diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/guidetimeexamples.html --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/guidetimeexamples.html Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,183 @@ +Time Examples
SDL Library Documentation
PrevChapter 4. ExamplesNext

Time Examples

Time based game loop

#define TICK_INTERVAL    30
+
+static Uint32 next_time;
+
+Uint32 time_left(void)
+{
+    Uint32 now;
+
+    now = SDL_GetTicks();
+    if(next_time <= now)
+        return 0;
+    else
+        return next_time - now;
+}
+
+
+/* main game loop */
+
+    next_time = SDL_GetTicks() + TICK_INTERVAL;
+    while ( game_running ) {
+        update_game_state();
+        SDL_Delay(time_left());
+        next_time += TICK_INTERVAL;
+    }


PrevHomeNext
CDROM ExamplesUpSDL Reference
\ No newline at end of file