nurtex_protocol/types/
rotation.rs

1use std::io::{self, Cursor, Write};
2
3use nurtex_codec::Buffer;
4
5/// Структура ротации
6#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
7pub struct Rotation {
8  pub yaw: f32,
9  pub pitch: f32,
10}
11
12impl Rotation {
13  /// Метод создания нового экземпляра `Rotation`
14  pub fn new(yaw: f32, pitch: f32) -> Self {
15    Self { yaw, pitch }
16  }
17
18  /// Метод создания `Rotation` из угла
19  pub fn from_angle(yaw_angle: i8, pitch_angle: i8) -> Self {
20    let yaw = (yaw_angle as f32) / 256.0 * 360.0;
21    let pitch = (pitch_angle as f32) / 256.0 * 360.0;
22
23    Self { yaw, pitch }
24  }
25
26  /// Метод создания нулевой ротации
27  pub fn zero() -> Self {
28    Self { yaw: 0.0, pitch: 0.0 }
29  }
30
31  /// Метод вычисления разницы между текущей и другой ротацией
32  pub fn delta(&self, other: Rotation) -> Self {
33    let dyaw = self.yaw - other.yaw;
34    let dpitch = self.pitch - other.pitch;
35
36    Self { yaw: dyaw, pitch: dpitch }
37  }
38}
39
40impl Buffer for Rotation {
41  fn read_buf(buffer: &mut Cursor<&[u8]>) -> Option<Self> {
42    Some(Self {
43      yaw: f32::read_buf(buffer)?,
44      pitch: f32::read_buf(buffer)?,
45    })
46  }
47
48  fn write_buf(&self, buffer: &mut impl Write) -> io::Result<()> {
49    self.yaw.write_buf(buffer)?;
50    self.pitch.write_buf(buffer)?;
51    Ok(())
52  }
53}
nurtex_protocol/types/rotation.rs

nurtex_protocol/types/
rotation.rs
