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

public class PlayerMovement : MonoBehaviour{
    [SerializeField] float speed = 8f;
    float bulletspeed = 10f;
    float xMin = 0f;
    float xMax = 0f;
    float yMin = 0f;
    float yMax = 0f;
    [SerializeField] Transform SpawnPoint;
    [SerializeField] GameObject Bullet;
    [SerializeField] float offset = 0.5f;
    // Start is called before the first frame update
    void Start()
    {
        CameraPoints();

    }

    private void CameraPoints()
    {
        Camera cam = Camera.main;

        xMin = cam.ViewportToWorldPoint(new Vector3(0, 0, 0)).x + offset;

        xMax = cam.ViewportToWorldPoint(new Vector3(1, 0, 0)).x - offset;

        yMin = cam.ViewportToWorldPoint(new Vector3(0, 0, 0)).y + offset;

        yMax = cam.ViewportToWorldPoint(new Vector3(0, 1, 0)).y - offset;
    }

    // Update is called once per frame
    void Update(){
        Move();
        Fire();
    }

    void Fire()
    {
        if (Input.GetKeyDown(KeyCode.Space)){
            GameObject bul = Instantiate(Bullet, SpawnPoint.position, Quaternion.identity);
            bul.GetComponent<Rigidbody2D>().velocity = new Vector2(0f, bulletspeed);
        }
    }


    void Move(){
        //Horizontal Axis
        float deltaX = transform.position.x + Input.GetAxis("Horizontal") * Time.deltaTime * speed;
        //Vertical Axis
        float deltaY = transform.position.y + Input.GetAxis("Vertical") * Time.deltaTime * speed;

        deltaX = Mathf.Clamp(deltaX, xMin, xMax);
        deltaY = Mathf.Clamp(deltaY, yMin, yMax);
        /*if(deltaX <= xMin){
            deltaX = xMin;
        }
        if(deltaX >= xMax){
            deltaX = xMax;
        }*/

        /*if(deltaY <= yMin){
            deltaY = yMin;
        }
        if(deltaY >= yMax){
            deltaY = yMax;
        }*/
        Vector3 delta = new Vector2(deltaX, deltaY);
        transform.position = delta;
    }
}