1.首先从互联网上下载一个准星图片,并将其拖入到Unity工程中,然后编写以下代码: - using UnityEngine;
- using System.Collections;
-
- public class DrawStar : MonoBehaviour {
- public Texture2D texture;
- // Use this for initialization
- void OnGUI()
- {
- Rect rect = new Rect(Input.mousePosition.x - (texture.width/2),
-
- Screen.height - Input.mousePosition.y - (texture.height/2),
-
- texture.width, texture.height);
-
- GUI.DrawTexture(rect, texture);
- }
- }
复制代码2.把脚本拖曳到主相机上,把工程中的图片拖曳到主相机的Texture下,运行程序,移动 鼠标就会发现准星跟随鼠标移动,如图1-1所示:
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