TUGAS GRAFKOM Q 5

Bulat bergaris


keterangan : 
pakek openGL microsoft visual c++ 2010 express.


source code



#include <stdafx.h>
#include <glut.h>
#include <math.h>



void display()
{
glClear(GL_COLOR_BUFFER_BIT);

 float alpha, radius, cx, cy;
 cx=25;
 cy=25;
 alpha = 0;
 radius = 12;

 glBegin(GL_LINE_STRIP);
 {
  for(float i=0; i<=360; i++)
  {
   alpha+=1;
   glVertex2f(radius * cos (alpha/180 * 3.1415) + cx, radius * sin(alpha/180 * 3.1415) + cy);
  }

 }

 glEnd();


 glBegin(GL_LINES);
glVertex2f(14,20);
glVertex2f(14,30);

glVertex2f(15,18);
glVertex2f(15,32);

glVertex2f(16,17);
glVertex2f(16,33);

glVertex2f(17,16);
glVertex2f(17,34);

glVertex2f(18,15);
glVertex2f(18,35);

glVertex2f(19,14);
glVertex2f(19,35);
//------------------------
glVertex2f(20,14);
glVertex2f(20,36);

glVertex2f(21,14);
glVertex2f(21,36);
//------------------------------
glVertex2f(22,13);
glVertex2f(22,37);

glVertex2f(23,13);
glVertex2f(23,37);

glVertex2f(24,13);
glVertex2f(24,37);

glVertex2f(25,13);
glVertex2f(25,37);

glVertex2f(26,13);
glVertex2f(26,37);

glVertex2f(27,13);
glVertex2f(27,37);

glVertex2f(28,13);
glVertex2f(28,37);

glVertex2f(29,14);
glVertex2f(29,36);
//------------------------------
glVertex2f(30,14);
glVertex2f(30,36);

glVertex2f(31,14);
glVertex2f(31,36);

glVertex2f(32,15);
glVertex2f(32,35);

glVertex2f(33,16);
glVertex2f(33,34);

glVertex2f(34,17);
glVertex2f(34,33);

glVertex2f(35,18);
glVertex2f(35,32);

glVertex2f(36,20);
glVertex2f(36,30);
//------------------------------
 glEnd();

 glFlush();
}
void myinit()
{
 glMatrixMode(GL_PROJECTION);
 glLoadIdentity();
 gluOrtho2D(0.0, 50.0, 0.0, 50.0);
 glMatrixMode(GL_MODELVIEW);
 glClearColor(1.0,1.0,1.0,1.0);
 glColor3f(0.0,0.0,0.0);
}

int main(int argc, char* argv[])
{
 glutInit(&argc,argv);
 glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
 glutInitWindowSize(400,400);
 glutInitWindowPosition(50,50);
 glutCreateWindow("testing1");
 glutDisplayFunc(display);
 myinit();
 glutMainLoop();

 return 0;
}