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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
pub type UVec2 = Vec2<usize>;
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct Vec2<T> {
pub x: T,
pub y: T,
}
impl From<Vec2<isize>> for Vec2<u16> {
fn from(value: Vec2<isize>) -> Self {
Self {
x: value.x as u16,
y: value.y as u16,
}
}
}
impl From<Vec2<u16>> for Vec2<isize> {
fn from(value: Vec2<u16>) -> Self {
Self {
x: value.x as isize,
y: value.y as isize,
}
}
}
impl From<Vec2<f32>> for Vec2<isize> {
fn from(value: Vec2<f32>) -> Self {
Self {
x: value.x as isize,
y: value.y as isize,
}
}
}
impl Vec2<isize> {
pub const ZERO: Vec2<isize> = Vec2 { x: 0, y: 0 };
pub const UP: Vec2<isize> = Vec2 { x: 0, y: -1 };
pub const LEFT: Vec2<isize> = Vec2 { x: -1, y: 0 };
}
impl Vec2<f32> {
pub const ZERO: Vec2<f32> = Vec2 { x: 0.0, y: 0.0 };
pub const UP: Vec2<f32> = Vec2 { x: 0.0, y: -1.0 };
pub const LEFT: Vec2<f32> = Vec2 { x: -1.0, y: 0.0 };
}
impl<T: std::ops::Div<Output = T> + Copy> Vec2<T> {
pub fn downscale(&self, f: T) -> Self {
Self {
x: self.x / f,
y: self.y / f,
}
}
}
impl<T: std::ops::Mul<Output = T> + Copy> Vec2<T> {
pub fn scale(&self, f: T) -> Self {
Self {
x: self.x * f,
y: self.y * f,
}
}
pub fn area(&self) -> T {
self.x * self.y
}
}
impl Vec2<isize> {
pub fn x_only(&self) -> Self {
Self { x: self.x, y: 0 }
}
pub fn y_only(&self) -> Self {
Self { x: 0, y: self.y }
}
}
impl Into<Vec2<f32>> for Vec2<isize> {
fn into(self) -> Vec2<f32> {
Vec2 {
x: self.x as f32,
y: self.y as f32,
}
}
}
impl From<(isize, isize)> for Vec2<f32> {
fn from((x, y): (isize, isize)) -> Self {
Vec2 {
x: x as f32,
y: y as f32,
}
}
}
impl<T: std::ops::Add> std::ops::Add for Vec2<T> {
type Output = Vec2<T::Output>;
#[inline]
fn add(self, rhs: Self) -> Self::Output {
Vec2 {
x: self.x + rhs.x,
y: self.y + rhs.y,
}
}
}
impl<T: std::ops::Sub> std::ops::Sub for Vec2<T> {
type Output = Vec2<T::Output>;
#[inline]
fn sub(self, rhs: Self) -> Self::Output {
Vec2 {
x: self.x - rhs.x,
y: self.y - rhs.y,
}
}
}
impl<T: std::ops::Mul> std::ops::Mul for Vec2<T> {
type Output = Vec2<T::Output>;
#[inline]
fn mul(self, rhs: Self) -> Self::Output {
Vec2 {
x: self.x * rhs.x,
y: self.y * rhs.y,
}
}
}
impl<T> From<(T, T)> for Vec2<T> {
#[inline]
fn from((x, y): (T, T)) -> Self {
Vec2 { x, y }
}
}
|
