Vectrosity Line Coloring

import Vectrosity;

var lineMaterial : Material;
var lineMaterial2 : Material;
var lineMaterial3 : Material;
var frontTex : Texture2D;
var backTex : Texture2D;
var capTex : Texture2D;
var line1 : VectorLine;
var line2 : VectorLine;
var line3: VectorLine;

function Start () {
    VectorLine.SetEndCap ("arrow", EndCap.Front, lineMaterial, frontTex);
    VectorLine.SetEndCap ("arrow2", EndCap.Both, lineMaterial2, frontTex, backTex);
    VectorLine.SetEndCap ("rounded", EndCap.Mirror, lineMaterial3, capTex);

    line1 = new VectorLine("Arrow", new Vector2[50], lineMaterial, 30.0, LineType.Continuous, Joins.Weld);
    var splinePoints = [Vector2(.1, .15), Vector2(.3, .5), Vector2(.5, .6), Vector2(.7, .5), Vector2(.9, .15)];
    line1.MakeSpline (splinePoints);
    line1.endCap = "arrow";
    line1.DrawViewport();

    line2 = new VectorLine("Arrow2", new Vector2[50], lineMaterial2, 40.0, LineType.Continuous, Joins.Weld);
    splinePoints = [Vector2(.1, .85), Vector2(.3, .5), Vector2(.5, .4), Vector2(.7, .5), Vector2(.9, .85)];
    line2.MakeSpline (splinePoints);
    line2.endCap = "arrow2";
    line2.continuousTexture = true;
    line2.DrawViewport();

    line3 = new VectorLine("Rounded", [Vector2(.1, .5), Vector2(.9, .5)], lineMaterial3, 20.0);
    line3.endCap = "rounded";
    line3.DrawViewport();
}

function Update()
{
    if (Input.GetMouseButtonUp(0))
    {
        line1.SetColor(Color(.5, .25, .75));
        line2.SetColor(Color(.75, .25, .5));
        line3.SetColor(Color(.5, .75, .25));
        line1.DrawViewport();
        line2.DrawViewport();
        line3.DrawViewport();
    }
}