using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerControl : MonoBehaviour
{
    Rigidbody rbody;
    public float speed;
    public float mouseSensitivity;
    public Vector3 forwardV = new Vector3(0, 0, 1);
    public Vector3 rightV = new Vector3(1, 0, 0);
    public float twistAngle, pitchAngle;

    Vector3 initialPosition;
    Quaternion initialRotation;

    // Start is called before the first frame update
    void Start()
    {
        rbody = GetComponent<Rigidbody>();
        twistAngle = transform.rotation.eulerAngles.y;
        pitchAngle = transform.rotation.eulerAngles.x; 
        forwardV = Quaternion.Euler(0, -twistAngle, 0) * forwardV;
        rightV = Quaternion.Euler(0, -twistAngle, 0) * rightV;
        initialPosition = transform.position;
        initialRotation = transform.rotation;
    }

    // Update is called once per frame
    void Update()
    {
        KeyMove();
        if (Input.GetMouseButton(0))
            MouseRotate();
        else
            rbody.angularVelocity = -0.5f * rbody.angularVelocity;
    }

    void KeyMove()
    {
        float horizontalInput = Input.GetAxis("Horizontal");
        float verticalInput = Input.GetAxis("Vertical");

        Vector3 dir = forwardV * horizontalInput * speed + rightV * verticalInput * speed;
        rbody.velocity = new Vector3(dir.z, 0, dir.x);
    }

    void MouseRotate()
    {
        float mouseX = Input.GetAxis("Mouse X");
        float mouseY = Input.GetAxis("Mouse Y");
        if (mouseX != 0 || mouseY != 0)
        {
            float twistInput = -mouseX * mouseSensitivity;
            float pitchInput = -mouseY * mouseSensitivity;
            twistAngle += twistInput;
            pitchAngle += pitchInput;

            //transform.Rotate(pitchInput, 0, 0);
            //transform.Rotate(0, twistInput, 0);
            transform.rotation = Quaternion.Euler(0, 0, 0);
            transform.Rotate(0, twistAngle, 0);

            if (pitchAngle < -60)
                pitchAngle = -60;
            else if (pitchAngle > 180 && pitchAngle < 300)
                pitchAngle = -60;
            else if (pitchAngle > 60 && pitchAngle <= 180)
                pitchAngle = 60;
            transform.Rotate(pitchAngle, 0, 0);

            forwardV = Quaternion.Euler(0, -twistInput, 0) * forwardV;
            rightV = Quaternion.Euler(0, -twistInput, 0) * rightV;
        }
    }

    float vx()
    {
        return rbody.velocity.x;
    }
    float vy()
    {
        return rbody.velocity.y;
    }
    float vz()
    {
        return rbody.velocity.z;
    }

    public void Reset()
    {
        transform.position = initialPosition;
        transform.rotation = initialRotation;
        rbody.velocity = new Vector3(0, 0, 0);
        rbody.angularVelocity = new Vector3(0, 0, 0);
    }
}