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Define triangles by referring to meshes

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This commit is contained in:
Hanno Braun 2024-11-06 20:36:50 +01:00
parent 7051d681ca
commit aff4f5898b
2 changed files with 27 additions and 24 deletions
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4
experiments/2024-10-30/src/geometry.rs
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@ -58,6 +58,10 @@ impl<'r, T> OperationResult<'r, T> {
results: self.results.push_right(vertex),
}
}
pub fn results(self) -> T {
self.results
}
}
#[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd)]

47
experiments/2024-10-30/src/model.rs
View File

@ -3,33 +3,32 @@ use crate::geometry::Operations;
pub fn model() -> anyhow::Result<Operations> {
let mut mesh = Operations::default();
mesh.vertex([-0.5, -0.5, -0.5]) // 0
.vertex([0.5, -0.5, -0.5]) // 1
.vertex([-0.5, 0.5, -0.5]) // 2
.vertex([0.5, 0.5, -0.5]) // 3
.vertex([-0.5, -0.5, 0.5]) // 4
.vertex([0.5, -0.5, 0.5]) // 5
.vertex([-0.5, 0.5, 0.5]) // 6
.vertex([0.5, 0.5, 0.5]); // 7
let (a, b, c, d, e, f, g, h) = mesh
.vertex([-0.5, -0.5, -0.5])
.vertex([0.5, -0.5, -0.5])
.vertex([-0.5, 0.5, -0.5])
.vertex([0.5, 0.5, -0.5])
.vertex([-0.5, -0.5, 0.5])
.vertex([0.5, -0.5, 0.5])
.vertex([-0.5, 0.5, 0.5])
.vertex([0.5, 0.5, 0.5])
.results();
[
[0, 4, 6], // left
[0, 6, 2],
[1, 3, 7], // right
[1, 7, 5],
[0, 1, 5], // front
[0, 5, 4],
[2, 7, 3], // back
[2, 6, 7],
[0, 2, 1], // bottom
[1, 2, 3],
[4, 5, 7], // top
[4, 7, 6],
[a, e, g], // left
[a, g, c],
[b, d, h], // right
[b, h, f],
[a, b, f], // front
[a, f, e],
[c, h, d], // back
[c, g, h],
[a, c, b], // bottom
[b, c, d],
[e, f, h], // top
[e, h, g],
]
.map(|triangle| {
let triangle = triangle.map(|index| mesh.vertices[index]);
mesh.triangle(triangle)
});
.map(|triangle| mesh.triangle(triangle));
Ok(mesh)
}