LOD system

//LOD system for unity free by James Arndt
#pragma strict

public var distanceRanges : float [];
public var lodModels : GameObject [];

private var current = -2;

public var playerCamera : Camera;


function Start ()
    {

		for (var i = 0; i < lodModels.Length; i ++)
		{
			lodModels[1].SetActiveRecursively(false);
		}

	}

function Update ()
	{
		var d = Vector3.Distance(playerCamera.transform.position, transform.position);
		var level = -1;

		for (var i = 0; i < distanceRanges.Length; i++)
		{
			if (d < distanceRanges[i])
			{
				level = i;
				i = distanceRanges.Length;
			}
		}
		if (level == -1)
		{
			level = distanceRanges.Length;
		}
		if (current != level)
		{
			ChangeLOD(level);
		}
	}

function ChangeLOD(level)
{
	lodModels[level].SetActiveRecursively(true);

	if (current >= 0)
	{
		lodModels[current].SetActiveRecursively(false);
	}

	current = level;
}