ParticleDescription * ParticleEditor::GetSelectedEmitterState()
{
ParticleEmitter* emitter = GetSelectedEmitter();
auto& states = emitter->GetStates();
if(state_index_ < states.size())
{
return & states[state_index_];
}
return nullptr;
}
void ParticleEditor::SelectEmitterState(size_t index)
{
if(state_index_ == index)
{
return;
}
ParticleEmitter* emitter = GetSelectedEmitter();
state_index_ = index;
state_index_ = clamp(state_index_, (size_t) 0, emitter->GetStates().size() - 1);
refresh_state_ui();
}
