8.15 remove destroyed projectiles from the game

eight_fifteen.monkey

' Game Class
Method OnUpdate()
  	Local time_delta:Float = Float(engine.CalcDeltaTime())/60.0
  	 
  	If ((Millisecs() - Self.last_enemy_time) > Self.next_enemy_interval)
  		CreateEnemy()
  		Self.last_enemy_time = Millisecs()
  	End
  	
  	player.Update(engine.GetCanvasWidth(), engine.GetCanvasHeight())
  	If (KeyDown(KEY_SPACE) And player.FireProjectile())
  		CreateProjectile(player)
  	End
  	
  	' Remove destroyed projectiles from our game
	' and call projectiles update method
  	For Local projectile:Projectile = Eachin Self.projectiles
  		projectile.Update()
  		If (projectile.box.GetText() = "DESTROYED")
  			projectile.box.Remove()
  			Self.projectiles.RemoveFirst(projectile)
  		End
  	End
  	
  	For Local enemy:Character = Eachin Self.enemies
  		enemy.Update(engine.GetCanvasWidth(), engine.GetCanvasHeight())
  		If (enemy.box.GetText() = "DESTROYED")
  			enemy.box.Remove()
  			Self.enemies.RemoveFirst(enemy)
  		End
  	End
  	
  	If engine.GetPaused() = False
		engine.Update(time_delta)
		engine.CollisionCheck()
	End
End