using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class script1 : MonoBehaviour
{
    float speed1=15.0f;
    Rigidbody2D ufo1;
    int num;
    Text txtnum;
    Text txtwin;
    // Start is called before the first frame update
    void Start()
    {
        ufo1 = GameObject.Find("UFO").GetComponent<Rigidbody2D>();
        num = 12;
        txtnum = GameObject.Find("Num").GetComponent<Text>();
        txtwin = GameObject.Find("Win").GetComponent<Text>();
    }

    // Update is called once per frame
    void Update()
    {
        if(Input.GetKey("up") || Input.GetKey("down") || Input.GetKey("left") || Input.GetKey("right"))
        {
            float x1 = Input.GetAxis("Horizontal");
            float y1 = Input.GetAxis("Vertical");
            Vector2 movement = new Vector2(x1,y1);
            ufo1.AddForce(movement * speed1);
            //ufo1.velocity = movement * speed1;
        }
        else
        {
            ufo1.velocity = new Vector2(0,0);
        }     
    }
    void OnCollisionEnter2D(Collision2D object1)
    {
        if(object1.gameObject.CompareTag("Pickup"))
        {
            Destroy(object1.gameObject);
            num --;
            txtnum.text = "Num = " + num;
            if(num==0)
            {
                txtwin.text = "你獲勝";
            }
        }
    }
}