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GUI: prepare for oscilloscope improvements

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This commit is contained in:
tildearrow 2022-04-09 02:42:58 -05:00
parent 320250b831
commit 7bf2a3ea1a
6 changed files with 65 additions and 17 deletions
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8
src/gui/volMeter.cpp
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@ -49,17 +49,9 @@ void FurnaceGUI::drawVolMeter() {
ImGuiStyle& style=ImGui::GetStyle();
ImGui::ItemSize(ImVec2(4.0f,4.0f),style.FramePadding.y);
ImU32 lowColor=ImGui::GetColorU32(uiColors[GUI_COLOR_VOLMETER_LOW]);
float peakDecay=0.05f*60.0f*ImGui::GetIO().DeltaTime;
if (ImGui::ItemAdd(rect,ImGui::GetID("volMeter"))) {
ImGui::RenderFrame(rect.Min,rect.Max,ImGui::GetColorU32(ImGuiCol_FrameBg),true,style.FrameRounding);
for (int i=0; i<2; i++) {
peak[i]*=1.0-peakDecay;
if (peak[i]<0.0001) peak[i]=0.0;
for (int j=0; j<e->oscSize; j++) {
if (fabs(e->oscBuf[i][j])>peak[i]) {
peak[i]=fabs(e->oscBuf[i][j]);
}
}
float logPeak=(20*log10(peak[i])/36.0);
if (logPeak==NAN) logPeak=0.0;
if (logPeak<-1.0) logPeak=-1.0;