using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SHADE;


namespace SHADE_Scripting
{
  public class ThirdPersonCamera : Script
  {

    public float armLength = 2.0f;
    public float turnSpeedPitch = 0.3f;
    public float turnSpeedYaw = 0.5f;
    public float pitchClamp = 45.0f;
    public bool inverseXControls = false;
    public bool inverseYControls = false;
    public float lowerClamp = 5.0f;

    protected override void awake()
    {
      AddComponent<Transform>();

      if (!GetComponent<Camera>())
      {
        AddComponent<Camera>();
      }
      GetComponent<Camera>().SetMainCamera();
      if (!GetComponent<CameraArm>())
      {
        AddComponent<CameraArm>();
      }
    }

    protected override void start()
    {
      GetComponent<CameraArm>().ArmLength = armLength;
    }

    protected override void update()
    {
      CameraArm arm = GetComponent<CameraArm>();
      if (arm)
      {
        Vector2 vel = Input.GetMouseVelocity();
        if(inverseYControls)
          arm.Pitch -= vel.y * turnSpeedPitch * Time.DeltaTimeF;
        else
          arm.Pitch += vel.y * turnSpeedPitch * Time.DeltaTimeF;

        if (inverseXControls)
          arm.Yaw -= vel.x * turnSpeedYaw * Time.DeltaTimeF;
        else
          arm.Yaw += vel.x * turnSpeedYaw * Time.DeltaTimeF;

        if (arm.Pitch > pitchClamp)
        {
          arm.Pitch = pitchClamp;
        }
        else if (arm.Pitch < lowerClamp)
        {
          arm.Pitch = lowerClamp;
        }
      }
    }

  }
}