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@olilarkin
Created August 7, 2022 22:15
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Rotate a rect around about its centre
#include "IPlugEffect.h"
#include "IPlug_include_in_plug_src.h"
#include "IControls.h"
IPlugEffect::IPlugEffect(const InstanceInfo& info)
: iplug::Plugin(info, MakeConfig(kNumParams, kNumPresets))
{
GetParam(kGain)->InitDouble("Gain", 0., 0., 100.0, 0.01, "%");
#if IPLUG_EDITOR // http://bit.ly/2S64BDd
mMakeGraphicsFunc = [&]() {
return MakeGraphics(*this, PLUG_WIDTH, PLUG_HEIGHT, PLUG_FPS, GetScaleForScreen(PLUG_WIDTH, PLUG_HEIGHT));
};
mLayoutFunc = [&](IGraphics* pGraphics) {
pGraphics->AttachCornerResizer(EUIResizerMode::Scale, false);
pGraphics->AttachPanelBackground(COLOR_GRAY);
pGraphics->LoadFont("Roboto-Regular", ROBOTO_FN);
const IRECT b = pGraphics->GetBounds();
pGraphics->AttachControl(new ILambdaControl(b.GetCentredInside(100),
[](ILambdaControl* pCaller, IGraphics&g, IRECT& r) {
g.PathClear();
g.PathTransformTranslate(r.MW(), r.MH());
g.PathTransformScale(0.5f);
g.PathTransformRotate(pCaller->GetAnimationProgress() * 90.0f);
g.PathTransformTranslate(-r.MW(), -r.MH());
g.PathRect(r);
g.PathFill(COLOR_RED);
}, 500));
};
#endif
}
#if IPLUG_DSP
void IPlugEffect::ProcessBlock(sample** inputs, sample** outputs, int nFrames)
{
const double gain = GetParam(kGain)->Value() / 100.;
const int nChans = NOutChansConnected();
for (int s = 0; s < nFrames; s++) {
for (int c = 0; c < nChans; c++) {
outputs[c][s] = inputs[c][s] * gain;
}
}
}
#endif
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