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Code Issues Activity Actions

Piano: Add attack

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This commit is contained in:
William McPherson 2020-02-05 15:13:04 +11:00 • committed by Andreas Kling
parent 5990b3b2e6
commit ab9475a3f3
6 changed files with 62 additions and 10 deletions
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13
Applications/Piano/KnobsWidget.cpp
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@ -50,6 +50,7 @@ KnobsWidget::KnobsWidget(GUI::Widget* parent, AudioEngine& audio_engine, MainWid
m_octave_label = GUI::Label::construct("Octave", m_labels_container);
m_wave_label = GUI::Label::construct("Wave", m_labels_container);
m_attack_label = GUI::Label::construct("Attack", m_labels_container);
m_decay_label = GUI::Label::construct("Decay", m_labels_container);
m_sustain_label = GUI::Label::construct("Sustain", m_labels_container);
m_delay_label = GUI::Label::construct("Delay", m_labels_container);
@ -61,6 +62,7 @@ KnobsWidget::KnobsWidget(GUI::Widget* parent, AudioEngine& audio_engine, MainWid
m_octave_value = GUI::Label::construct(String::number(m_audio_engine.octave()), m_values_container);
m_wave_value = GUI::Label::construct(wave_strings[m_audio_engine.wave()], m_values_container);
m_attack_value = GUI::Label::construct(String::number(m_audio_engine.attack()), m_values_container);
m_decay_value = GUI::Label::construct(String::number(m_audio_engine.decay()), m_values_container);
m_sustain_value = GUI::Label::construct(String::number(m_audio_engine.sustain()), m_values_container);
m_delay_value = GUI::Label::construct(String::number(m_audio_engine.delay() / m_audio_engine.tick()), m_values_container);
@ -93,6 +95,17 @@ KnobsWidget::KnobsWidget(GUI::Widget* parent, AudioEngine& audio_engine, MainWid
m_wave_value->set_text(wave_strings[new_wave]);
};
constexpr int max_attack = 1000;
m_attack_knob = GUI::Slider::construct(Orientation::Vertical, m_knobs_container);
m_attack_knob->set_range(0, max_attack);
m_attack_knob->set_value(max_attack - m_audio_engine.attack());
m_attack_knob->on_value_changed = [this](int value) {
int new_attack = max_attack - value;
m_audio_engine.set_attack(new_attack);
ASSERT(new_attack == m_audio_engine.attack());
m_attack_value->set_text(String::number(new_attack));
};
constexpr int max_decay = 1000;
m_decay_knob = GUI::Slider::construct(Orientation::Vertical, m_knobs_container);
m_decay_knob->set_range(0, max_decay);