画棋盘

来源：互联网发布：程序员接私活编辑：程序博客网时间：2024/06/10 08:50

#include<windows.h>
#include<gl/gl.h>
#include<gl/glu.h>
#include<gl/glut.h>
#define SIZE 40
void myInit()
{
glClearColor(1.0,1.0,1.0,0.0);
glColor3f(0.0f,0.0f,1.0f);
//glPointSize(4.0);
glLineWidth(1.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0,640,0.0,480);
}
void myDisplay()
{
int i,j;
glClearColor(1.0,1.0,1.0,0.0);
glClear(GL_COLOR_BUFFER_BIT);
for(i=0;i<16;i++)
for(j=0;j<12;j++)
   {
     if((i+j)%2==0)
        {
           glColor3f(0.6,0.6,0.6);
           glRecti(i*SIZE,j*SIZE,i*SIZE+50,j*SIZE+50);
         }
     else
        {
        glColor3f(0.2,0.2,0.2);
           glRecti(i*SIZE,j*SIZE,i*SIZE+50,j*SIZE+50);
         }
    }
glFlush();
}
void main(int argc,char** argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(640,480);
glutInitWindowPosition(100,150);
glutCreateWindow("my first attempt");
glutDisplayFunc(myDisplay);
myInit();
glutMainLoop();
}