view docs/html/guidetimeexamples.html @ 1200:8f418dce02b2

Date: Sun, 11 Dec 2005 20:37:04 +0100 From: Olivier Boudeville <olivier.boudeville@online.fr> To: "A list for developers using the SDL library. \(includes SDL-announce\)" <sdl@libsdl.org> Subject: [SDL] NetBSD build patch Hi everybody, apparently the SDL-1.2.9 source archive could not compile "as is" on NetBSD 2.0_STABLE due to a pthread detection issue in the configure script. I attached a small patch that can be applied to configure.in so that SDL can be directly (i.e. without the NetBSD package manager) configured and built successfully on NetBSD (at least on the one I tried !). Hope this helps, Olivier.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 12 Dec 2005 09:22:36 +0000
parents 355632dca928
children
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>Time Examples</H1
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>Time based game loop</H2
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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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