void Menu(int value)
{
switch (value)
{
// Wenus
case VENUS_TEX:
texture = VENUS;
DisplayScene();
break;
// Ziemia
case EARTH_TEX:
texture = EARTH;
DisplayScene();
break;
// Mars
case MARS_TEX:
texture = MARS;
DisplayScene();
break;
// Jowisz
case JUPITER_TEX:
texture = JUPITER;
DisplayScene();
break;
// filtr pomniejszający
case GL_NEAREST_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
case GL_LINEAR_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_LINEAR:
min_filter = value;
DisplayScene();
break;
// obszar renderingu - całe okno
case FULL_WINDOW:
aspect = FULL_WINDOW;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
break;
// obszar renderingu - aspekt 1:1
case ASPECT_1_1:
aspect = ASPECT_1_1;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
break;
// wyjście
case EXIT:
exit(0);
}
}
void Reshape(int width, int height)
{
// obszar renderingu - całe okno
glViewport(0, 0, width, height);
// wybór macierzy rzutowania
glMatrixMode(GL_PROJECTION);
// macierz rzutowania = macierz jednostkowa
glLoadIdentity();
// parametry bryły obcinania
if (aspect == ASPECT_1_1)
{
// wysokość okna większa od wysokości okna
if (width < height && width > 0)
glFrustum(left, right, bottom*height / width, top*height / width, near, far);
else
// szerokość okna większa lub równa wysokości okna
if (width >= height && height > 0)
glFrustum(left*width / height, right*width / height, bottom, top, near, far);
}
else
glFrustum(left, right, bottom, top, near, far);
// generowanie sceny 3D
DisplayScene();
}
void Menu(int value)
{
switch (value)
{
// filtr pomniejszający
case GL_NEAREST_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
case GL_LINEAR_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_LINEAR:
min_filter = value;
DisplayScene();
break;
// obszar renderingu - całe okno
case FULL_WINDOW:
aspect = FULL_WINDOW;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
break;
// obszar renderingu - aspekt 1:1
case ASPECT_1_1:
aspect = ASPECT_1_1;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
break;
// wyjście
case EXIT:
exit(0);
}
}
void Keyboard(unsigned char key, int x, int y)
{
// klawisz +
if (key == '+')
fog_density += 0.05;
else
// klawisz -
if (key == '-' && fog_density > 0.05)
fog_density -= 0.05;
// narysowanie sceny
DisplayScene();
}
void Keyboard(unsigned char key, int x, int y)
{
// klawisz +
if (key == '+')
scale += 0.05;
else
// klawisz -
if (key == '-' && scale > 0.05)
scale -= 0.05;
// narysowanie sceny
DisplayScene();
}
void Menu(int value)
{
switch (value)
{
// rodzaj mg³y
case GL_LINEAR:
case GL_EXP:
case GL_EXP2:
fog_mode = value;
DisplayScene();
break;
// GL_FOG_HINT
case GL_FASTEST:
case GL_DONT_CARE:
case GL_NICEST:
fog_hint = value;
DisplayScene();
break;
// obszar renderingu - ca³e okno
case FULL_WINDOW:
aspect = FULL_WINDOW;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
break;
// obszar renderingu - aspekt 1:1
case ASPECT_1_1:
aspect = ASPECT_1_1;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
break;
// wyjœcie
case EXIT:
exit(0);
}
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nShowCmd)
{
MSG msg; // message
bool done; // flag for when app is done
// create our window and set up OpenGL
SetupWindow("CS447-Textures", 800, 600, 32, FALSE);
done = false; // init for loop
// main message loop. note to use PeekMessage not GetMessage
while (!done)
{
// use Peek because GetMessage halts app
if (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) // check for a message
{
if (msg.message == WM_QUIT)
{
done = true; // if receive quit then quit
}
else
{
TranslateMessage(&msg); // translate to event queue
DispatchMessage(&msg); // dispatch to event queue
}
}
else
{
DisplayScene(); // render current scene
SwapBuffers(g_HDC); // bring back buffer to front
}
}
KillWindow(); // cleanup
return msg.wParam;
}
void Menu(int value)
{
GLint tmp_texture;
switch (value)
{
// kompresja tekstur - GL_FASTEST
case TEXTURE_COMPRESSION_FASTEST:
{
texture_compression_hint = GL_FASTEST;
tmp_texture = texture;
GenerateTextures();
texture = tmp_texture;
DisplayScene();
}
break;
// kompresja tekstur - GL_DONT_CARE
case TEXTURE_COMPRESSION_DONT_CARE:
{
texture_compression_hint = GL_DONT_CARE;
tmp_texture = texture;
GenerateTextures();
texture = tmp_texture;
DisplayScene();
}
break;
// kompresja tekstur - GL_NICEST
case TEXTURE_COMPRESSION_NICEST:
{
texture_compression_hint = GL_NICEST;
tmp_texture = texture;
GenerateTextures();
texture = tmp_texture;
DisplayScene();
}
break;
// tekstura white_skin_guy_black_hairs
case TEXTURE_LENA:
{
texture = LENA;
DisplayScene();
}
break;
// teksura white_skin_guy_black_hairs nieskompresowana
case TEXTURE_LENA_UNC:
{
texture = LENA_UNC;
DisplayScene();
}
break;
// tekstura white_skin_guy_black_hairs_gray
case TEXTURE_LENA_GRAY:
{
texture = LENA_GRAY;
DisplayScene();
}
break;
// tekstura white_skin_guy_black_hairs_gray nieskompresowana
case TEXTURE_LENA_GRAY_UNC:
{
texture = LENA_GRAY_UNC;
DisplayScene();
}
break;
// obszar renderingu - całe okno
case FULL_WINDOW:
{
aspect = FULL_WINDOW;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
}
break;
// obszar renderingu - aspekt 1:1
case ASPECT_1_1:
{
aspect = ASPECT_1_1;
Reshape(glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT));
}
break;
// wyjście
case EXIT:
exit(0);
}
}