*****Zad1*****
    switch(key)
    {
    case 'a':
        glRotatef(10, 0, 1, 0);
        break;
    case 's':
        glRotatef(10, 1, 0, 0);
        break;
    case 'd':
        glRotatef(-10, 0, 1, 0);
        break;
    case 'w':
        glRotatef(-10, 1, 0, 0);
        break;
    case 'q':
        glRotatef(10, 0, 0, 1);
        break;
    case 'e':
        glRotatef(-10, 0, 0, 1);
        break;
}
*****Zad3*****
void init_texture(void)
{
    glEnable(GL_DEPTH_TEST);
    glDepthFunc(GL_LESS);

    Image *image1 = loadTexture("satin.bmp");
    if (image1 == NULL)
    {
        printf("Image was not returned from loadTexture\n");
        exit(0);
    }

    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
    // Create Texture
    glGenTextures(2, texture);
    glBindTexture(GL_TEXTURE_2D, texture[0]);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

    //TO DO Task 3
    //add texture from code stored in tex_brick

    glTexImage2D(GL_TEXTURE_2D, 0, 3, 8, 8, 0,
        GL_RGB, GL_UNSIGNED_BYTE, tex_brick);
    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);

    //TO DO Task 3
    //add second texture into texture[1] read from file

    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
    // Create Texture
    //glGenTextures(2, texture);
    glBindTexture(GL_TEXTURE_2D, texture[1]);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

    glTexImage2D(GL_TEXTURE_2D, 0, 3, image1->sizeX, image1->sizeY, 0,
        GL_RGB, GL_UNSIGNED_BYTE, image1->data);
    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);

    free(image1);


    glEnable(GL_TEXTURE_2D);
    glShadeModel(GL_FLAT);
}

glBindTexture(GL_TEXTURE_2D, texture[0]);
    glPushMatrix();
    //TO DO Task 3

    glTranslatef(4, 0, 0);
    glutSolidTeapot(1.0);
    glPopMatrix();

    //TO DO Task 3
    glBindTexture(GL_TEXTURE_2D, texture[1]);
    glPushMatrix();
    //TO DO Task 3

    glTranslatef(-4, 0, 0);
    glutSolidTeapot(1.0);
    glPopMatrix();
*****Zad4*****
void init_fog(void)
{
    glFogi(GL_FOG_MODE, fogMode[fogfilter]);         // Fog mode
    glFogfv(GL_FOG_COLOR, fogColor);         // Set fog color
    glFogf(GL_FOG_DENSITY, fogDensity);         // Density of fog
    glHint(GL_FOG_HINT, GL_DONT_CARE);         // kind of creation - pixel or vertex
    glFogf(GL_FOG_START, 1.0f);         // length from begin
    glFogf(GL_FOG_END, 5.0f);         // length to end
    if (fogOn)
        glEnable(GL_FOG);         // Enable GL_FOG
    else
        glDisable(GL_FOG);
}

case 'f':
        fogOn = !fogOn;
        init_fog();
        break;
    case ' ':
        fogfilter = fogfilter >= 2 ? 0 : ++fogfilter;
        init_fog();
        break;
    case '+':
        fogDensity += 0.1f;
        init_fog();
        break;
    case '-':
        fogDensity = fogDensity <= 0 ? 0 : fogDensity - 0.1f;
        init_fog();
        break;
    }
*****Zad5*****