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

public class P1Script : MonoBehaviour
{
    public Rigidbody rb;
    public float speed = 2.5f;
    public float jumpPower = 5.0f;
    private bool left = false;
    private bool right = false;
    private bool down = false;
    private bool up = false;
    private bool jumpKey = false;
    private float velH = 0.0f;
    private float velV = 0.0f;
    public bool canJump = false;


    // Start is called before the first frame update
    void Start()
    {
        rb = GetComponent<Rigidbody>();


    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKey(KeyCode.A))
        {
            left = true;
        }
        if (Input.GetKeyUp(KeyCode.A))
        {
            left = false;
        }
        if (Input.GetKey(KeyCode.D))
        {
            right = true;
        }
        if (Input.GetKeyUp(KeyCode.D))
        {
            right = false;
        }

        velH = 0;
        if ( left )
        {
            velH++;
        }
        if (right)
        {
            velH--;
        }

        if (Input.GetKey(KeyCode.W))
        {
            up = true;
        }
        if (Input.GetKeyUp(KeyCode.W))
        {
            up = false;
        }
        if (Input.GetKey(KeyCode.S))
        {
            down = true;
        }
        if (Input.GetKeyUp(KeyCode.S))
        {
            down = false;
        }

        velV = 0;
        if (up)
        {
            velV++;
        }
        if (down)
        {
            velV--;
        }

        rb.velocity = (new Vector3(velV, 0, velH) * speed);

        if (Input.GetKeyDown(KeyCode.Space))
        {
            jumpKey = true;
        }
        if (Input.GetKeyUp(KeyCode.Space))
        {
            jumpKey = false;
        }

        if ( jumpKey && canJump)
        {
            //rb.velocity += (new Vector3(0, 1, 0) * jumpPower);
            rb.AddForce(Vector3.up * jumpPower, ForceMode.Impulse);
        }
    }



    public void OnCollisionEnter(Collision collision)
    {
        if (collision.collider.tag == "Ground")
        {
            canJump = true;
        }
    }


    public void OnCollisionExit(Collision collision)
    {
        if (collision.collider.tag == "Ground")
        {
            canJump = false;
        }
    }

}