Unity-绘制图片

在 Game 窗口下，通过鼠标左键单机绘制图片

//==========================
// - FileName:      DrawPicture.cs         
// - Created:       true.	
// - CreateTime:    2020/05/27 17:56:10	
// - Email:         [email protected]		
// - Region:        China WUHAN	
// - Description:   
//==========================
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DrawPicture : MonoBehaviour
{
    //图片
    public Texture img;
    //储存鼠标的位置坐标      
    private Vector2 pos;
    void OnGUI()
    {
        //鼠标左击，获取当前鼠标的位置         
        if (Input.GetMouseButton(0))
        {
            pos = Input.mousePosition;
        }
        //绘制图片        
        GUI.DrawTexture(new Rect(pos.x, Screen.height - pos.y, 100, 100), img);
    }
}