1.1.0 Unity零基础入门2——Roll a Ball

1. 游戏界面

2.代码

 //FoodRotate - - 控制cube旋转

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

 public class FoodRotate : MonoBehaviour {

     // Use this for initialization
     void Start () {

     }

     // Update is called once per frame
     void Update () {
         //控制cube旋转 - - Vector3（x,y,z）围绕某一轴旋转
         //乘以Time.deltaTime * 60 每秒旋转60°
         transform.Rotate(new Vector3(, , )*Time.deltaTime*);
     }
 }

FoodRotate - - 控制cube旋转

 //FollowCamera - - 使相机跟随小球

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

 public class FollowCamera : MonoBehaviour {

     public Transform boll;
     private Vector3 offset;

     // Use this for initialization
     void Start () {

         //把相机和小球的位置相减得到相对距离
         offset = transform.position - boll.position;
     }

     // Update is called once per frame
     void Update () {

         //此时赋值后相机能保持相对地跟随小球
         /* 如果不这么做当小球移动旋转时，相机自身也会旋转 */
         transform.position = boll.position + offset;
     }
 }

FollowCamera - - 使相机跟随小球

//MoveSphere - - 控制小球移动

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI; //声明Text类时要用

public class MoveSphere : MonoBehaviour {

    private Rigidbody boll;         //小球
    private int score;              //分数
    public Text text;               //分数text
    public GameObject WinText;      //游戏胜利的text

    // Use this for initialization
    void Start () {

      boll = GetComponent<Rigidbody>();
    }

    // Update is called once per frame
    void Update () {
        float h = Input.GetAxis("Horizontal");
        float v = Input.GetAxis("Vertical");

        boll.AddForce(new Vector3(h, , v)*);

    }

    //碰撞检测
    private void OnCollisionEnter(Collision collision)
    {
        //collision.collider 获取碰撞到的物体身上的collider组件
        //string name = collision.collider.name 获取碰撞到的物体的名字
        //print(name) 在控制台输出name
        if(collision.collider.tag=="Food")
        {

            Destroy(collision.collider.gameObject);
        }
    }

    //触发检测（勾选Box collider里的isTrigger）
    private void OnTriggerEnter(Collider collider)
    {
       if(collider.tag=="Food")
        {
            score++;
            text.text = "Score : " + score;
            Destroy(collider.gameObject);

            //当分数到达后显示胜利的text
            if(score==)
            {
                WinText.SetActive(true);
            }
        }
    }
}

MoveSphere - - 控制小球移动