Mercurial > MadButterfly
view examples/dynamic/hello.c @ 795:46a4cd4d382b
Remove dependent on system time to gain frame rate
Date.now() would read system time. It is ineffeciency in for some
implementation. To gain frame rate, we should rely on accuration of
setInterval().
author | Thinker K.F. Li <thinker@codemud.net> |
---|---|
date | Tue, 31 Aug 2010 10:04:15 +0800 |
parents | 26c302b47de1 |
children |
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/*! \file * * svg2code_ex is an example that show programmers how to create a * menu with MadButterfly. * */ #include <stdio.h> #include <mb.h> #include <string.h> //#include "menu.h" #include "mb_af.h" mbaf_t *app; typedef struct { shape_t *rect; co_aix orx,ory; int start_x,start_y; observer_t *obs1,*obs2; int currentscene; }app_data_t; void switch_scene(const mb_timeval_t *tmo, const mb_timeval_t *now,void *arg) { app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t ); mb_timeval_t timer,interval; get_now(&timer); MB_TIMEVAL_SET(&interval, 1 ,0); MB_TIMEVAL_ADD(&timer, &interval); mb_tman_timeout( mbaf_get_timer(app), &timer, switch_scene, app); en->currentscene = (en->currentscene + 1) % 2; printf("switch to scene %d\n", en->currentscene + 1); MB_SPRITE_GOTO_SCENE(app->rootsprite,en->currentscene + 1); } int main(int argc, char * const argv[]) { subject_t *subject; mb_button_t *b; mb_obj_t *button; app_data_t data; mb_timeval_t tmo,interval; if (argc > 1) app = mbaf_init(argv[1], ""); else app = mbaf_init("scene", ".libs"); data.currentscene=0; mbaf_set_data(app,&data); //b = mb_button_new(app, app->rootsprite, "btn"); //mb_button_add_onClick(b, test,NULL); get_now(&tmo); MB_TIMEVAL_SET(&interval, 1 ,0); mb_tman_timeout( mbaf_get_timer(app), &tmo, switch_scene, app); mbaf_loop(app); return 0; } /* vim: set ts=4 */