void display()
{
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);  
  glLoadIdentity();  

    glTranslatef(0, -2, -50);      
    glRotatef(rotation, 1, 0, 0);

	int i;
	for(i=0; i < size*size; i++) {
		//printf("%d", i);
		int temp = maze[i];
	    if((temp&1) == 1) { //wall in da north
			//printf("n");
			glBegin(GL_QUADS);
		        glColor3f(0, 0.3, 0);         
		        glVertex3f(1, 0, -1);    
		        glVertex3f(1, 2, -1);    
		        glVertex3f(-1, 2, -1);    
		        glVertex3f(-1, 0, -1);    
		    glEnd();
		}
		
	    if((temp&4) == 4) { //wall in da east
			//printf("o");
		    glBegin(GL_QUADS);
		        glColor3f(0, 0.1, 0);         
		        glVertex3f(1, 0, -1);    
		        glVertex3f(1, 2, -1);    
		        glVertex3f(1, 2, 1);    
		        glVertex3f(1, 0, 1);    
		    glEnd();
		}
		
	    if((temp&2) == 2) { //wall in da south
			//printf("s");
		    glBegin(GL_QUADS);
		        glColor3f(0, 1, 0);         
		        glVertex3f(-1, 0, 1);    
		        glVertex3f(-1, 2, 1);    
		        glVertex3f(1, 2, 1);    
		        glVertex3f(1, 0, 1);    
		    glEnd();                          
		}
		
	    if((temp&8) == 8) { //wall ind da west
	    	//printf("w");
			glBegin(GL_QUADS);
		        glColor3f(0, 0.8, 0);         
		        glVertex3f(-1, 0, 1);    
		        glVertex3f(-1, 2, 1);    
		        glVertex3f(-1, 2, -1);    
		        glVertex3f(-1, 0, -1);    
		    glEnd();
		}
		//printf("%d", (i%size));
		//printf("\n");
		if((i)%size == 2) {
			glTranslatef(-((size*2)-2), 0, 2);  
		}
		else {
			glTranslatef(2, 0, 0);
		}
	}
    glutSwapBuffers();
}