public override void execute(float currentTime)
{
AnimationSprite animSpriteSquids = new AnimationSprite(SpriteBaseName.Squid);
animSpriteSquids.Attach(ImageName.SquidA);
animSpriteSquids.Attach(ImageName.SquidB);
AnimationSprite animSpriteCrabs = new AnimationSprite(SpriteBaseName.Crab);
animSpriteCrabs.Attach(ImageName.CrabA);
animSpriteCrabs.Attach(ImageName.CrabB);
AnimationSprite animSpriteOctopi = new AnimationSprite(SpriteBaseName.Octopus);
animSpriteOctopi.Attach(ImageName.OctopusA);
animSpriteOctopi.Attach(ImageName.OctopusB);
SoundCommand playFastInvader1 = new SoundCommand(SoundName.fastInvader1);
SoundCommand playFastInvader2 = new SoundCommand(SoundName.fastInvader2);
SoundCommand playFastInvader3 = new SoundCommand(SoundName.fastInvader3);
SoundCommand playFastInvader4 = new SoundCommand(SoundName.fastInvader4);
Grid pGrid = (Grid)GameObjectManager.Find(GameObjectName.Grid);
float marchSpeed = pGrid.marchSpeed;
float bombFrequency = pGrid.bombFrequency;
TimerManager.Dump();
TimerManager.Add(TimerEventName.MoveGrid, marchSpeed, marchSpeed, new MoveGridEvent());
TimerManager.Add(TimerEventName.AnimateSquids, marchSpeed, marchSpeed, animSpriteSquids);
TimerManager.Add(TimerEventName.AnimateCrabs, marchSpeed, marchSpeed, animSpriteCrabs);
TimerManager.Add(TimerEventName.AnimateOctopi, marchSpeed, marchSpeed, animSpriteOctopi);
TimerManager.Add(TimerEventName.PlayFastInvaders4, marchSpeed, 4 * marchSpeed, playFastInvader4);
TimerManager.Add(TimerEventName.PlayFastInvaders1, 2 * marchSpeed, 4 * marchSpeed, playFastInvader1);
TimerManager.Add(TimerEventName.PlayFastInvaders2, 3 * marchSpeed, 4 * marchSpeed, playFastInvader2);
TimerManager.Add(TimerEventName.PlayFastInvaders3, 4 * marchSpeed, 4 * marchSpeed, playFastInvader3);
TimerManager.Add(TimerEventName.BombSpawn, bombFrequency, bombFrequency, new BombSpawnEvent(pGrid));
TimerManager.Add(TimerEventName.UFOSpawn, TimerManager.GetCurrentTime() + (float)UFOManager.GetRandom().Next(5, 10), (float)UFOManager.GetRandom().Next(5, 10), new UFOSpawnEvent());
}
