void Start()
    {
        /*linePoints[0]=new Vector3(0,0,0);
        linePoints[1]=new Vector3(2,2,2);
        theMat = new Material(Shader.Find("Self-Illumin/VertexLit"));
        line=new VectorLine("line",linePoints,theMat,2);
        Vector.DrawLine3D(line);

        Debug.Log("vector.drawLine");*/
        linePoints[0]=new Vector3(-1.0f,2.0f,1.0f);
        linePoints[1]=new Vector3(4.0f,2.0f,4.0f);
        a=new LineDrawer ();
        //a.DrawArcLine(new Vector3(2.828f,2,0),new Vector3(-2.828f,2,0),new Vector3(0,2,0),3.14f,2.828f,2,40,2,Color.yellow,null);
        a.DrawArcLine(new Vector3(2.828f,2,0),new Vector3(0,2,-2.828f),new Vector3(0,2,0),1.57f,2.828f,2,100,0.02f,Color.red,null);
        //a.DrawArcLine(new Vector3(2.828f,0,2),new Vector3(2f,2,2),new Vector3(0,0,2),0.785f,2.828f,1,40,16,Color.black,null);
        //a.DrawArcLine(new Vector3(2.828f,0,2),new Vector3(0,2.828f,2),new Vector3(0,0,2),1.57f,2.828f,1,80,2,Color.red,null);
        //a.DrawArcLine(new Vector3(2.828f,0,2),new Vector3(0,-2.828f,2),new Vector3(0,0,2),1.57f,2.828f,1,40,16,Color.black,null);
         a.DrawStraightLine(linePoints[0],linePoints[1],0.02f,Color.yellow,null);
        //a.DrawArcLine(new Vector3(2,2.828f,0),new Vector3(2,0,-2.828f),new Vector3(2,0,0),1.57f,2.828f,3,40,8,Color.black,null);
        //a.DrawArcLine(new Vector3(2,2.828f,0),new Vector3(2,0,-2.828f),new Vector3(2,0,0),4.71f,2.828f,3,40,16,Color.yellow,null);
        nowtime=Time.time;
    }