taxicab_map/joint/
mod.rs

1use crate::Direction;
2use serde::{Deserialize, Serialize};
3use std::fmt::{Debug, Display, Formatter};
4
5#[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Serialize, Deserialize)]
6pub struct Joint {
7    pub x: isize,
8    pub y: isize,
9    pub direction: Direction,
10}
11
12impl Debug for Joint {
13    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
14        f.debug_struct("Joint").field("x", &self.x).field("y", &self.y).field("direction", &self.direction.to_string()).finish()
15    }
16}
17
18impl Display for Joint {
19    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
20        f.debug_tuple("Joint").field(&self.x).field(&self.y).field(&self.direction.to_string()).finish()
21    }
22}
23
24impl Joint {
25    pub fn new(x: isize, y: isize, direction: Direction) -> Self {
26        Self { x, y, direction }
27    }
28    pub fn from_point((x1, y1): (isize, isize), (x2, y2): (isize, isize)) -> Option<Self> {
29        if x1 == x2 {
30            if y1 == y2 + 1 {
31                return Some(Self::new(x1, y1, Direction::Y(false)));
32            }
33            else if y1 == y2 - 1 {
34                return Some(Self::new(x1, y1, Direction::Y(true)));
35            }
36        }
37        else if y1 == y2 {
38            if x1 == x2 + 1 {
39                return Some(Self::new(x1, y1, Direction::X(false)));
40            }
41            else if x1 == x2 - 1 {
42                return Some(Self::new(x1, y1, Direction::X(true)));
43            }
44        }
45        None
46    }
47
48    pub fn source(&self) -> (isize, isize) {
49        (self.x, self.y)
50    }
51    pub fn target(&self) -> (isize, isize) {
52        match self.direction {
53            Direction::X(true) => (self.x + 1, self.y),
54            Direction::X(false) => (self.x - 1, self.y),
55            Direction::Y(true) => (self.x, self.y + 1),
56            Direction::Y(false) => (self.x, self.y - 1),
57        }
58    }
59}
taxicab_map/joint/mod.rs

taxicab_map/joint/
mod.rs
