#include <GL/glut.h>
 int color1=1;
double angle=0;
//myszunia
int mucka = -1;
GLdouble click_x = 0, click_y = 0;
float na_x, na_y;
float zoom = 1;
static GLdouble coordX = 0.0, coordY = 0.0;
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
 glTranslatef( coordX,coordY,0);
	glRotatef(na_x,0,1,0);
	glRotatef(na_y,1,0,0);
	glScalef(zoom,zoom,zoom);
    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
 if(color1 == 1)glColor3d(1,0,0);
    if(color1 == 2)glColor3d(1,1,0);
     glRotatef(angle, 1.0, 0.0, 0.0);
glRotatef(15, 1, 1, 0);
glRotatef(15,0,1,0);
glutSolidCube(100);
       
 glLoadIdentity();
 glColor3d(0,0,0);
 glRasterPos2f(-200,200);
 text("jgklfjagljfalgjfa");
   
    glFlush();
 
    glutSwapBuffers();  //zamienia bufory
 
}


void myMouse(int button, int state, int mouseX, int mouseY)
{
	if(state == GLUT_DOWN) {
		switch(button){
		case GLUT_LEFT_BUTTON:
			mucka=0;
			break;
		case GLUT_MIDDLE_BUTTON:
			mucka=1;
			break;
		case GLUT_RIGHT_BUTTON:
			mucka=2;
			break;
		} }
	click_x = mouseX;
	click_y = mouseY;
}
void myMotion(int mouseX, int mouseY)
{
	if(mucka==0)
	{
		coordX -=(click_x - mouseX);
		coordY += (click_y - mouseY);
	}
	else if (mucka==1)
	{
		zoom +=(click_x - mouseX)*0.05;
	}
	else if (mucka==2)
	{
		na_x -=(click_x - mouseX);
		na_y +=(click_y - mouseY);
	}
	click_x = mouseX;
	click_y = mouseY;
	glutPostRedisplay();
}

void Klawiatura(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] = { 0.90F,0.90F,2.25F, 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);
  
  glutMouseFunc(myMouse);
  glutMotionFunc(myMotion);
  glutIdleFunc(Idle);
 
 
  glutReshapeFunc(reshape);
  glutDisplayFunc(displayCallBack);
  glutKeyboardFunc(Klawiatura);
  glutIdleFunc(Idle);
  glutMainLoop();

 
}