BOOL collision(box *object1, box *object2) {
	if(object1->lowerright.x<object2->upperleft.x) {
		return FALSE;
	}
	if(object1->upperleft.x>object2->lowerright.x) {
		return FALSE;
	}
	if(object1.lowerright.y>object2.upperright.y) {
		return FALSE;
	}
	if(object1.upperleft.y<object2.lowerleft.y) {
		return FALSE;
	}
	return TRUE;
}