public bool DetectCollision(Shot shot, Invader invader)
{
Rectangle ctrl1Rect = new Rectangle(shot.Location, shot.Size);
Rectangle ctrl2Rect = new Rectangle(invader.Location, invader.Image.Size);
return(ctrl1Rect.IntersectsWith(ctrl2Rect));
}
private void AddScore(Invader invader)
{
score += invader.Score;
//score_label.Text = "Score: " + score;
}