code: function (x, y) {
              if (this.settings.subPixel === false) {
                  this.backBufferContext2D.translate(~~x, ~~y);
              } else {
                  this.backBufferContext2D.translate(x, y);
              }
          }
docs: Translates the context to the given position
  @name translate
  @memberOf me.CanvasRenderer.prototype
  @function
  @param {Number} x
  @param {Number} y