mh.cpp

来自「a source code for banker s algorithm」· C++ 代码 · 共 55 行

#include<windows.h>
#include<gl.h>
#include<glut.h>
 
void myInit(void)
{
 glClearColor(0.0,1.0,0.0,1.0);
 glColor3f(0.6f,0.6f,0.6f);
 glPointSize(4.0);
 gluOrtho2D(0.0,640.0,0.0,480.0);
}
void myDisplay()
{
 float j;
for(j=0;j<150;j+=2)
 {
	
 glClear(GL_COLOR_BUFFER_BIT);
 glBegin(GL_LINES);  
 
 glVertex2i(100,100);
 glVertex2i(300,100);

 glVertex2i(100,100);
 glVertex2i(100,200);

 glVertex2i(300,100);
 glVertex2i(300,200);

 glVertex2i(300,200);
 glVertex2i(100,200);

 glVertex2i(200,300);
 glVertex2i(100,200);

 glVertex2i(200,300);
 glVertex2i(300,200);

 }

 
 glEnd();
 glFlush();
}
void main(int argc,char **argv)
{
 glutInit(&argc,argv);
 glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
 glutInitWindowSize(640,480);
 glutInitWindowPosition(100,50);
 glutCreateWindow("vertices");
 glutDisplayFunc(myDisplay);
 myInit();
 glutMainLoop();
}