code: function (map) {
              this._super(me.TMXRenderer, "init", [
                  map.cols,
                  map.rows,
                  map.tilewidth & ~1,
                  map.tileheight & ~1
              ]);
  
              this.hexsidelength = map.hexsidelength || 0;
              this.staggerX = map.staggeraxis === "x";
              this.staggerEven = map.staggerindex === "even";
  
              this.sidelengthx = 0;
              this.sidelengthy = 0;
  
              if (map.orientation === "hexagonal") {
                  if (this.staggerX) {
                      this.sidelengthx = this.hexsidelength;
                  }
                  else {
                      this.sidelengthy = this.hexsidelength;
                  }
              }
  
              this.sideoffsetx = (this.tilewidth - this.sidelengthx) / 2;
              this.sideoffsety = (this.tileheight - this.sidelengthy) / 2;
  
              this.columnwidth = this.sideoffsetx + this.sidelengthx;
              this.rowheight = this.sideoffsety + this.sidelengthy;
  
              this.centers = [
                  new me.Vector2d(),
                  new me.Vector2d(),
                  new me.Vector2d(),
                  new me.Vector2d()
              ];
          }
docs: constructor