画一个棋盘,使用C++
#include<windows.h>
#include<gl/gl.h>
#include<gl/glu.h>
#include<gl/glut.h>
#include<iostream.h>
#include<math.h>
//////////////////////////////////
void myInit()
{
glClearColor(1.0,1.0,1.0,0.0);
glLineWidth(3.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0,640,0.0,480);
}
/////////////////////////////////////
void myDisplay()
{
glClear(GL_COLOR_BUFFER_BIT);
int width=30,length=40,num=0;
for(int i=0;i<16;i++)
{
for(int j=0;j<16;j++)
{
if(num%2==0)
{
glColor3f(0.6f,0.6f,0.6f);
}
else
{
glColor3f(0.2f,0.2f,0.2f);
}
glRecti(width+i*25,length+j*25,width+(i+1)*25,length+(j+1)*25);
num++;
cout<<num<<endl;
}
num++;
}
glFlush();
}
///////////////////////////////////////
void main(int argc,char **argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
glutInitWindowSize(640,480);
glutInitWindowPosition(100,150);
glutCreateWindow("my second attempt");
glutDisplayFunc(myDisplay);
myInit();
glutMainLoop();
}
当初为了测试程序的正确性,添加了测试程序。读者使用时可以自己去掉