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Add Vector::dot

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This commit is contained in:
Hanno Braun 2025-01-09 18:34:13 +01:00
parent 878f6051bc
commit 10a2036740
1 changed files with 10 additions and 6 deletions
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16
experiments/2024-12-09/src/math/vector.rs
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@ -11,17 +11,21 @@ pub struct Vector<const D: usize> {
impl<const D: usize> Vector<D> { impl<const D: usize> Vector<D> {
pub fn magnitude(&self) -> Scalar { pub fn magnitude(&self) -> Scalar {
self.components self.dot(self).sqrt()
.into_iter()
.map(|coord| coord * coord)
.reduce(|a, b| a + b)
.unwrap_or(Scalar::zero())
.sqrt()
} }
pub fn normalize(self) -> Self { pub fn normalize(self) -> Self {
self / self.magnitude() self / self.magnitude()
} }
pub fn dot(&self, other: &Self) -> Scalar {
self.components
.into_iter()
.zip(other.components)
.map(|(a, b)| a * b)
.reduce(|a, b| a + b)
.unwrap_or(Scalar::zero())
}
} }
impl Vector<3> { impl Vector<3> {