forked from M-Labs/nalgebra
10 lines
312 B
Rust
10 lines
312 B
Rust
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use na::{Real, U3};
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use aliases::Vec;
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/// The normal vector of the given triangle.
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///
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/// The normal is computed as the normalized vector `cross(p2 - p1, p3 - p1)`.
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pub fn triangle_normal<N: Real>(p1: &Vec<N, U3>, p2: &Vec<N, U3>, p3: &Vec<N, U3>) -> Vec<N, U3> {
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(p2 - p1).cross(&(p3 - p1)).normalize()
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}
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