updateGeometry.js

  updateGeometry(buf, offset, count) {
      if(this.offsetsProcessed.indexOf(offset) === -1) {
        if(buf.length !== count) {
          console.log("Invalid packet, rejecting");
        }
        this.offsetsProcessed.push(offset);
        var _buf = buf;
        var _offset = offset / 4;
        var _count = count / 4;

        let ar = new Float32Array(buf.buffer);

        this.posAttribute.array.set(ar, _offset);

        this.starCount += count/12;
        this.bufferOffset += (buf.length);
      }
  }