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

public class Move : MonoBehaviour {

    public float speed = 5.0f;
    public bool onGround;
    public LayerMask ground;
    bool isPowerup = false;

    Rigidbody2D rb2d;
    SpriteRenderer sprite;
    Animator anim;
    Vector2 position;

    void Start(){
        rb2d = GetComponent<Rigidbody2D>();
        sprite = GetComponent<SpriteRenderer>();
        anim = GetComponent<Animator>();
    }

    void FixedUpdate(){
        Movement();
    }

    public bool onGrounded() {
        if (!isPowerup)
            position = transform.position;
        else
            position = transform.position - new Vector3(0,0.5f,0);
        Vector2 direction = Vector2.down;
        float distance = 1f;

        RaycastHit2D hit = Physics2D.Raycast(position, direction, distance, ground);
        if (hit.collider != null) {
            return true;
        }
        return false;
    }

    void Movement(){
        float hor = Input.GetAxisRaw("Horizontal");
        rb2d.velocity = new Vector2((hor*speed), rb2d.velocity.y);

        if (hor<0)
        {
            if (onGrounded()){
                anim.SetBool("isMove", true);
                sprite.flipX = true;
            }
        } else if(hor>0) {
            if (onGrounded()){
                anim.SetBool("isMove", true);
                sprite.flipX = false;
            }
        } else anim.SetBool("isMove", false);
    }

    void OnCollisionEnter2D(Collision2D col){
        if(col.gameObject.tag == "Mushroom"){
            isPowerup = true;
            Destroy(col.gameObject);
            anim.Play("powerup");
            transform.position += new Vector3(0,1,0);
            GetComponent<CapsuleCollider2D>().size = new Vector2(0.7f,2);
        }
    }
}