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Add ASCII art to custom mesh example (#15261) (#15266)

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Added ASCII art to the custom mesh example, to clarify the ordering of
the triangle indices.
Fixes #15261.
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Wybe Westra 2024-09-19 23:47:32 +02:00 committed by GitHub
parent 40b05b2116
commit 13ca08f32d
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examples/3d/generate_custom_mesh.rs
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@ -224,6 +224,34 @@ fn create_cube_mesh() -> Mesh {
// should appear counter-clockwise from the front of the triangle, in this case from outside the cube). // should appear counter-clockwise from the front of the triangle, in this case from outside the cube).
// Read more about how to correctly build a mesh manually in the Bevy documentation of a Mesh, // Read more about how to correctly build a mesh manually in the Bevy documentation of a Mesh,
// further examples and the implementation of the built-in shapes. // further examples and the implementation of the built-in shapes.
//
// The first two defined triangles look like this (marked with the vertex indices,
// and the axis), when looking down at the top (+y) of the cube:
// -Z
// ^
// 0---1
// | /|
// | / | -> +X
// |/ |
// 3---2
//
// The right face's (+x) triangles look like this, seen from the outside of the cube.
// +Y
// ^
// 10--11
// | /|
// | / | -> -Z
// |/ |
// 9---8
//
// The back face's (+z) triangles look like this, seen from the outside of the cube.
// +Y
// ^
// 17--18
// |\ |
// | \ | -> +X
// | \|
// 16--19
.with_inserted_indices(Indices::U32(vec![ .with_inserted_indices(Indices::U32(vec![
0,3,1 , 1,3,2, // triangles making up the top (+y) facing side. 0,3,1 , 1,3,2, // triangles making up the top (+y) facing side.
4,5,7 , 5,6,7, // bottom (-y) 4,5,7 , 5,6,7, // bottom (-y)