create a mesh in Unity, reading some data from a text file

makeTriangles2.js

#pragma strict

// Script to create a mesh with 2 triangles, getting colors from a text file.

function Start ()
    {
    gameObject.AddComponent.<MeshFilter>();
    gameObject.AddComponent.<MeshRenderer>();
    var mat = new Material(Shader.Find("Custom/Vertex Colored"));
    GetComponent.<Renderer>().material = mat;
    var p0 : Vector3 = Vector3(-2,0,-1);
    var p1 : Vector3 = Vector3(0,1,-1);
    var p2 : Vector3 = Vector3(1,0,-1);
    var p3 : Vector3 = Vector3(0,-1,-1);
    var newVertices = [ p0, p1, p2, p3 ];

    var s = new System.IO.File.ReadAllLines('colors.txt');
    var newColors = new Color[4];
    for (var i=0; (i < s.Length) && (i < 4); i++)
        {
        var vals = s[i].Split(" "[0]);
        newColors[i] = Color(parseFloat(vals[0]),parseFloat(vals[1]),parseFloat(vals[2]));
        }

    var newTriangles = [ 0, 1, 2, 0, 2, 3 ];
    var m = GetComponent.<MeshFilter>().mesh;
    m.vertices = newVertices;
    m.colors = newColors;
    m.triangles = newTriangles;
    }


function Update()
    {
    }