- copy->set_fade_in_active (true);
- copy->set_fade_in (FadeLinear, f);
- copy->set_fade_out (FadeLinear, f);
+ if (f > 0) {
+ copy->set_fade_in_active (true);
+ copy->set_fade_out_active (true);
+ copy->set_fade_in (FadeLinear, f);
+ copy->set_fade_out (FadeLinear, f);
+ } else {
+ copy->set_fade_in_active (false);
+ copy->set_fade_out_active (false);
+ }