Fixed superfluous up normalization in glm::lookAt() #114

ago%!(EXTRA string=12 years) · 79405910bb
parent ba1ccbaba2
commit 79405910bb
1 changed files with 3 additions and 4 deletions
--- a/glm/gtc/matrix_transform.inl
+++ b/glm/gtc/matrix_transform.inl
@ -419,10 +419,9 @@ namespace glm
 		detail::tvec3<T, P> const & up
 	)
 	{
-		detail::tvec3<T, P> f = normalize(center - eye);
+		detail::tvec3<T, P> f(normalize(center - eye));
-		detail::tvec3<T, P> u = normalize(up);
+		detail::tvec3<T, P> s(normalize(cross(f, up)));
-		detail::tvec3<T, P> s = normalize(cross(f, u));
+		detail::tvec3<T, P> u(cross(s, f));
 		u = cross(s, f);
 		detail::tmat4x4<T, P> Result(1);
 		Result[0][0] = s.x;