public void FirePowerUpEvent(PowerUpEventArgs e)
{
if (PowerUpEvent != null)
{
PowerUpEvent(this, e);
}
}
//event listener on powerup (collected power up)
public void OnPowerUp(object sender, PowerUpEventArgs e)
{
switch (e.PowerUpEventType)
{
case PowerUpTypes.DOUBLE_ATTACK:
//increase the number of bullet fire at once, maximum 4 bullet can be fire at once
numberOfAttack = Math.Min(4, numberOfAttack + 1);
break;
case PowerUpTypes.SPEED_ATTACK:
//increase the number of attack can be done in 1 second
//maximum 6 attack can be done in 1 second
attackPerSecond = Math.Min(6, attackPerSecond + 1);
fireTime = TimeSpan.FromMilliseconds(1000 / attackPerSecond);
break;
default:
break;
}
}