Trò chơi xếp gạch đơn giản

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BallScript.cs
Scripts /
Assets /
project /

1 using UnityEngine;
2 using System.Collections;
3
4 public class BallScript : MonoBehaviour
5 {
6
7     public float SpeedY = 7;
8     private Vector2 InitialLocation;
9
10     // Use this for initialization
11     void Start()
12     {
13         InitialLocation = transform.position;
14         GetComponent<Rigidbody2D>().velocity = Vector2.zero;
15     }
16
17     // Update is called once per frame
18     void Update()
19     {
20         if (GameManager.CurrentGameState == GameManager.GameState.Playing)
21             GiveBoostIfMovingOnXorYAxis();
22     }
23
24     private void GiveBoostIfMovingOnXorYAxis()
25     {
26         if (Mathf.Abs(GetComponent<Rigidbody2D>().velocity.x - 0.2f) <= 0.2f)
27         {
28             //left or right?
29             bool right = Random.Range(-1.0f, 1.0f) >= 0;
30             GetComponent<Rigidbody2D>().AddForce(new Vector2(right ? 5.0f : -5.0f, 0), ForceMode2D.Impulse);
31         }
32
33         if (Mathf.Abs(GetComponent<Rigidbody2D>().velocity.y - 0.2f) <= 0.2f)
34         {
35             //up or down?
36             bool down = Random.Range(-1.0f, 1.0f) >= 0;
37             GetComponent<Rigidbody2D>().AddForce(new Vector2(0, down ? 5.0f : -5.0f), ForceMode2D.Impulse);
38         }
39     }
40
41     public void StartBall()
42     {
43         transform.position = InitialLocation;
44         GetComponent<Rigidbody2D>().velocity = new Vector2(Random.Range(-3.0f, 3.0f), SpeedY);
45     }
46
47     public void StopBall()
48     {
49         GetComponent<Rigidbody2D>().velocity = Vector2.zero;
50     }
51
52
53 }

Use this for initialization

Update is called once per frame

left or right?

up or down?

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