gl_utils/util/
mod.rs

1//! Utility functions
2
3use math_utils as math;
4use math_utils::geometry;
5
6use crate::vertex;
7
8pub mod gltf;
9
10pub fn aabb_to_vertex (aabb : geometry::Aabb3 <f32>)
11  -> vertex::Vert3dOrientationScaleColor
12{
13  let position    = aabb.center().0.into_array();
14  let orientation = math::Matrix3::identity().into_col_arrays();
15  let scale       = aabb.dimensions().map (|d| *d * 0.5).into_array();
16  let color       = [1.0, 1.0, 1.0, 1.0];
17  vertex::Vert3dOrientationScaleColor { position, orientation, scale, color }
18}
19
20pub fn capsule_to_vertex (capsule : geometry::Capsule3 <f32>)
21  -> vertex::Vert3dOrientationScaleColor
22{
23  let position    = capsule.center.0.into_array();
24  let orientation = math::Matrix3::identity().into_col_arrays();
25  let scale       = [
26    *capsule.radius,
27    *capsule.radius,
28    *capsule.radius + *capsule.half_height
29  ];
30  let color       = [1.0, 1.0, 1.0, 1.0];
31  vertex::Vert3dOrientationScaleColor { position, orientation, scale, color }
32}
33
34pub fn cylinder_to_vertex (cylinder : geometry::Cylinder3 <f32>)
35  -> vertex::Vert3dOrientationScaleColor
36{
37  let position    = cylinder.center.0.into_array();
38  let orientation = math::Matrix3::identity().into_col_arrays();
39  let scale       = [
40    *cylinder.radius,
41    *cylinder.radius,
42    *cylinder.radius + *cylinder.half_height
43  ];
44  let color       = [1.0, 1.0, 1.0, 1.0];
45  vertex::Vert3dOrientationScaleColor { position, orientation, scale, color }
46}
47
48pub fn sphere_to_vertex (sphere : geometry::Sphere3 <f32>)
49  -> vertex::Vert3dOrientationScaleColor
50{
51  let position    = sphere.center.0.into_array();
52  let orientation = math::Matrix3::identity().into_col_arrays();
53  let scale       = [*sphere.radius, *sphere.radius, *sphere.radius];
54  let color       = [1.0, 1.0, 1.0, 1.0];
55  vertex::Vert3dOrientationScaleColor { position, orientation, scale, color }
56}
57
58pub fn obb_to_vertex (obb : geometry::Obb3 <f32>)
59  -> vertex::Vert3dOrientationScaleColor
60{
61  let position    = obb.center.0.into_array();
62  let orientation = math::Rotation3::from (obb.orientation).mat().into_col_arrays();
63  let scale       = obb.extents.map (|e| *e).into_array();
64  let color       = [1.0, 1.0, 1.0, 1.0];
65  vertex::Vert3dOrientationScaleColor { position, orientation, scale, color }
66}
gl_utils/util/mod.rs

gl_utils/util/
mod.rs
