dynamis_model/
shape.rs

1#[derive(Clone, Copy, Debug, PartialEq, Eq)]
2pub struct ShapeSourceHandle {
3    pub id: u32,
4    pub generation: u32,
5}
6
7#[derive(Clone, Copy, Debug, PartialEq)]
8pub enum Shape {
9    Sphere { radius: f32 },
10    Cuboid { half_extents: [f32; 3] },
11    Capsule { radius: f32, half_height: f32 },
12    Cylinder { radius: f32, half_height: f32 },
13    Hull(ShapeSourceHandle),
14    Mesh(ShapeSourceHandle),
15    HeightField(ShapeSourceHandle),
16    Plane,
17}
18
19impl Shape {
20    pub fn sphere(radius: f32) -> Self {
21        assert!(radius > 0.0, "shape radius must be strictly positive");
22        Self::Sphere { radius }
23    }
24
25    pub fn cuboid(half_extents: [f32; 3]) -> Self {
26        assert!(
27            half_extents.iter().all(|extent| *extent > 0.0),
28            "cuboid half extents must be strictly positive"
29        );
30        Self::Cuboid { half_extents }
31    }
32
33    pub fn capsule(radius: f32, half_height: f32) -> Self {
34        assert!(radius > 0.0, "capsule radius must be strictly positive");
35        assert!(
36            half_height >= 0.0,
37            "capsule half height must be non-negative"
38        );
39        Self::Capsule {
40            radius,
41            half_height,
42        }
43    }
44
45    pub fn cylinder(radius: f32, half_height: f32) -> Self {
46        assert!(radius > 0.0, "cylinder radius must be strictly positive");
47        assert!(
48            half_height >= 0.0,
49            "cylinder half height must be non-negative"
50        );
51        Self::Cylinder {
52            radius,
53            half_height,
54        }
55    }
56
57    pub fn hull(source: ShapeSourceHandle) -> Self {
58        Self::Hull(source)
59    }
60
61    pub fn mesh(source: ShapeSourceHandle) -> Self {
62        Self::Mesh(source)
63    }
64
65    pub fn height_field(source: ShapeSourceHandle) -> Self {
66        Self::HeightField(source)
67    }
68
69    pub fn plane() -> Self {
70        Self::Plane
71    }
72
73    pub fn is_world_geometry(&self) -> bool {
74        matches!(self, Self::Mesh(_) | Self::HeightField(_) | Self::Plane)
75    }
76
77    pub fn is_convex(&self) -> bool {
78        !matches!(self, Self::Mesh(_) | Self::HeightField(_) | Self::Plane)
79    }
80}
dynamis_model/shape.rs

dynamis_model/
shape.rs
