Install adb on mac os

Persegi Animasi

#include 
#include 
#include 
#include 

static GLfloat spin= 0.0;
void init(void)
{
 glClearColor (0.0, 0.0, 0.0, 0.0);
 glShadeModel (GL_FLAT);
}

void display(void)
{
 glClear(GL_COLOR_BUFFER_BIT);
 glPushMatrix();
 glRotatef(spin, 0.0, 0.0, 1.0);
 glColor3f(1.0, 1.0, 1.0);
 glRectf(-25.0, -25.0, 25.0, 25.0);
 glPopMatrix();
 glutSwapBuffers();
}

void spinDisplay(void) 
{
 spin = spin + 2.0;
 if (spin > 360.0)
 spin = spin - 360.0;
 glutPostRedisplay();
}


void reshape(int w, int h)
{
 glViewport (0, 0, (GLsizei) w, (GLsizei) h);
 glMatrixMode(GL_PROJECTION);
 glLoadIdentity();
 glOrtho(-50.0, 50.0, -50.0, 50.0, -1.0, 1.0);
 glMatrixMode(GL_MODELVIEW);
 glLoadIdentity();
}

void mouse(int button, int state, int x, int y)
{
 switch (button) {
  case GLUT_LEFT_BUTTON:
  if (state == GLUT_DOWN)
   glutIdleFunc(spinDisplay);
 break;
  case GLUT_MIDDLE_BUTTON:
  if (state == GLUT_DOWN)
   glutIdleFunc(NULL);
  break;
 default:
 break;
 }
}


int main(int argc, char** argv)
{
 glutInit(&argc, argv);
 glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
 glutInitWindowSize (250, 250);
 glutInitWindowPosition (100, 100);
 glutCreateWindow (argv[0]);
 init ();
 glutDisplayFunc(display);
 glutReshapeFunc(reshape);
 glutMouseFunc(mouse); 
 glutMainLoop();
 return 0;
}

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