#include <GL/glut.h>

double angle = 0;
int color1=1;

void InitGL(void)
{
	glClearColor(0.0, 0.8, 0.8, 0.0);
	glClearDepth( 1.0 );
	glEnable( GL_DEPTH_TEST ); //rysowanie z glebią ekranu
}

void Idle(void){
	angle +=5;
	glutPostRedisplay();
}
void text(char*string)
{
	char*p;
	for(p=string; *p;p++)
		glutBitmapCharacter(GLUT_BITMAP_TIMES_ROMAN_24, *p);
}

void reshape(int w, int h)
{
	GLdouble aspect = (GLdouble) w / h;
	glViewport (0, 0, (GLsizei) w, (GLsizei) h);
glMatrixMode(GL_PROJECTION);	//macierz projekcji
glLoadIdentity();				//zerowanie macierzy
if (w <= h)
glOrtho(-250.0, 250, -250./ aspect, 250.0/ aspect, -100, 100);
else
	glOrtho (-250.*aspect, 250.*aspect, -250, 250, -100.0, 100);
glMatrixMode(GL_MODELVIEW);		//macierz wyglądu
glLoadIdentity();
}

void displayCallBack(void)
{
	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); //czyszczenie buforów

	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
	glColor3d(0.1,0.3,0);
glRotatef(15, 1, 1, 0);
glRotatef(15,0,1,0);
glutSolidCube(100);

glLoadIdentity();
glColor3d(0,0,0);
glRasterPos2f(-200,200);
text("BLABLLABLA");


glColor3d(1,0,0);
glRotatef(angle,1.0,0.0,0.0);
glRotatef(15.0,0.0,1.0,0.0);
	glFlush();

	glutSwapBuffers();	//zamienia bufory

	if(color1 == 1) glColor3d(1,0,0);
	if(color1 == 2) glColor3d(1,1,0);
}

void Keyboard(unsigned char key, int x, int y)
{
	switch(key)
	{
	case '1':
		color1 = 1;
		break;
	case '2':
		color1 = 2;
		break;
	case 27: case 'q':
		exit(0);
		break;
	}
}

void main(int argc, char** argv)
{
  glutInit(&argc, argv);

  glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
  glutInitWindowSize(600, 600);
  glutCreateWindow("Program_1");


  InitGL();

  float pos[4] = { 1.50F, 3.50F, 0.25F, 0.00F };
  float dir[3] = {-1, -1, -1};
  glEnable(GL_COLOR_MATERIAL);
  glEnable(GL_LIGHTING);
  glEnable(GL_LIGHT0);

  glLightfv(GL_LIGHT0, GL_POSITION, pos);
  glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, dir);


  glutReshapeFunc(reshape);
  glutDisplayFunc(displayCallBack);
  glutMainLoop();

  glutIdleFunc(Idle);
  glutMainLoop();
  float pos[4] = {0.90F, 0.90F, 2.25F, 0.00F};
  glutKeyboardFunc(Keyboard);
  glutIdleFunc(Idle);

}