tileToPixelCoords(x, y, v) {
		const tileX = Math.floor(x);
		const tileY = Math.floor(y);
		const ret = v || new Vector2d();

		if (this.staggerX) {
			ret.y = tileY * (this.tileheight + this.sidelengthy);
			if (this.doStaggerX(tileX)) {
				ret.y += this.rowheight;
			}
			ret.x = tileX * this.columnwidth;
		} else {
			ret.x = tileX * (this.tilewidth + this.sidelengthx);
			if (this.doStaggerY(tileY)) {
				ret.x += this.columnwidth;
			}
			ret.y = tileY * this.rowheight;
		}

		return ret;
	}
return the pixel position corresponding of the specified tile
@ignore