private void UfoDraw()//randomly generates an UFO
{
if (Rnd.Next(0, 800) == 1)
{
Ufos.Add(new Ufo(GameDisplay, 5));//new object of the type Ufo
}
}
public void ClearGame()//Removes all Gameobjects from the Gamedisplay and resets the Gamevalues
{
Player.HealthPoints = 3;
score = 0;
levelcounter = 1;
PlayerProjectiles.Clear();
EnemyProjectiles.Clear();
Invaders.Clear();
Ufos.Clear();
Walls.Clear();
GameDisplay.Children.Clear();
}
public void CleanTemporaryGameLists()//gameobject lists are cleaned up
{
GameDisplay.Children.Clear();
//lists are updated
EnemyProjectiles = EnemyProjectiles.Except(TemporaryEnemyProjectiles).ToList();
PlayerProjectiles = PlayerProjectiles.Except(TemporaryPlayerProjectiles).ToList();
Ufos = Ufos.Except(TemporaryUfos).ToList();
Walls = Walls.Except(TemporaryWalls).ToList();
Invaders = Invaders.Except(TemporaryInvaders).ToList();
//temporary lists are cleared
TemporaryWalls.Clear();
TemporaryPlayerProjectiles.Clear();
TemporaryInvaders.Clear();
TemporaryEnemyProjectiles.Clear();
TemporaryUfos.Clear();
}
