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This commit is contained in:
Alex Selimov 2026-08-07 23:22:07 -04:00
parent d9e4e06c78
commit f3d930405c
3 changed files with 58 additions and 4 deletions
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7
src/vec3.zig
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@ -346,4 +346,11 @@ test "quat apply to vec " {
try std.testing.expect(std.math.approxEqAbs(f64, rotated.x(), -2, 1e-12));
try std.testing.expect(std.math.approxEqAbs(f64, rotated.y(), 1, 1e-12));
try std.testing.expect(std.math.approxEqAbs(f64, rotated.z(), 1, 1e-12));
const forward_body = Vec3F64.init(1, 0, 0);
const forward_inertial = quatApply(quat, forward_body);
try std.testing.expectApproxEqAbs(@as(f64, 0), forward_inertial.x(), 1e-12);
try std.testing.expectApproxEqAbs(@as(f64, 1), forward_inertial.y(), 1e-12);
try std.testing.expectApproxEqAbs(@as(f64, 0), forward_inertial.z(), 1e-12);
}