[Unity + Arduino] Smoothing sensor input

gistfile1.cs

using UnityEngine;
using System.Collections;
using Uniduino;

public class ArduinoController : MonoBehaviour {
	public Arduino arduino;
	public int pinValueX;
	public int pinValueY;
	public int pinValueZ;
	

	ArrayList pinValueListX = new ArrayList();
	ArrayList pinValueListY = new ArrayList();
	ArrayList pinValueListZ = new ArrayList();
	// smoothing回数 多いほど滑らか
	int SMOOTHING_LENGTH = 10; 

	// Use this for initialization
	void Start () {
		arduino = Arduino.global;
		arduino.Setup (ConfigurePins);

	}

	void ConfigurePins( )
	{
		// Use Analog output 3, 4, 5 pin
		arduino.pinMode(3, PinMode.ANALOG); //x
		arduino.pinMode(4, PinMode.ANALOG); //y
		arduino.pinMode(5, PinMode.ANALOG); //z
		
		arduino.reportAnalog(3, 1);
		arduino.reportAnalog(4, 1);
		arduino.reportAnalog(5, 1);
	}

	// Update is called once per frame
	void Update () {
		updatePinValueList (
			arduino.analogRead (3), 
			arduino.analogRead (4),
			arduino.analogRead (5)
		);

		pinValueX = getSmoothedValue (pinValueListX);
		pinValueY = getSmoothedValue (pinValueListY);
		pinValueZ = getSmoothedValue (pinValueListZ);

	}

	void updatePinValueList(int x, int y, int z){
		if (pinValueListX.Count > SMOOTHING_LENGTH) {
			pinValueListX.RemoveAt(0);	
		}
		if (pinValueListY.Count > SMOOTHING_LENGTH) {
			pinValueListY.RemoveAt(0);	
		}
		if (pinValueListZ.Count > SMOOTHING_LENGTH) {
			pinValueListZ.RemoveAt(0);	
		}
		
		// ★smoothing後の値
		pinValueListX.Add (x);
		pinValueListY.Add (y);
		pinValueListZ.Add (z);
	}

	int getSmoothedValue(ArrayList list){
		if (list.Count < SMOOTHING_LENGTH) {
			return 0;
		}

		int sum = 0;
		for (int i=0; i<list.Count; i++){
			sum += (int)list[i];
		}
		return (int)(sum / SMOOTHING_LENGTH);
	}


}