Cmajor

processor SineOscillator
{
    input event float frequencyIn;
    output stream float audioOut;

    event frequencyIn (float newFrequency)
    {
        frequency = newFrequency;
    }

    float frequency = 440.0f;
    float phase = 0.0f;
    float phaseIncrement;

    void main()
    {
        let sampleRate = processor.frequency;

        loop
        {
            phaseIncrement = float (frequency * twoPi / sampleRate);

            audioOut <- sin (phase);
            phase = addModulo2Pi (phase, phaseIncrement);
            advance();
        }
    }
}