hive/engine/grid/coordinate/
hex.rs

1use std::fmt::{Display, Formatter, Result};
2
3use serde::{Deserialize, Serialize};
4
5use crate::engine::grid::coordinate::cube::Cube;
6
7#[derive(Debug, Hash, Eq, PartialEq, Clone, Copy, Ord, PartialOrd, Serialize, Deserialize)]
8pub struct Hex {
9  pub q: i64,
10  pub r: i64,
11}
12
13impl Hex {
14  pub fn new(q: i64, r: i64) -> Hex {
15    Hex { q, r }
16  }
17
18  pub fn zero() -> Hex {
19    Hex { q: 0, r: 0 }
20  }
21
22  pub fn neighbors(&self) -> Vec<Hex> {
23    let q = self.q;
24    let r = self.r;
25
26    let neighbors: Vec<Hex> = vec![
27      Hex::new(q + 1, r - 1),
28      Hex::new(q + 1, r),
29      Hex::new(q, r + 1),
30      Hex::new(q - 1, r + 1),
31      Hex::new(q - 1, r),
32      Hex::new(q, r - 1),
33    ];
34
35    neighbors
36  }
37}
38
39impl From<Cube> for Hex {
40  fn from(cube: Cube) -> Self {
41    Hex {
42      q: cube.x,
43      r: cube.z,
44    }
45  }
46}
47
48impl Display for Hex {
49  fn fmt(&self, f: &mut Formatter) -> Result {
50    let mut str: String = self.q.to_string() + "," + self.r.to_string().as_str();
51
52    if str.len() <= 6 {
53      for i in str.len()..8 {
54        if i % 2 == 1 {
55          str = " ".to_owned() + &str;
56        } else {
57          str += " ";
58        }
59      }
60      write!(f, "{}", str)
61    } else {
62      write!(f, "   ?,?  ")
63    }
64  }
65}
hive/engine/grid/coordinate/hex.rs

hive/engine/grid/coordinate/
hex.rs
