new file mode 100644
--- /dev/null
+++ b/pmc/main.cc
@@ -0,0 +1,107 @@
+/***
+ *
+ * $Id: main.cc,v 1.1.1.1 2008-04-28 17:33:22 mbroeker Exp $
+ * $Source: /development/cpp/pmc/main.cc,v $
+ *
+ */
+
+#include <cube.h>
+#include <SDL/SDL.h>
+
+unsigned long color;
+SDL_Surface *screen;
+
+#ifndef STEP
+#define STEP 1
+#endif
+
+int main (int argc, char **argv)
+{
+
+    unsigned long red, black;
+    SDL_Event event;
+
+    if (argc != 2) {
+        std::cout << "USAGE: " << argv[0]
+            << " height" << std::endl;
+        exit (0);
+    }
+    int h = atoi (argv[1]);
+
+    if ((h < 10) || (h >= 360))
+        h = 200;
+
+    Vector p1 (0, 0, 0);
+    Vector p2 (0, h, 0);
+    Vector p3 (h, 0, 0);
+    Vector p4 (h, h, 0);
+
+    SDL_Init (SDL_INIT_VIDEO);
+    screen = SDL_SetVideoMode (1010, 700, 16, SDL_HWSURFACE);
+    red = SDL_MapRGB (screen->format, 0xff, 0x00, 0x00);
+    black = SDL_MapRGB (screen->format, 0x00, 0x00, 0x00);
+
+    Cube *c = new Cube (p1, p2, p3, p4, h);
+    Cube *d = new Cube (p1, p2, p3, p4, h);
+
+    c->move (Vector (100, 250, 0));
+    d->move (Vector (400, 250, 0));
+
+    bool running = true;
+    int x, y, z;
+
+    x = y = z = 0;
+
+    while (running) {
+        SDL_PollEvent (&event);
+
+        if (event.type == SDL_QUIT)
+            running = false;
+
+        if (event.type == SDL_KEYDOWN) {
+            color = black;
+            c->show ();
+            d->show ();
+            color = red;
+
+            switch (event.key.keysym.sym) {
+            case SDLK_ESCAPE:
+                running = false;
+                break;
+
+            case SDLK_UP:
+                c->move ((Vector (x, y - STEP, z)));
+                d->move ((Vector (x, y - STEP, z)));
+                break;
+
+            case SDLK_DOWN:
+                c->move ((Vector (x, y + STEP, z)));
+                d->move ((Vector (x, y + STEP, z)));
+                break;
+
+            case SDLK_LEFT:
+                c->move ((Vector (x - STEP, y, z)));
+                d->move ((Vector (x - STEP, y, z)));
+                break;
+
+            case SDLK_RIGHT:
+                c->move ((Vector (x + STEP, y, z)));
+                d->move ((Vector (x + STEP, y, z)));
+                break;
+            default:
+                break;
+            }
+
+            c->show ();
+            d->show ();
+            SDL_Flip (screen);
+        }
+    }
+
+    delete c;
+    delete d;
+
+    SDL_Quit ();
+
+    return 0;
+}