Refactor Maps (#2)

src/cartographerFlatXY.js

@@ -50,6 +50,8 @@ export default class CartographerFlatXY extends Cartographer {
 	}
 
 	tileToPixel(square) {
+		square = typeof square === 'Square' ? square : new Square(...arguments);
+
 		const x = square.getX() * this.minWidth();
 		const y = square.getY() * this.minWidth();
 
@@ -57,6 +59,8 @@ export default class CartographerFlatXY extends Cartographer {
 	}
 
 	pixelToTile(point) {
+		point = typeof point === 'Point' ? point : new Point(x, y);
+
 		const pixelX = point.getX() - this.originX;
 		const pixelY = this.originY - point.getY();