fix directionX,Y when scrolling with mouse

ref cubiq#1018, cubiq#652
Mappy · Feb 21, 2017 · b80feaa · b80feaa
1 parent d1ad849
commit b80feaa
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/wheel/wheel.js b/src/wheel/wheel.js
@@ -85,6 +85,9 @@
 		newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0);
 		newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0);
 
+		this.directionX = wheelDeltaX > 0 ? -1 : wheelDeltaX < 0 ? 1 : 0;
+		this.directionY = wheelDeltaY > 0 ? -1 : wheelDeltaY < 0 ? 1 : 0;
+
 		if ( newX > 0 ) {
 			newX = 0;
 		} else if ( newX < this.maxScrollX ) {