code: function LineGeom(gl, float32Allocator) {
    BaseGeom.call(this, gl);
    this._vertArrays = [];
    this._float32Allocator = float32Allocator;
    this._lineWidth = 0.5;
    this._pointSize = 1.0;
  }
docs: Holds geometrical data for objects rendered as lines. For each vertex, the color and position is stored in an interleaved format.