public OrbitWalker GetOrbitWalker()
{
if (_orbitWalker == null)
{
_orbitWalker = new OrbitWalker {
Id = gameObject.GetInstanceID(),
Transform = transform,
CurAngle = StartAngle,
OrbitRadius = OrbitRadius,
AngularSpeed = AngularSpeed,
};
}
return(_orbitWalker);
}
private void UpdatePosition(OrbitWalker walker, float deltaTime)
{
walker.CurAngle += walker.AngularSpeed * deltaTime;
var radians = walker.CurAngle * Mathf.Deg2Rad;
Vector2 newPos = new Vector2(Mathf.Cos(radians), Mathf.Sin(radians));
newPos = newPos * walker.OrbitRadius + _center;
var prevPos = walker.Transform.localPosition;
walker.Transform.localPosition = newPos;
var moveDir = (walker.Transform.localPosition - prevPos).normalized;
walker.Transform.localRotation = Quaternion.LookRotation(moveDir);
}
public void Add(OrbitWalker orbitWalker)
{
_walkers.Add(orbitWalker.Id, orbitWalker);
}