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N163: implement wave synth

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I hope this does not break any songs
This commit is contained in:
tildearrow 2022-04-12 00:17:34 -05:00
parent 0ea6437a86
commit e77ecfd04b
6 changed files with 118 additions and 29 deletions
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55
src/gui/osc.cpp
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@ -69,9 +69,6 @@ void FurnaceGUI::readOsc() {
e->oscReadPos=readPos;
}
// TODO:
// - draw reference level
// - draw guidelines
void FurnaceGUI::drawOsc() {
if (nextWindow==GUI_WINDOW_OSCILLOSCOPE) {
oscOpen=true;
@ -115,6 +112,7 @@ void FurnaceGUI::drawOsc() {
ImU32 color=ImGui::GetColorU32(isClipping?uiColors[GUI_COLOR_OSC_WAVE_PEAK]:uiColors[GUI_COLOR_OSC_WAVE]);
ImU32 borderColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BORDER]);
ImU32 refColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_REF]);
ImU32 guideColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_GUIDE]);
ImGui::ItemSize(size,style.FramePadding.y);
if (ImGui::ItemAdd(rect,ImGui::GetID("wsDisplay"))) {
// https://github.com/ocornut/imgui/issues/3710
@ -162,11 +160,60 @@ void FurnaceGUI::drawOsc() {
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.0f,0.5f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.0f,0.5f)),
ImLerp(rect.Min,rect.Max,ImVec2(1.0f,0.5f)),
refColor,
dpiScale
);
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.48f,0.125f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.52f,0.125f)),
guideColor,
dpiScale
);
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.47f,0.25f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.53f,0.25f)),
guideColor,
dpiScale
);
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.45f,0.375f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.55f,0.375f)),
guideColor,
dpiScale
);
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.45f,0.625f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.55f,0.625f)),
guideColor,
dpiScale
);
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.47f,0.75f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.53f,0.75f)),
guideColor,
dpiScale
);
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.48f,0.875f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.52f,0.875f)),
guideColor,
dpiScale
);
dl->AddLine(
ImLerp(rect.Min,rect.Max,ImVec2(0.5f,0.08f)),
ImLerp(rect.Min,rect.Max,ImVec2(0.5f,0.92f)),
guideColor,
dpiScale
);
for (size_t i=0; i<512; i++) {
float x=(float)i/512.0f;
float y=oscValues[i]*oscZoom;