report location of hex coordinate on tap

src/tessellate.js

@@ -20,8 +20,8 @@ export default class Tessellate {
 	constructor(settings) {
 		['tap', 'draw', 'drawMap', 'move', 'zoom'].map(method => {this[method] = this[method].bind(this)});
 
+		this.tapCB = settings.tap || utils.noop;
 		this.drawCB = settings.draw || utils.noop;
-		this.clickCB = settings.click || utils.noop;
 		this.element = document.querySelector(settings.element);
 
 		this.sketch = new Sketch({
@@ -48,7 +48,16 @@ export default class Tessellate {
 	}
 
 	tap(event) {
-		this.clickCB(event);
+		let point = new Point(event.offsetX, event.offsetY);
+		let hex = this.xyz.pixelToHex(point);
+
+		let tap = {
+			event,
+			point,
+			hex
+		};
+
+		this.tapCB(tap);
 	}
 
 	move(event) {