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Add Triangle::point_from_barycentric_coords

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Hanno Braun 2024-07-31 19:55:35 +02:00
parent b787d9923c
commit c0d4db9ae4
1 changed files with 10 additions and 0 deletions
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10
crates/fj-math/src/triangle.rs
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@ -43,6 +43,16 @@ impl<const D: usize> Triangle<D> {
area > Scalar::default_epsilon() area > Scalar::default_epsilon()
} }
/// Convert barycentric coordinates to a point
pub fn point_from_barycentric_coords(
&self,
[wa, wb, wc]: [Scalar; 3],
) -> Point<D> {
let [a, b, c] = self.points;
let coords = a.coords * wa + b.coords * wb + c.coords * wc;
Point { coords }
}
/// Normalize the triangle /// Normalize the triangle
/// ///
/// Returns a new `Triangle` instance with the same points, but the points /// Returns a new `Triangle` instance with the same points, but the points