Light.hpp

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#pragma once
#include <common.hpp>
 
 
namespace rack {
namespace engine {
 
 
struct Light {
    float value = 0.f;
 
    void setBrightness(float brightness) {
        value = brightness;
    }
 
    float getBrightness() {
        return value;
    }
 
    void setBrightnessSmooth(float brightness, float deltaTime, float lambda = 30.f) {
        if (brightness < value) {
            // Fade out light
            value += (brightness - value) * lambda * deltaTime;
        }
        else {
            // Immediately illuminate light
            value = brightness;
        }
    }
    void setSmoothBrightness(float brightness, float deltaTime) {
        setBrightnessSmooth(brightness, deltaTime);
    }
 
    DEPRECATED void setBrightnessSmooth(float brightness, int frames = 1) {
        setBrightnessSmooth(brightness, frames / 44100.f);
    }
};
 
 
} // namespace engine
} // namespace rack