MuteValueGenerator.h

Go to the documentation of this file.

#pragma once
 
namespace krotos
{
    class MuteValueGenerator
    {
      public:
        inline void setMuteDirection(bool requestMute) { m_requestMute = requestMute; }
 
        inline bool isFullyMuted() { return m_requestMute && m_muteValue == 0.0f; }
 
        inline void reset(float sampleRate, float rampLengthInSeconds)
        {
            jassert(sampleRate > 0 && rampLengthInSeconds >= 0);
            m_muteDelta = 1.0f / (sampleRate * rampLengthInSeconds);
        }
 
        inline bool calculateNextValue()
        {
            if (m_requestMute) // Heading down
            {
                m_muteValue -= m_muteDelta;
                if (m_muteValue <= 0.0f) // Reached 0.0
                {
                    m_muteValue = 0.0f; // Never go below 0.0
                    return true;
                }
            }
            else // Heading up
            {
                m_muteValue += m_muteDelta;
                if (m_muteValue >= 1.0f) // Reached 1.0
                {
                    m_muteValue = 1.0f; // Never go above 1.0
                }
            }
            return false;
        }
 
        float getValue() { return m_muteValue; }
 
      private:
        float m_muteValue{1.0f};
        float m_muteDelta{0.001f};
        bool m_requestMute{false};
    };
} // namespace krotos