public override void Draw(GameTime gameTime)
{
foreach (Monster monster in monsters)
monster.Draw(gameTime);
if (monsters.Count != 0)
hpBillBoardSystem.Draw(myGame.camera.View, myGame.camera.Projection,
((ChaseCamera)myGame.camera).Up, ((ChaseCamera)myGame.camera).Right);
base.Draw(gameTime);
}