ParamFloat.h

/***************************************************************************************************
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            fantastic  spatial  holophonic               synthesis    tool    kit
 
                                    copyright (c) fabian hummel
                                       www.github.com/fshstk
                                           www.fshstk.com
 
         this file is part of the fantastic spatial holophonic synthesis toolkit (fsh::stk)
  fsh::stk is free software: it is provided under the terms of the gnu general public license v3.0
                                    www.gnu.org/licenses/gpl-3.0
***************************************************************************************************/
 
#pragma once
#include <cmath>
#include <juce_audio_processors/juce_audio_processors.h>
 
namespace fsh::plugin
{
struct ParamFloat
{
  using Range = juce::NormalisableRange<float>;
 
  using Attributes = juce::AudioParameterFloatAttributes;
 
  juce::ParameterID id;   
  juce::String name;      
  Range range;            
  float defaultVal = 0.0; 
  Attributes attributes = {}; 
 
  static Range freqRange(float min = 20.0f, float max = 20'000.0f, float interval = 1.0f)
  {
    const auto geometricMean = sqrtf(min * max);
    const auto skew = logf(0.5) / logf((geometricMean - min) / (max - min));
    return Range{ min, max, interval, skew };
  }
 
  auto create() const
  {
    return std::make_unique<juce::AudioParameterFloat>(id, name, range, defaultVal, attributes);
  }
};
} // namespace fsh::plugin