//random() and isColliding() courtesy of ulfben, used with permission.
//	https://pastebin.com/TLEZK0M8 
//  RNG in C++11: https://isocpp.org/files/papers/n3551.pdf
//returns random number between min-max (inclusive)
int random(int min, int max) {
	static std::random_device rd; //obtain a random seed from hardware
	static std::mt19937 eng(rd()); //seed the generator
	std::uniform_int_distribution<> distr(min, max); //define the range
	/*std::uniform_real_distribution<>*/ //use if you want floats!
	return distr(eng);
}
//AABB intersection test
bool isColliding(const SDL_Rect& lhs, const SDL_Rect& rhs) {
	SDL_assert(&lhs != &rhs);
	return !(lhs.x + lhs.w < rhs.x 	//!(lhs.right < rhs.left 
		|| rhs.x + rhs.w < lhs.x 	//|| rhs.right < lhs.left
		|| lhs.y + lhs.h < rhs.y	//|| lhs.bottom < rhs.top
		|| rhs.y + rhs.h < lhs.y);	//|| rhs.bottom < lhs.top)
}