1. 算法
2. 源代码
#include "stdafx.h"
#include "GL/glut.h"
#include "stdlib.h"
void init()
{
glClearColor(1.0,1.0,1.0,0.0);
glMatrixMode(GL_PROJECTION);
gluOrtho2D(0.0,600.0,0.0,400.0);
}
inline int round(int x)
{
return int(x+0.5);
}
void setPixel(int x, int y)
{
glBegin(GL_POINTS);
glVertex2i(x,y);
glEnd();