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Add matrix3 look_at_[lh|rh] tests

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Aaron Loucks 2020-06-26 23:40:29 -04:00 committed by Dzmitry Malyshau
parent 24a9191189
commit a628d134f1
1 changed files with 29 additions and 0 deletions
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29
tests/matrix.rs
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@ -726,6 +726,35 @@ pub mod matrix3 {
);
}
}
#[test]
fn test_look_at_lh() {
let dir = Vector3::new(1.0, 2.0, 3.0).normalize();
let up = Vector3::unit_y();
let m = Matrix3::look_at_lh(dir, up);
assert_ulps_eq!(m, Matrix3::from([
[0.9486833, -0.16903085, 0.26726127],
[0.0, 0.8451542, 0.53452253],
[-0.31622776, -0.50709254, 0.8017838_f32]
]));
#[allow(deprecated)]
assert_ulps_eq!(m, Matrix3::look_at(dir, up));
}
#[test]
fn test_look_at_rh() {
let dir = Vector3::new(1.0, 2.0, 3.0).normalize();
let up = Vector3::unit_y();
let m = Matrix3::look_at_rh(dir, up);
assert_ulps_eq!(m, Matrix3::from([
[-0.9486833, -0.16903085, -0.26726127],
[0.0, 0.8451542, -0.53452253],
[0.31622776, -0.50709254, -0.8017838_f32]
]));
}
}
pub mod matrix4 {