private IEnumerator ControlCoroutine()
{
Disposable = new CompositeDisposable();
var source = Owner.transform.position;
Shots = new EnemyShot[BulletNum];
var span = 360.0f / BulletNum;
var radius = (BulletNum * 3) + 8;
for (int i = 0; i < BulletNum; i++)
{
int j = i;
var offset = Vector2Extensions.FromAngleLength(i * span, radius);
var shot = Owner.Api.Shot(source + offset.ToVector3(), 0, 0);
Shots[i] = shot;
// TODO: ここで全要素にnullが代入されるラムダ式ができているのかも・・・
shot.DestroyEvent.Subscribe(u => Shots[j] = null)
.AddTo(Disposable);
}
float angle = 0;
while (true)
{
var origin = Owner.transform.position;
for (int i = 0; i < BulletNum; i++)
{
if (Shots[i] != null)
{
var offset = Vector2Extensions.FromAngleLength(angle + i * span, radius);
Shots[i].transform.position = origin + offset.ToVector3();
}
}
for (int i = 0; i < Shots.Length; i++)
{
Debug.DrawLine(origin, Shots[i].transform.position, new Color(0, 0, 1));
}
angle += RotateSpeed;
yield return(null);
}
}
private TShot InitializeShot <TShot>(GameObject shot, EnemyShotBehavior behavior, List <TShot> list, Vector3 source, float angle, float speed, EnemyApi api)
where TShot : EnemyShot
{
shot.transform.position = source;
shot.transform.SetEulerAnglesZ(0);
shot.transform.parent = SpriteStudioManager.I.ManagerDraw.transform;
var velocity = Vector2Extensions.FromAngleLength(angle, speed);
var rigidbody = shot.GetComponent <Rigidbody2D>();
rigidbody.velocity = velocity;
var script = shot.GetComponent <TShot>();
script.InitializeBullet(behavior, api);
script.DestroyEvent.Subscribe(u => list.Remove(script));
list.Add(script);
shot.GetComponent <Collider2D>().enabled = true;
return(script);
}
private IEnumerator PrepareCoroutine()
{
int bodyCount = asset.BodyCount;
float initialPositionAngleRange = asset.InitialPositionAngleRange;
float initialPositionAngleSpan = initialPositionAngleRange / (bodyCount - 1);
var locations = Enumerable.Range(0, bodyCount)
.Select(i =>
{
var angle = i * initialPositionAngleSpan - initialPositionAngleRange / 2;
var pos = Vector2Extensions.FromAngleLength(angle, asset.InitialPositionDisplacement);
return(pos + new Vector2(0, -10));
})
.ToArray();
int locationIndex = (int)(UnityEngine.Random.value * bodyCount) % bodyCount;
for (int i = 0; i < bodyCount; i++)
{
if (i != locationIndex)
{
var behavior = new ShootingEnemyShotBehavior()
{
Way = asset.CopiesShotWay,
AngleSpan = asset.CopiesShotAngleSpan,
ShotSpeed = asset.CopiesShotSpeed,
ShotTimeSpan = asset.CopiesShotTimeSpan
};
var mob = Api.ShotMob(Api.Enemy.transform.position, 180, 0, behavior);
behavior.InitializeComponent();
behavior.Move(locations[i], 20);
}
}
Api.MoveIt(locations[locationIndex], 20);
yield return(new WaitForSeconds(0.5f));
}