mesh.Clear();

    transform.position = new Vector3(-width/2,0 * scale,-height/2 * scale);

    positionsAll = new Vector3[2 * width * height];

    setupHeightMap();
    int[] triangles = getTriangles();

    mesh.vertices = positionsAll;
    mesh.triangles = triangles;
    mesh.RecalculateNormals();

triangles[0]    30785   System.Int32
    triangles[4]    96322   System.Int32
    mesh.triangles[0]   30785   System.Int32
    mesh.triangles[4]   30786   System.Int32
    mesh.vertices[triangles[0]] "(65.0, 0.0, 120.0)"    UnityEngine.Vector3
    mesh.vertices[triangles[4]] "(66.0, -0.2, 120.0)"   UnityEngine.Vector3
    mesh.vertices[mesh.triangles[0]]    "(65.0, 0.0, 120.0)"    UnityEngine.Vector3
    mesh.vertices[mesh.triangles[4]]    "(66.0, 0.2, 120.0)"    UnityEngine.Vector3