From 739dc0a135dc91ce641c68d80f8bcd5595022108 Mon Sep 17 00:00:00 2001
From: alteredq <postfilter@gmail.com>
Date: Thu, 25 Nov 2010 20:43:34 +0100
Subject: [PATCH] Made mouse wheel in panorama fisheye demo work in Firefox 4,
 Opera and Explorer 9.

---
 examples/geometry_panorama_fisheye.html | 26 ++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/examples/geometry_panorama_fisheye.html b/examples/geometry_panorama_fisheye.html
index 20c1f7c2..6c3f53d9 100644
--- a/examples/geometry_panorama_fisheye.html
+++ b/examples/geometry_panorama_fisheye.html
@@ -98,7 +98,8 @@
 				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
 				document.addEventListener( 'mouseup', onDocumentMouseUp, false );
 				document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
-
+				document.addEventListener( 'DOMMouseScroll', onDocumentMouseWheel, false);
+				
 				document.addEventListener( 'touchstart', onDocumentTouchStart, false );
 				document.addEventListener( 'touchmove', onDocumentTouchMove, false );
 
@@ -158,8 +159,27 @@
 			}
 
 			function onDocumentMouseWheel( event ) {
-
-				fov -= event.wheelDeltaY * 0.05;
+				
+				// WebKit
+				
+				if ( event.wheelDeltaY ) {
+					
+					fov -= event.wheelDeltaY * 0.05;
+					
+				// Opera / Explorer 9
+				
+				} else if ( event.wheelDelta ) {
+					
+					fov -= event.wheelDelta * 0.05;
+					
+				// Firefox
+				
+				} else if ( event.detail ) {
+				
+					fov += event.detail * 1.0;
+				
+				}
+				
 				camera.projectionMatrix = THREE.Matrix4.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
 				render();