separate orbit test & add mousewheel zoom

1 files changed, 6 insertions, 4 deletions

diff --git a/public/assets/javascripts/rectangles/util/wheel.js b/public/assets/javascripts/rectangles/util/wheel.js
index 712d470..4155a70 100644
--- a/public/assets/javascripts/rectangles/util/wheel.js
+++ b/public/assets/javascripts/rectangles/util/wheel.js
@@ -3,8 +3,8 @@
 	
 		base.wheel = new wheel({
 			el: document.querySelector("#map"),
-			update: function(e, val, delta){
-				// do something with val
+			update: function(e, delta){
+				// do something with delta
 			},
 		})
 
@@ -13,7 +13,7 @@
 function wheel (opt) {
 	opt = defaults(opt, {
 		el: document,
-		fn: function(e, val, delta){},
+		update: function(e, delta){},
 		propagate: false,
 		locked: false,
 		reversible: true,
@@ -22,7 +22,7 @@ function wheel (opt) {
 	})
 
 	opt.el.addEventListener('wheel', onMouseWheel, false);
-// 	opt.el.addEventListener('mousewheel', onMouseWheel, false);
+  // opt.el.addEventListener('mousewheel', onMouseWheel, false);
 	opt.el.addEventListener('DOMMouseScroll', onMouseWheel, false);
 
 	function onMouseWheel (e) {
@@ -58,6 +58,8 @@ function wheel (opt) {
 		
 		// opt.val = clamp(opt.val + delta, opt.min, opt.max)
 		
+		// deltaX is also passed, but these values tend to be unusable
+		// try http://vvalls.com/assets/test/wheel.html with a trackpad
 		opt.update(e, deltaY, deltaX)
 	}