void input(parg_event evt, float x, float y, float z)
{
char key = (char) x;
switch (evt) {
case PARG_EVENT_KEYPRESS:
if (key == ' ') {
mode_highp = !mode_highp;
printf("Precision %s.\n", mode_highp ? "on" : "off");
parg_zcam_touch();
} else if (key == 'G') {
showgrid = 1 - showgrid;
parg_zcam_touch();
} else if (key == 'D') {
if (!mode_demo_start) {
mode_demo_start = current_time;
mode_demo_direction = 1 - mode_demo_direction;
}
}
break;
case PARG_EVENT_DOWN:
parg_zcam_grab_begin(x, y);
break;
case PARG_EVENT_UP:
parg_zcam_grab_update(x, y, z);
parg_zcam_grab_end();
break;
case PARG_EVENT_MOVE:
parg_zcam_grab_update(x, y, z);
break;
default:
break;
}
}
void input(parg_event evt, float x, float y, float z)
{
switch (evt) {
case PARG_EVENT_DOWN:
parg_zcam_grab_begin(x, y);
break;
case PARG_EVENT_UP:
parg_zcam_grab_update(x, y, z);
parg_zcam_grab_end();
break;
case PARG_EVENT_MOVE:
parg_zcam_grab_update(x, y, z);
break;
default:
break;
}
}
int tick(float winwidth, float winheight, float pixratio, float seconds)
{
current_time = seconds;
fbsize.x = winwidth * pixratio;
fbsize.y = winheight * pixratio;
parg_zcam_tick(winwidth / winheight, seconds);
if (mode_demo_start) {
double t = (current_time - mode_demo_start) / DEMO_DURATION;
if (t >= 1) {
mode_demo_start = 0;
}
float scrolldelta = mode_demo_direction ? -3 : 3;
parg_zcam_grab_update(TARGETPOS.x, TARGETPOS.y, scrolldelta);
}
return parg_zcam_has_moved();
}