Unity Gizmos绘制指定长宽的网格

 1 using UnityEngine;
 2 using System.Collections;
 3 
 4 public class GridMap : MonoBehaviour {
 5 
 6     public int m_mapWidth = 10;  //宽度 
 7     public int m_mapHeight = 10; //长度
 8 
 9     void OnDrawGizmos()
10     {
11         Gizmos.color = Color.blue;
12 
13         //绘制宽度的线
14         for (int i = 0; i < m_mapWidth; i++)
15         {
16             Gizmos.DrawLine(new Vector3(0, 0, i), new Vector3(m_mapHeight, 0, i));
17         }
18 
19         //绘制长度的线
20         for (int i = 0; i < m_mapHeight; i++)
21         {
22             Gizmos.DrawLine(new Vector3(i, 0, 0), new Vector3(i, 0, m_mapWidth));
23         }
24     }
25 }