ActionVisualizer.KeyFrequency.updateXY C# (CSharp) 메소드

        private void updateXY(int velocity)
        {
            this.x = (double)velocity * Math.Sin(speakerTheta * Math.PI / 180.0) * Math.Cos(speakerAltitude * Math.PI / 180.0);
            this.y = (double)velocity * Math.Cos(speakerTheta * Math.PI / 180.0) * Math.Cos(speakerAltitude * Math.PI / 180.0);
            this.z = (double)velocity * Math.Sin(speakerAltitude * Math.PI / 180.0);
        }