1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
mod arc_geometry;
mod box_geometry;
mod plane_geometry;
mod polyhedron_geometry;
mod sphere_geometry;
pub use arc_geometry::Arc3D;
pub use box_geometry::Box;
pub use plane_geometry::Plane;
pub use polyhedron_geometry::Polyhedron;
pub use sphere_geometry::Sphere;
#[derive(Copy, Clone, Debug, PartialOrd, PartialEq, Default)]
pub struct Point3D {
pub x: f32,
pub y: f32,
pub z: f32,
}
impl Point3D {
pub fn new(x: f32, y: f32, z: f32) -> Self {
Self { x, y, z }
}
pub fn length(&self) -> f32 {
(self.x * self.x + self.y * self.y + self.z * self.z).sqrt()
}
pub fn lerp(&self, other: &Point3D, ratio: f32) -> Point3D {
let mut r = *self;
r.x += (other.x - self.x) * ratio;
r.y += (other.y - self.y) * ratio;
r.z += (other.z - self.z) * ratio;
r
}
pub fn normalize(&self) -> Point3D {
self.divide_scalar(self.length())
}
pub fn divide_scalar(&self, scalar: f32) -> Point3D {
self.multiply_scalar(1.0 / scalar)
}
pub fn multiply_scalar(&self, scalar: f32) -> Point3D {
Self {
x: self.x * scalar,
y: self.y * scalar,
z: self.z * scalar,
}
}
}
impl From<[f32; 3]> for Point3D {
fn from([x, y, z]: [f32; 3]) -> Self {
Self { x, y, z }
}
}
impl From<Point3D> for [f32; 3] {
fn from(p: Point3D) -> Self {
[p.x, p.y, p.z]
}
}