gistfile1.txt

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class MainController : MonoBehaviour {
	public Transform ConePrefab;

	private SimplexNoiseGenerator _noiseGenerator = new SimplexNoiseGenerator();
	private List<Transform> _objects = new List<Transform>();
	private static readonly float CameraHeight = 5.0f;

	private Transform _mouseObject;

	void Start () {
		int N =  50;
		for(int i = 0 ; i < N ; ++i)
		{
			var hsvColor = new HSBColor(remap(i, 0, N - 1, 0.0f, 1.0f), 1.0f, 1.0f);
			var newObject = GameObject.Instantiate(ConePrefab) as Transform;
			var coneRenderer = newObject.FindChild("Cone").GetComponent<Renderer>();
			coneRenderer.material.color = hsvColor.ToColor();
			_objects.Add(newObject);
		}

		_mouseObject = GameObject.Instantiate(ConePrefab) as Transform;
		var mouseConeRenderer = _mouseObject.FindChild("Cone").GetComponent<Renderer>();
		mouseConeRenderer.material.color = new Color(0.5f, 0.5f, 0.5f);
	}

	float remap(float value, float inputMin, float inputMax, float outputMin, float outputMax)
	{
		return (value - inputMin) * ((outputMax - outputMin) / (inputMax - inputMin)) + outputMin;
	}

	// Update is called once per frame
	void Update () {
		var aspect = (float)Screen.width / (float)Screen.height;
		var cameraWidth = CameraHeight * aspect;
		var elapsedTime = Time.time * 0.1f;
		for(int i = 0 ; i < _objects.Count ; ++i)
		{
			var o = _objects[i];
			float xNoise = _noiseGenerator.noise(i, elapsedTime, 100.0f);
			float yNoise = _noiseGenerator.noise(i, elapsedTime, 220.0f);
			float x = remap(xNoise, -1.0f, 1.0f, -cameraWidth * 4.0f, cameraWidth * 4.0f);
			float offsetx = remap(i, 0, _objects.Count - 1, -1.0f, 1.0f);
			float y = remap(yNoise, -1.0f, 1.0f, -CameraHeight * 4.0f, CameraHeight * 4.0f);
			var p = o.position;
			p.x = x + offsetx;
			p.y = y;
			o.position = p;
		}

		var mouseP = _mouseObject.position;
		mouseP.x = remap (Input.mousePosition.x, 0, Screen.width, -cameraWidth, cameraWidth);
		mouseP.y = remap (Input.mousePosition.y, 0, Screen.height, -CameraHeight, CameraHeight);
		_mouseObject.position = mouseP;
	}

}