using UnityEngine;
using System.Collections;
public class Line : MonoBehaviour
{
public Material mat;
public Color color = Color.red;
public Vector3 pos1;
public Vector3 pos2;
void Start()
{
mat.color = color;
}
void Update()
{
if (Input.GetMouseButtonDown(0))
{
pos1 = Input.mousePosition;
}
if (Input.GetMouseButton(0))
{
pos2 = Input.mousePosition;
}
}
void OnPostRender()
{
GL.PushMatrix();
mat.SetPass(0);
GL.LoadOrtho();
GL.Begin(GL.LINES);
GL.Color(color);
GL.Vertex3(pos1.x / Screen.width, pos1.y / Screen.height, 0);
GL.Vertex3(pos2.x / Screen.width, pos1.y / Screen.height, 0);
GL.Vertex3(pos2.x / Screen.width, pos1.y / Screen.height, 0);
GL.Vertex3(pos2.x / Screen.width, pos2.y / Screen.height, 0);
GL.Vertex3(pos2.x / Screen.width, pos2.y / Screen.height, 0);
GL.Vertex3(pos1.x / Screen.width, pos2.y / Screen.height, 0);
GL.Vertex3(pos1.x / Screen.width, pos2.y / Screen.height, 0);
GL.Vertex3(pos1.x / Screen.width, pos1.y / Screen.height, 0);
GL.End();
GL.PopMatrix();
}
}
在unity里用GL画线框
最近由于闲来无事,无意中看到vectrosity这个画线插件,就想研究一下,下载下来之后发现导入到unity里之后出现错误,由于自己是蠢新所以改了一通也没改对,所以就放弃了,大家需要插件的话待会我会上下载链接,自己可以试试,我的版本是5.2.2的,在找到http://blog.csdn.net/awnuxcvbn/article/details/17279837这个利用GL画线的,但是感觉效果不好,所以自己修改了一下,改成了画线框的,其实就是确定了四个点而已,而且修改成了与鼠标同步画线的效果,大家有兴趣的可以看看,共同进步···········
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