text: var Mesh = require('gl-basic-mesh')
  var number = require('as-number')
  
  function Batch(gl, opt) {
  	if (!(this instanceof Batch))
  		return new Batch(gl,opt)
  	opt = opt||{}
  
  	this.mesh = Mesh(gl, {
  		positions: opt.positions
  	})
  }
  