Oscillator

using System;

namespace Radio
{
    public class Oscillator
    {
        private int _sampleRate;
        private int _frequency;
        private int _phase;
        private float _freqInRad;
        private float _outI;
        private float _outQ;

        public int SampleRate
        {
            get { return _sampleRate; }
            set
            {
                _sampleRate = value;
                _freqInRad = (float)((2.0f * Math.PI * _frequency) / _sampleRate);
            }
        }

        public int Frequency
        {
            get { return _frequency; }
            set
            {
                _frequency = value;
                _freqInRad = (float)((2.0f * Math.PI * _frequency) / _sampleRate);
            }
        }

        public float OutI
        {
            get { return _outI; }
        }

        public float OutQ
        {
            get { return _outQ; }
        }

        public Complex Out
        {
            get { return new Complex(_outI, _outQ); }
        }

        public void Tick()
        {
            _outI = (float) Math.Sin(_freqInRad * _phase);
            _outQ = (float) Math.Cos(_freqInRad * _phase);
            _phase++;
        }
    }
}