Function push_quad

perro_source/core/perro_builtin_meshes/src/lib.rs:464–474

(
    vertices: &mut Vec<BuiltinMeshVertex>,
    indices: &mut Vec<u16>,
    a: [f32; 3],
    b: [f32; 3],
    c: [f32; 3],
    d: [f32; 3],
)

}

fn push_quad(
    vertices: &mut Vec<BuiltinMeshVertex>,
    indices: &mut Vec<u16>,
    a: [f32; 3],
    b: [f32; 3],
    c: [f32; 3],
    d: [f32; 3],
) {
    push_triangle(vertices, indices, a, b, c);
    push_triangle(vertices, indices, a, c, d);
}

fn push_index_triangle_outward(
    vertices: &[BuiltinMeshVertex],