GL.Vertex 顶点

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public Material mat;
	void OnPostRender() {
		if (!mat) {
			Debug.LogError("Please Assign a material on the inspector");
			return;
		}
		GL.PushMatrix();
		mat.SetPass(0);
		GL.LoadOrtho();
		GL.Begin(GL.LINES);
		GL.Vertex(new Vector3(1, 0, 0));
		GL.Vertex(new Vector3(0, 1, 0));
		GL.End();
		GL.PopMatrix();
	}
}

// Draws a line from the bottom right
// to the top left of the Screen
// Using GL.Vertex
//从屏幕的左下角到右上角绘制一条对角线
var mat : Material;

function OnPostRender() {
	if (!mat) {
		Debug.LogError("Please Assign a material on the inspector");
		return;
	}
	GL.PushMatrix();
	mat.SetPass(0);
	GL.LoadOrtho();
	GL.Begin(GL.LINES);
	GL.Vertex(Vector3(1,0,0));
	GL.Vertex(Vector3(0,1,0));
	GL.End();
	GL.PopMatrix();
}