diff --git a/source/viewer/navigation.js b/source/viewer/navigation.js
index 1c23886..00a92c7 100644
--- a/source/viewer/navigation.js
+++ b/source/viewer/navigation.js
@@ -248,8 +248,7 @@ OV.Navigation = class
if (this.canvas.addEventListener) {
this.canvas.addEventListener ('mousedown', this.OnMouseDown.bind (this));
- this.canvas.addEventListener ('DOMMouseScroll', this.OnMouseWheel.bind (this));
- this.canvas.addEventListener ('mousewheel', this.OnMouseWheel.bind (this));
+ this.canvas.addEventListener ('wheel', this.OnMouseWheel.bind (this));
this.canvas.addEventListener ('touchstart', this.OnTouchStart.bind (this));
this.canvas.addEventListener ('touchmove', this.OnTouchMove.bind (this));
this.canvas.addEventListener ('touchend', this.OnTouchEnd.bind (this));
@@ -460,13 +459,7 @@ OV.Navigation = class
ev.preventDefault ();
let params = ev || window.event;
- let delta = 0;
- if (params.detail) {
- delta = -params.detail;
- } else if (params.wheelDelta) {
- delta = params.wheelDelta / 40;
- }
-
+ let delta = -params.deltaY / 40;
let ratio = 0.1;
if (delta < 0) {
ratio = ratio * -1.0;
diff --git a/tools/sandbox/embed_iframe_scroll.html b/tools/sandbox/embed_iframe_scroll.html
new file mode 100644
index 0000000..9be075a
--- /dev/null
+++ b/tools/sandbox/embed_iframe_scroll.html
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diff --git a/tools/sandbox/embed_selfhost_single_scroll.html b/tools/sandbox/embed_selfhost_single_scroll.html
new file mode 100644
index 0000000..ba3bdb0
--- /dev/null
+++ b/tools/sandbox/embed_selfhost_single_scroll.html
@@ -0,0 +1,73 @@
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