using System;
using Photon.Deterministic;

namespace Quantum
{
  unsafe partial struct Input
  {
    // input bandwidth trick by Erick Passos
    // using a single Byte to encode a 2D direction with 2 degrees of accuracy
    public FPVector2 Direction
    {
      get {
        if (EncodedDirection == default) return default;
        Int32 angle = ((Int32)EncodedDirection - 1) * 2;
        return FPVector2.Rotate(FPVector2.Up, angle * FP.Deg2Rad);
      }
      set {
        if (value == default)
        {
          EncodedDirection = default;
          return;
        }
        var angle = FPVector2.RadiansSigned(FPVector2.Up, value) * FP.Rad2Deg;
        angle = (((angle + 360) % 360) / 2) + 1;
        EncodedDirection = (Byte)(angle.AsInt);
      }
    }
  }
}