paiagram_core/units/
speed.rs

1use std::ops;
2
3use bevy::prelude::Reflect;
4use derive_more::{Add, AddAssign, Sub, SubAssign};
5
6use super::distance::Distance;
7use super::time::Duration;
8
9/// The speed represented in m/s
10#[derive(Reflect, Debug, Clone, Copy, Add, AddAssign, Sub, SubAssign)]
11pub struct Velocity(pub f32);
12
13impl std::fmt::Display for Velocity {
14    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
15        write!(f, "{:.2}m/s", self.0)
16    }
17}
18
19impl ops::Mul<f32> for Velocity {
20    type Output = Velocity;
21    fn mul(self, rhs: f32) -> Self::Output {
22        Self(self.0 * rhs)
23    }
24}
25
26impl ops::MulAssign<f32> for Velocity {
27    fn mul_assign(&mut self, rhs: f32) {
28        self.0 *= rhs
29    }
30}
31
32impl ops::Div<f32> for Velocity {
33    type Output = Self;
34    fn div(self, rhs: f32) -> Self::Output {
35        Self(self.0 / rhs)
36    }
37}
38
39impl ops::DivAssign<f32> for Velocity {
40    fn div_assign(&mut self, rhs: f32) {
41        self.0 /= rhs
42    }
43}
44
45impl ops::Mul<Duration> for Velocity {
46    type Output = Distance;
47    fn mul(self, rhs: Duration) -> Self::Output {
48        Distance((self.0 * rhs.0 as f32).round() as i32)
49    }
50}
51
52impl ops::Div<Velocity> for Distance {
53    type Output = Duration;
54    fn div(self, rhs: Velocity) -> Self::Output {
55        if rhs.0 == 0.0 {
56            return Duration(0);
57        }
58        Duration((self.0 as f32 / rhs.0).round() as i32)
59    }
60}
61
62impl ops::Div<Duration> for Distance {
63    type Output = Velocity;
64    fn div(self, rhs: Duration) -> Self::Output {
65        if rhs.0 == 0 {
66            return Velocity(0.0);
67        }
68        Velocity(self.0 as f32 / rhs.0 as f32)
69    }
70}
paiagram_core/units/speed.rs

paiagram_core/units/
speed.rs
