Шаблон для приложения opengl+glut+osx

glut-osx.c

#include <stdlib.h>
#include <GLUT/glut.h>
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>


#define kWindowWidth	640
#define kWindowHeight	480

unsigned int delay= 10;

GLvoid InitGL(GLvoid)
{
  glShadeModel(GL_SMOOTH);
  glClearColor(0.0f, 0.0f, 0.0f, 0.0f);  
  glClearDepth(1.0f);
  glEnable(GL_DEPTH_TEST);
  glDepthFunc(GL_LEQUAL);
  glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
}

GLvoid DrawGLScene(GLvoid)
{
 
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  glLoadIdentity();

  //code

  glutSwapBuffers();
}

GLvoid ReSizeGLScene( GLsizei width, GLsizei height)
{
  if (height == 0)
  {
    height = 1;
  }
  glViewport(0, 0, width, height);
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  gluPerspective(45.0f, (GLfloat)width/(GLfloat)height, 0.1f, 100.0f);
  glMatrixMode( GL_MODELVIEW );
  glLoadIdentity();
  
}

GLvoid keyPressed(unsigned char key, int x, int y)
{
  switch (key) {
    case 27:  //ESC to exit
      exit(0);
      break;
      
    default:
      break;
  }
}

void timer(int value){
  //update the display
  glutPostRedisplay();
  //the timer function replaces idle AND is placed here
  glutTimerFunc(delay, timer, 0);
}

int main(int argc, char** argv)
{

  glutInit(&argc, argv);
  
  glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
  glutInitWindowSize(kWindowWidth, kWindowHeight);
  glutInitWindowPosition (100, 200);
  glutCreateWindow (argv[0]);
  InitGL();
  glutDisplayFunc(&DrawGLScene);
  glutReshapeFunc(&ReSizeGLScene);
  //glutIdleFunc(&DrawGLScene);  //Плохо
  glutTimerFunc(delay, timer, 0); 
  glutKeyboardFunc(&keyPressed);

  glutMainLoop();
  return EXIT_SUCCESS;
}