private void setUpPowerUp(int key)
{
if(key == PowerUps.NONE)
{
return;
}
switch (key)
{
case PowerUps.NONE:
return;
case PowerUps.BERSERKER:
isInBerserk = true;
powerUpAction = berserk;
powerUpTriggered = true;
break;
default:
return;
}
}
private void berserk(GameTime gameTime)
{
if(powerUpTriggered)
{
Board.Instance.ReleasePowerUp(tileX, tileY);
alpha = 255;
powerUpTriggered = false;
powerUpTime = gameTime.TotalGameTime;
}
const int ALPHA_DELTA = 20;
alpha += (byte)delta;
if (alpha > 255 - ALPHA_DELTA)
{
delta = -ALPHA_DELTA;
}
else if (alpha < ALPHA_DELTA)
{
delta = ALPHA_DELTA;
}
effectColor = Color.FromNonPremultiplied(255, 20, 20, alpha);
effectAccumulator += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (effectAccumulator > powerUpDuration)
{
effectColor = Color.FromNonPremultiplied(0, 0, 0, 0);
}
if (effectAccumulator > powerUpDuration + powerUpOfffsetDuration)
{
effectAccumulator = 0;
powerUpAction = null;
isInBerserk = false;
}
}
public bool Has(PowerUpAction action)
{
return(powerUps.Contains(action.source.id));
}
public bool Remove(PowerUpAction action)
{
return(powerUps.Remove(action.source.id));
}
void Invoke(PowerUpAction action)
{
action.action.Invoke(action);
powerUps.Add(action.source.id);
}
