add getNormalized()

engine/inc/math/vec4.hpp

@@ -87,6 +87,8 @@ class Vec4 {
   /** Normalize vector */
   void normalize();
 
+  Vec4 getNormalized() const;
+
   /** Returns distance between two vectors */
   float distanceTo(const Vec4& v) const;
 

engine/src/math/vec4.cpp

@@ -228,6 +228,12 @@ void Vec4::normalize() {
       : "r"(this->xyzw));
 }
 
+Vec4 Vec4::getNormalized() const {
+  Vec4 result(*this);
+  result.normalize();
+  return result;
+}
+
 float Vec4::distanceTo(const Vec4& v) const {
   float result;
   asm volatile(