public override void Initialize( TanksDrop game )
{
Helpers = new List<LazerHelper>();
lastHelper = new LazerHelper( Position, Angle, game, owner );
hasCollided = false;
Tanks = null;
//lifeTime = 2000;
base.Initialize( game );
}
public override void Update( TimeSpan gameTime, HashSet<GameEntity> Entities, Microsoft.Xna.Framework.Input.KeyboardState keyState )
{
if ( Tanks == null )
{
Tanks = from e in Entities
where e is Tank
select e;
}
for ( int i = 0; i < Speed; i++ )
{
if ( ( Helpers.Count >= Trail || hasCollided ) && Helpers.Count > 0 )
{
try
{
Helpers.RemoveAt( 0 );
}
catch ( Exception ) { }
}
if ( Helpers.Count <= 2 && hasCollided )
{
Helpers = new List<LazerHelper>();
lastHelper.Destroy( gameTime );
}
if ( !hasCollided )
{
foreach ( GameEntity e in Tanks )
{
if ( e.CollidesWith( lastHelper ) && ( ( Tank )e ).IsAlive )
{
if ( ( ( Tank )e ).ProjectileHit( lastHelper, gameTime ) )
{
hasCollided = true;
break;
}
}
}
if ( lastHelper.Destroyed )
{
hasCollided = true;
break;
}
LazerHelper nextHelper = ( LazerHelper )lastHelper.Clone();
Helpers.Add( lastHelper );
nextHelper.Move( Entities );
Game.RemoveEntity( lastHelper );
lastHelper = nextHelper;
Game.QueueEntity( lastHelper );
}
}
base.Update( gameTime, Entities, keyState );
}