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

public class ball : MonoBehaviour
{
    float movementSpeed=5.0f;
    int num = 3;
    string output= "Gem numbers = 3";
    // Rigidbody ufo1;    
    // Start is called before the first frame update
    private Rigidbody rb;
    void Start()
    {
        // ufo1 = GameObject.Find("UFO").GetComponent<Rigidbody>();
        rb = GetComponent<Rigidbody> ();
    }

    // Update is called once per frame
    void Update()
    {
            float x1 = Input.GetAxis("Horizontal");
            float z1 = Input.GetAxis("Vertical");
            rb.AddForce (x1,0f,z1,ForceMode.Acceleration);
    }

    void OnTriggerEnter  (Collider other)
    {
	    if (other.tag == "Picker")
        {
            num--;
            output = "Gem numbers = " + num.ToString();
            if (num == 0) output = "你贏了！";
           Destroy (other.gameObject);
        }
    }

    void OnGUI()
    {
        GUI.Box(new Rect(15, 15, 150, 50),"");
        GUI.Label(new Rect(25, 25, 130, 40), output);
    }
}