Stop using non-standard, deprecated wheel events

Replaces: https://developer.mozilla.org/en-US/docs/Web/API/MouseWheelEvent https://developer.mozilla.org/en-US/docs/Web/API/Element/DOMMouseScroll_event With: https://developer.mozilla.org/en-US/docs/Web/API/WheelEvent
phoboslab · Sep 17, 2021 · ca59f0e · ca59f0e
1 parent 17dcee0
commit ca59f0e
Showing 1 changed file with 3 additions and 6 deletions.
diff --git a/lib/impact/input.js b/lib/impact/input.js
@@ -116,9 +116,7 @@ ig.Input = ig.Class.extend({
  initMouse: function() {
  if( this.isUsingMouse ) { return; }
  this.isUsingMouse = true;
- var mouseWheelBound = this.mousewheel.bind(this);
- ig.system.canvas.addEventListener('mousewheel', mouseWheelBound, false );
- ig.system.canvas.addEventListener('DOMMouseScroll', mouseWheelBound, false );
+ ig.system.canvas.addEventListener('wheel', this.mousewheel.bind(this), false );
 
  ig.system.canvas.addEventListener('contextmenu', this.contextmenu.bind(this), false );
  ig.system.canvas.addEventListener('mousedown', this.keydown.bind(this), false );
@@ -157,8 +155,7 @@ ig.Input = ig.Class.extend({
 
 
  mousewheel: function( event ) {
- var delta = event.wheelDelta ? event.wheelDelta : (event.detail * -1);
- var code = delta > 0 ? ig.KEY.MWHEEL_UP : ig.KEY.MWHEEL_DOWN;
+ var code = event.deltaY < 0 ? ig.KEY.MWHEEL_UP : ig.KEY.MWHEEL_DOWN;
  var action = this.bindings[code];
  if( action ) {
  this.actions[action] = true;
@@ -319,4 +316,4 @@ ig.Input = ig.Class.extend({
  }
 });
 
-});
+});