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from rotation accept generic fixnum

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This commit is contained in:
Corwin 2022-10-08 18:07:29 +01:00
parent 99f01caea4
commit d83f0ea710
1 changed files with 14 additions and 11 deletions
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25
agb/src/display/affine.rs
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@ -34,18 +34,21 @@ impl AffineMatrix {
} }
#[must_use] #[must_use]
pub fn from_rotation(angle: Num<i32, 16>) -> Self { pub fn from_rotation<const N: usize>(angle: Num<i32, N>) -> Self {
let cos = angle.cos().change_base(); fn from_rotation(angle: Num<i32, 28>) -> AffineMatrix {
let sin = angle.sin().change_base(); let cos = angle.cos().change_base();
let sin = angle.sin().change_base();
AffineMatrix { AffineMatrix {
a: cos, a: cos,
b: sin, b: sin,
c: -sin, c: -sin,
d: cos, d: cos,
x: 0.into(), x: 0.into(),
y: 0.into(), y: 0.into(),
}
} }
from_rotation(angle.rem_euclid(1.into()).change_base())
} }
// Identity for rotation / scale / skew // Identity for rotation / scale / skew
@ -167,7 +170,7 @@ mod tests {
assert_eq!(c.position(), position); assert_eq!(c.position(), position);
let d = AffineMatrix::from_rotation(num!(0.5)); let d = AffineMatrix::from_rotation::<2>(num!(0.5));
let e = a * d; let e = a * d;