code: function divide(out, a, b) {
      out[0] = a[0] / b[0]
      out[1] = a[1] / b[1]
      return out
  }
docs: Divides two vec2's
  
  @param {vec2} out the receiving vector
  @param {vec2} a the first operand
  @param {vec2} b the second operand
  @returns {vec2} out