-0.5, 0.5], [0.5, 0.5]]);
Sketch::from([[-0.5, -0.5], [0.5, -0.5], [0.5, 0.5], [-0.5, 0.5]]);
let (a, b, c, d, e, f, g, h) = shape
.extend_with(&mut vertices)
@ -39,16 +39,16 @@ pub fn model(shape: &mut Shape) {
shape
.extend_with(&mut triangles)
.add([a, e, g]) // left
.add([a, g, c])
.add([b, d, h]) // right
.add([b, h, f])
.add([a, e, h]) // left
.add([a, h, d])
.add([b, c, g]) // right
.add([b, g, f])
.add([a, b, f]) // front
.add([a, f, e])
.add([c, h, d]) // back
.add([c, g, h])
.add([a, c, b]) // bottom
.add([b, c, d])
.add([e, f, h]) // top
.add([e, h, g]);
.add([d, g, c]) // back
.add([d, h, g])
.add([a, d, b]) // bottom
.add([b, d, c])
.add([e, f, g]) // top
.add([e, g, h]);
}