gfxmath_vec2/impls/sub/
sub.rs

1use core::ops::Sub;
2use crate::Vec2;
3
4/// 
5/// ```
6/// use gfxmath_vec2::Vec2;
7/// 
8/// let mut a = Vec2::<f32>::new(0.5, 2.5);
9/// let b = Vec2::<f32>::new(1.5, 2.5);
10/// let c = Vec2::from(&a - &b);
11/// 
12/// a.x = 1.0;
13/// 
14/// assert_eq!(-1.0, c.x);
15/// assert_eq!( 0.0, c.y);
16/// 
17/// let c2 = Vec2::from(a - b);
18///
19/// assert_eq!(-0.5, c2.x);
20/// assert_eq!( 0.0, c2.y);
21/// ```
22#[opimps::impl_ops(Sub)]
23#[inline]
24fn sub<T: Sub<Output = T> + Copy>(self: Vec2<T>, rhs: Vec2<T>) -> Vec2<T> {
25    let x = self.x - rhs.x;
26    let y = self.y - rhs.y;
27    Vec2 { x, y }
28}
29
30/// ```
31/// use gfxmath_vec2::Vec2;
32/// 
33/// let v = Vec2::new(1.0, 2.0);
34///
35/// let res: Vec2<f32> = (v - 3.0).into();
36/// 
37/// assert_eq!(-2.0, res.x);
38/// assert_eq!(-1.0, res.y);
39/// ```
40#[opimps::impl_ops_rprim(Sub)]
41#[inline]
42fn sub<T>(self: Vec2<T>, rhs: T) -> Vec2<T> where T: Sub<Output = T> + Copy {
43    Vec2 { x: self.x - rhs, y: self.y - rhs }
44}
45
46/// ```
47/// use gfxmath_vec2::Vec2;
48/// 
49/// let v = Vec2::<f32>::new(1.0, 2.0);
50///
51/// let res = (3.0 - v);
52/// 
53/// assert_eq!( 2.0, res.x);
54/// assert_eq!( 1.0, res.y);
55/// ```
56#[opimps::impl_ops_lprim(Sub)]
57#[inline]
58fn sub(self: f32, rhs: Vec2<f32>) -> Vec2<f32> {
59    let x = self - rhs.x;
60    let y = self - rhs.y;
61    Vec2 { x, y }
62}
63
64/// ```
65/// use gfxmath_vec2::Vec2;
66/// 
67/// let v = Vec2::<f32>::new(1.0, 2.0);
68///
69/// let res = (3.0 - v);
70/// 
71/// assert_eq!( 2.0, res.x);
72/// assert_eq!( 1.0, res.y);
73/// ```
74#[opimps::impl_ops_lprim(Sub)]
75#[inline]
76fn sub(self: f64, rhs: Vec2<f64>) -> Vec2<f64> {
77    let x = self - rhs.x;
78    let y = self - rhs.y;
79    Vec2 { x, y }
80}
81
82/// ```
83/// use gfxmath_vec2::Vec2;
84/// 
85/// let v = Vec2::<i32>::new(1, 2);
86///
87/// let res = (3 - v);
88/// 
89/// assert_eq!( 2, res.x);
90/// assert_eq!( 1, res.y);
91/// ```
92#[opimps::impl_ops_lprim(Sub)]
93#[inline]
94fn sub(self: i32, rhs: Vec2<i32>) -> Vec2<i32> {
95    let x = self - rhs.x;
96    let y = self - rhs.y;
97    Vec2 { x, y }
98}
99
100/// ```
101/// use gfxmath_vec2::Vec2;
102/// 
103/// let v = Vec2::<i64>::new(1, 2);
104///
105/// let res = (3 - v);
106/// 
107/// assert_eq!( 2, res.x);
108/// assert_eq!( 1, res.y);
109/// ```
110#[opimps::impl_ops_lprim(Sub)]
111#[inline]
112fn sub(self: i64, rhs: Vec2<i64>) -> Vec2<i64> {
113    let x = self - rhs.x;
114    let y = self - rhs.y;
115    Vec2 { x, y }
116}
gfxmath_vec2/impls/sub/sub.rs

gfxmath_vec2/impls/sub/
sub.rs
