drag_start and drag_origin not working...

src/datatypes.h

@@ -14,7 +14,8 @@ class Vec2D{
 		T x = 0;
 		T y = 0;
 		T dist(Vec2D* v) { return sqrt(pow((v->x - x), 2) + pow((v->y - y), 2));};
-		T length() { return sqrt(pow(x, 2) + pow(y, 2));};
+
+		T length() { return (T)sqrt(pow(x, 2) + pow(y, 2));};
 
 		T angle(Vec2D &v){
 			T angle = atan2(v.y, v.x) - atan2(y,x);
@@ -33,7 +34,7 @@ class Vec2D{
 			return (x*v.x) + (y*v.y);
 		};
 
-		Vec2D& norm() { return *this * (1.0/length());};
+		Vec2D norm() { return *this / length();};
 
 		Vec2D& operator=(const Vec2D& vec){
 			if (this == &vec){
@@ -50,31 +51,66 @@ class Vec2D{
 			return *this;
 		};
 		
-		friend Vec2D operator+(const Vec2D& left, const Vec2D& right){
-			return Vec2D(left.x + right.x, left.y + right.y);
-		};
-		
 		Vec2D& operator-=(const Vec2D& vec){
 			this->x -= vec.x;
 			this->y -= vec.y;
 			return *this;
 		};
 		
-		friend Vec2D operator-(const Vec2D& left, const Vec2D& right){
-			return Vec2D(left.x - right.x, left.y - right.y);
-		};
-
-		Vec2D& operator*(const Vec2D& vec){
+		Vec2D& operator*=(const Vec2D& vec){
 			this->x *= vec.x;
 			this->y *= vec.y;
 			return *this;
 		};
-
-		Vec2D& operator*(T scalar){
+		
+		Vec2D& operator/=(const Vec2D& vec){
+			this->x /= vec.x;
+			this->y /= vec.y;
+			return *this;
+		};
+		
+		Vec2D& operator*=(T scalar){
 			this->x *= scalar;
 			this->y *= scalar;
 			return *this;
 		};
+		
+		Vec2D& operator/=(T scalar){
+			this->x /= scalar;
+			this->y /= scalar;
+			return *this;
+		};
+		
+};
+
+template<typename T>
+Vec2D<T> operator+(const Vec2D<T>& left, const Vec2D<T>& right){
+	return Vec2D<T>(left.x + right.x, left.y + right.y);
+};
+
+template<typename T>
+Vec2D<T> operator-(const Vec2D<T>& left, const Vec2D<T>& right){
+	return Vec2D<T>(left.x - right.x, left.y - right.y);
+};
+
+template<typename T>
+Vec2D<T> operator*(const Vec2D<T>& left, const Vec2D<T>& right){
+	return Vec2D<T>(left.x * right.x, left.y * right.y);
+};
+
+template<typename T>
+Vec2D<T> operator/(const Vec2D<T>& left, const Vec2D<T>& right){
+	return Vec2D<T>(left.x / right.x, left.y / right.y);
+};
+
+template<typename T>
+Vec2D<T> operator/(const Vec2D<T>& left, T scalar){
+	return Vec2D<T>(left.x / scalar, left.y / scalar);
+};
+
+template<typename T>
+Vec2D<T> operator*(const Vec2D<T>& left, T scalar){
+	return Vec2D<T>(left.x * scalar, left.y * scalar);
 };
 
 struct Color{