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impl Transform (3 dimensional) for Matrix3

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This commit is contained in:
Mark Hintz 2016-04-27 23:55:33 +02:00
parent ab1d3d8622
commit a3539483b6
1 changed files with 29 additions and 0 deletions
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29
src/matrix.rs
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@ -756,6 +756,33 @@ impl<S: BaseFloat> ApproxEq for Matrix4<S> {
}
}
impl<S: BaseFloat> Transform<Point3<S>> for Matrix3<S> {
fn one() -> Matrix3<S> {
One::one()
}
fn look_at(eye: Point3<S>, center: Point3<S>, up: Vector3<S>) -> Matrix3<S> {
let dir = center - eye;
Matrix3::look_at(dir, up)
}
fn transform_vector(&self, vec: Vector3<S>) -> Vector3<S> {
self * vec
}
fn transform_point(&self, point: Point3<S>) -> Point3<S> {
Point3::from_vec(self * point.to_vec())
}
fn concat(&self, other: &Matrix3<S>) -> Matrix3<S> {
self * other
}
fn invert(&self) -> Option<Matrix3<S>> {
SquareMatrix::invert(self)
}
}
impl<S: BaseFloat> Transform<Point3<S>> for Matrix4<S> {
fn one() -> Matrix4<S> {
One::one()
@ -782,6 +809,8 @@ impl<S: BaseFloat> Transform<Point3<S>> for Matrix4<S> {
}
}
impl<S: BaseFloat> Transform3<S> for Matrix3<S> {}
impl<S: BaseFloat> Transform3<S> for Matrix4<S> {}
macro_rules! impl_operators {