diff --git a/src/onTap.js b/src/onTap.js
index d433c51..73c330f 100644
--- a/src/onTap.js
+++ b/src/onTap.js
@@ -58,6 +58,9 @@ export default class OnTap {
 				deltaY: event.pageY - this.state.clickStartY
 			});
 
+			this.state.moving = null;
+			this.state.lastX = null;
+			this.state.lastY = null;
 			this.state.clickStartX = null;
 			this.state.clickStartY = null;
 			this.state.clickStartTime = null;
@@ -69,6 +72,26 @@ export default class OnTap {
 
 	mousemove(event) {
 //		console.log('mousemove', event);
+
+		if (this.state.clickStartTime) {
+			if (!this.state.moving) {
+				if ((Math.abs(event.pageX - this.state.clickStartX) > this.actions.move.threshold)
+				|| (Math.abs(event.pageY - this.state.clickStartY) > this.actions.move.threshold)) {
+					this.state.moving = true;
+					this.state.lastX = this.state.clickStartX;
+					this.state.lastY = this.state.clickStartY;
+				}
+			}
+
+			if (this.state.moving) {
+				event.deltaX = event.pageX - this.state.lastX,
+				event.deltaY = event.pageY - this.state.lastY
+				this.actions.move.callback(event);
+
+				this.state.lastX = event.pageX;
+				this.state.lastY = event.pageY;
+			}
+		}
 	}
 
 	touchstart(event) {
@@ -89,6 +112,9 @@ export default class OnTap {
 				deltaY: event.pageY - this.state.clickStartY
 			});
 
+			this.state.moving = null;
+			this.state.lastX = null;
+			this.state.lastY = null;
 			this.state.clickStartX = null;
 			this.state.clickStartY = null;
 			this.state.clickStartTime = null;
@@ -100,6 +126,26 @@ export default class OnTap {
 
 	touchmove(event) {
 //		console.log('touchmove', event);
+
+		if (this.state.clickStartTime) {
+			if (!this.state.moving) {
+				if ((Math.abs(event.pageX - this.state.clickStartX) > this.actions.move.threshold)
+				|| (Math.abs(event.pageY - this.state.clickStartY) > this.actions.move.threshold)) {
+					this.state.moving = true;
+					this.state.lastX = this.state.clickStartX;
+					this.state.lastY = this.state.clickStartY;
+				}
+			}
+
+			if (this.state.moving) {
+				event.deltaX = event.pageX - this.state.lastX,
+				event.deltaY = event.pageY - this.state.lastY
+				this.actions.move.callback(event);
+
+				this.state.lastX = event.pageX;
+				this.state.lastY = event.pageY;
+			}
+		}
 	}
 
 	touchcancel(event) {
diff --git a/src/tessellate.js b/src/tessellate.js
index eef5afd..97028f4 100644
--- a/src/tessellate.js
+++ b/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);
 	}