click and drag panning

src/tessellate.js

@@ -18,7 +18,7 @@ import ExWhyZee from './exWhyZee.js';
 
 export default class Tessellate {
 	constructor(settings) {
-		['tap', 'draw', 'drawMap', 'zoom'].map(method => {this[method] = this[method].bind(this)});
+		['tap', 'draw', 'drawMap', 'move', 'zoom'].map(method => {this[method] = this[method].bind(this)});
 
 		this.drawCB = settings.draw || utils.noop;
 		this.clickCB = settings.click || utils.noop;
@@ -32,6 +32,7 @@ export default class Tessellate {
 		this.onTap = new OnTap({
 			element: this.element,
 			tap: this.tap,
+			move: this.move,
 			zoom: this.zoom
 		});
 
@@ -50,6 +51,10 @@ export default class Tessellate {
 		this.clickCB(event);
 	}
 
+	move(event) {
+		this.xyz.move(event);
+	}
+
 	zoom(event) {
 		this.xyz.zoom(event);
 	}