//---------------------------------------------------------------------------
// newFrameData
//---------------------------------------------------------------------------
FrameData *newFrameData( Shared *shared )
{
FrameData *framedata;
if ( frameDataBuffer == NULL )
{
framedata = (FrameData *) mpkMalloc( sizeof(FrameData) );
}
else
{
framedata = frameDataBuffer;
frameDataBuffer = framedata->next;
}
framedata->next = NULL;
framedata->time = gettime() - shared->starttime;
ui_move(framedata->time);
framedata->r_eyecluster = g->r_eyecluster;
framedata->r_eyepos[0] = g->r_eyepos[0];
framedata->r_eyepos[1] = g->r_eyepos[1];
framedata->r_eyepos[2] = g->r_eyepos[2];
framedata->r_eye_az = g->r_eye_az;
framedata->r_eye_el = g->r_eye_el;
return framedata;
}
static void
display(void)
{
double time;
time = (double) SDL_GetTicks() / 1000.0 - starttime;
ui_move(time);
ui_display(r_context, time);
hud_render(r_context);
SDL_GL_SwapBuffers();
}
static void ui_toolbox_update_buttons(struct ui_toolbox *tb) {
sf_list_iter_t iter;
float xstep;
float x;
/*
* 假设每个 buttons 的宽度相同，高度和 toolbox 一样。
* 后期改进可以使用权重来计算每个 button 的位置。
*/
xstep = tb->ui.area.w * 1.0f / (sf_list_cnt(&tb->buttons) + 1);
x = xstep;
if (sf_list_begin(&tb->buttons, &iter)) do {
struct ui *button = *(struct ui**) sf_list_iter_elt(&iter);
ui_move(button, x - button->area.w / 2, 0);
x += xstep;
} while (sf_list_iter_next(&iter));
}
