Improved patch mesh surface normals.

2 files changed, 2 insertions, 11 deletions

diff --git a/src/math/functions.h b/src/math/functions.h
index 27a068e..8135392 100644
--- a/src/math/functions.h
+++ b/src/math/functions.h
@@ -107,15 +107,6 @@ inline void swap(float &x, float &y)
 	y = tmp;
 }
 
-/// float to the n-th power
-inline float pow(const float x, const size_t pow) {
-	float r = 1;
-	for (size_t i = 1; i <= pow; i++) {
-		r *= x;
-	}
-	return r;
-}
-
 } // namespace math
 
 #endif // __INCLUDED_MATH_FUNCTIONS_H__
diff --git a/src/math/vector3f.h b/src/math/vector3f.h
index 7cd533d..6ab77be 100644
--- a/src/math/vector3f.h
+++ b/src/math/vector3f.h
@@ -226,8 +226,8 @@ inline btVector3 to_btVector3(const math::Vector3f & v)
 }
 
 /// calculate the normal of a plane defined by three vertices 
-inline const Vector3f normal(const Vector3f & first, const Vector3f & second, const Vector3f & third) {
-	Vector3f r = crossproduct(second - first, third - first);
+inline const Vector3f normal(const Vector3f & center, const Vector3f & u, const Vector3f & v) {
+	Vector3f r = crossproduct(u - center, v - center);
 	r.normalize();
 	return r;
 }