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Doh! Compile error if there was no X11 shared image support
author Sam Lantinga <slouken@libsdl.org>
date Mon, 02 Dec 2002 01:47:03 +0000
parents e5bc29de3f0a
children 355632dca928
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>Time Examples</A
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>Time based game loop</A
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>#define TICK_INTERVAL    30

static Uint32 next_time;

Uint32 time_left(void)
{
    Uint32 now;

    now = SDL_GetTicks();
    if(next_time &#60;= 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;
    }&#13;</PRE
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