duck

private var beingDragged : Draggable;
var speed : float = 0.5;
private var trail : Array;

////create path with linrenderer
var lineWidth = 0.02;
var lineMaterial : Material;
private var line : LineRenderer;

function Start()
{
   lineObject = new GameObject("Line");
   line = lineObject.AddComponent(LineRenderer);
   line.SetWidth(lineWidth,lineWidth);
   line.material = lineMaterial;
   line.SetVertexCount(0);
   trail = new Array();
}


function Move(newPoints : Array) {

    trail = trail.Concat(newPoints);

    // this loop steps through each point remaining in the array
    while (trail.Length > 1)
    {
        thisPoint = trail[0];
        nextPoint = trail[1];
        dist = (thisPoint-nextPoint).magnitude;
        lerpDist = 0.0;

        // this loop smoothly moves the object from the current point to the next
        while (lerpDist < dist) {
            i = lerpDist / dist;
            transform.position = Vector3.Lerp(thisPoint, nextPoint, i);
            transform.LookAt(nextPoint);
            yield;
            lerpDist += Time.deltaTime * speed;
        }

        trail.Shift();
        UpdateLine();
    }
}


function UpdateLine()
{
    ///update line vector count
    line.SetVertexCount(activeTrail.length);
    var i = 0;
    for (var drawLine : Vector3 in activeTrail)
    {
        //Debug.Log(drawLine);
        ///loop over the array and appply the line
        line.SetPosition(i, drawLine);
        i++;
    }
}