Fix Vector's Bounce Reflect

Fixes Vector 2 and 3 bounce and reflect methods to match gdscript

Co-Authored-By: Bruno Campos <brunocu@msn.com>

Move calculation to reflect

fix commit

squash

fix style

include/core/Vector2.hpp

@@ -180,8 +180,8 @@ struct Vector2 {
 		return -reflect(p_normal);
 	}
 
-	inline Vector2 reflect(const Vector2 &p_vec) const {
-		return p_vec - *this * this->dot(p_vec) * 2.0;
+	inline Vector2 reflect(const Vector2 &p_normal) const {
+		return -(*this -p_normal * this->dot(p_normal) * 2.0);
 	}
 
 	inline real_t angle() const {