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add type for making unit vector from angle

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This commit is contained in:
Corwin Kuiper 2021-06-08 17:10:27 +01:00
parent 1ac9e54296
commit 301a22d93a
1 changed files with 9 additions and 0 deletions
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9
agb/src/number.rs
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@ -540,6 +540,15 @@ impl<T: Number> Vector2D<T> {
} }
} }
impl<I: FixedWidthSignedInteger, const N: usize> Vector2D<Num<I, N>> {
pub fn new_from_angle(angle: Num<I, N>) -> Self {
Vector2D {
x: angle.cos(),
y: angle.sin(),
}
}
}
impl<I: FixedWidthUnsignedInteger, const N: usize> From<Vector2D<I>> for Vector2D<Num<I, N>> { impl<I: FixedWidthUnsignedInteger, const N: usize> From<Vector2D<I>> for Vector2D<Num<I, N>> {
fn from(n: Vector2D<I>) -> Self { fn from(n: Vector2D<I>) -> Self {
Vector2D { Vector2D {