Simple Signal Generator

SignalGenerator.cs

class SignalGenerator
{
  long startTime = Stopwatch.GetTimestamp();
  long ticksPerSecond = Stopwatch.Frequency;
  
  float amplitude = 1f;
  float frequency = 1f;
  float phase = 1f;
  float offset = 0f;
  
  public float GetValue()
  {
    float time = (float)(Stopwatch.GetTimestamp() - startTime) / ticksPerSecond'
    
    return GetValue(time);
  }
  
  public float GetValue(float time)
  {
    var t = frequency * time + phase;
    var value = (float)Math.Sin(2f * Math.PI * t);
    return amplitude * value + offset;
  }
}