example.cpp

来自「本书所附光盘的内容包含了开发实例的所有程序源码」· C++ 代码 · 共 33 行

#include "windows.h"
#include "gl/gl.h"
#include "gl/glu.h"
#include "gl/glaux.h" 
#include "conio.h"

void main(void) 
{ 
	auxInitDisplayMode(AUX_SINGLE|AUX_RGBA); 
	//窗口显示单缓存和RGB模式 
	auxInitPosition(0,0,200,200); 
	//大小x=200,y=200, (0,0)是屏幕左上点 
	auxInitWindow("Example"); 
	//窗口初始化，参数是标题 
	glClearColor(255.0,255.0,255.0,0.0); 
	//将窗口清为白色 
	glClear(GL_COLOR_BUFFER_BIT); 
	//将颜色缓存清为glClearColor命令所设置的颜色 

	glBegin( GL_LINES ) ; 
	glColor3f(1.0,0.0,0.0); 
	//选颜色(R,G,B)
	glVertex2f(1,1); 
	glVertex2f(-1,-1); 
	glColor3f(0.0,1.0,0.0);
	glVertex2f(1,-1); 
	glVertex2f(-1,1); 
	glEnd(); 

	glFlush(); 
	//强制绘图，不驻留缓存 
	getch();
}