Paint.CalculatePlaybackSpeed.TouchPointsToRender C# (CSharp) Method

        public int TouchPointsToRender(float currentSpeed)
        {
            /*
             * currentSpeed will be between 0 and 1
             *
             * Convert to an int...
             * ...speed will be between 0 and 10...
             *
             * 0 = Read one every 6 updates
             * 1 = Read one every 5 updates
             * 2 = Read one every 4 updates
             * 3 = Read one every 3 updates
             * 4 = Read one every other update
             *
             * 5  = Normal speed = read one touch point per update
             *
             * 6  = 2 * normal speed
             * 7  = 3 * normal speed
             * 8  = 4 * normal speed
             * 9  = 5 * normal speed
             * 10 = 6 * normal speed
             *
             */

            int touchPointsToRender = 0;

            var speed = (int)(currentSpeed * 10);

            if (speed >= 5)
            {
                touchPointsToRender = speed - 4;
            }
            else
            {
                var updateGap = 5 - speed;

                if (updateGap <= this.noRenderCount)
                {
                    touchPointsToRender = 1;
                }
            }

            if (touchPointsToRender == 0)
            {
                this.noRenderCount++;
            }
            else
            {
                this.noRenderCount = 0;
            }

            return touchPointsToRender;
        }