unity基础逻辑题

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

public class cube06 : MonoBehaviour {

    // Use this for initialization
    void Start () {
        for (int i = 0; i < 9; i++)
        {
                if (i % 2 == 0)
                {
                    int num = i / 2;
                for (int j = 0; j <=num; j += 1)
                {
                GameObject obj = GameObject.CreatePrimitive(PrimitiveType.Cube);
                obj.transform.position = new Vector3(i, j, 0);
                }
                }
            
        }
    }
    
    // Update is called once per frame
    void Update () {
        
    }
}

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

public class cube07 : MonoBehaviour {

    // Use this for initialization
    void Start () {
        for (int i = 0; i < 5; i++)
        {
            for (int j = i; j <= i; j++)
            {
                GameObject obj = GameObject.CreatePrimitive(PrimitiveType.Cube);
                obj.transform.position = new Vector3(i, j, 0);
            }
        }
    }
    
    // Update is called once per frame
    void Update () {
        
    }
}

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

public class jmp19 : MonoBehaviour {
    public GameObject sphere01;
    // Use this for initialization
    void Start () {
        
    }
    
    // Update is called once per frame
    void Update () {
        if (Input.GetMouseButtonDown(0))
        {
            sphere01.GetComponent<Rigidbody>().AddForce(transform.up *300);
        }
    }
}