//Used to update the rotation of the firepoint to look at the current mouse position in world space
public void UpdateFirePointRotation()
{
Vector2 mousePos = mainCamera.ScreenToWorldPoint(Input.mousePosition);
//print("mouse position (world): " + mousePos);
float angle = UsefulMethods.FindAngleBetweenPositions2D(this.transform.position, mousePos);
//print("angle: " + angle);
transform.rotation = Quaternion.AngleAxis(angle, Vector3.forward);
}