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Source/Components/Displays/ChorusVisualizer.cpp Normal file
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/*
==============================================================================
ChorusVisualizer.cpp
Created: 30 Jan 2024 6:12:49pm
Author: binya
==============================================================================
*/
#include <JuceHeader.h>
#include "ChorusVisualizer.h"
ChorusVisualizer::ChorusVisualizer(APVTS& apvts, int sampleRate) :
apvts(apvts), sampleRate(sampleRate),
rateAttachment(*apvts.getParameter(PluginParameters::CHORUS_RATE), [this](float newValue) { rate = newValue; repaint(); }, apvts.undoManager),
depthAttachment(*apvts.getParameter(PluginParameters::CHORUS_DEPTH), [this](float newValue) { depth = newValue; repaint(); }, apvts.undoManager),
centerDelayAttachment(*apvts.getParameter(PluginParameters::CHORUS_CENTER_DELAY), [this](float newValue) { centerDelay = newValue; repaint(); }, apvts.undoManager)
{
rateAttachment.sendInitialUpdate();
depthAttachment.sendInitialUpdate();
centerDelayAttachment.sendInitialUpdate();
}
void ChorusVisualizer::paint(juce::Graphics& g)
{
auto theme = getTheme();
juce::Path path;
constexpr int pointsPerPixel = 10;
for (int i = 0; i < getWidth() * pointsPerPixel; i++)
{
float pos = float(i) / pointsPerPixel;
float lfo = std::sin(WINDOW_LENGTH * rate * pos / getWidth() * 2 * juce::MathConstants<float>::pi);
float skewedDepth = logf(depth) + b;
float delay = centerDelay * 0.98f + skewedDepth * lfo * multiplier;
float loc = juce::jmap<float>(delay, -oscRange, oscRange, float(getHeight()), 0.f);
if (i == 0)
path.startNewSubPath(pos, loc);
else
path.lineTo(pos, loc);
}
auto strokeWidth = getWidth() * Layout::fxDisplayStrokeWidth;
g.setColour(theme.dark.withAlpha(0.2f));
g.drawRect(0.f, (getHeight() - strokeWidth) / 2.f, float(getWidth()), strokeWidth);
g.setColour(theme.dark);
g.strokePath(path, juce::PathStrokeType(strokeWidth));
if (!isEnabled())
g.fillAll(theme.background.withAlpha(0.5f));
}
void ChorusVisualizer::enablementChanged()
{
repaint();
}