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Diffstat (limited to 'assets/javascripts/rectangles/wheel.js')
| -rw-r--r-- | assets/javascripts/rectangles/wheel.js | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/assets/javascripts/rectangles/wheel.js b/assets/javascripts/rectangles/wheel.js index 9773a8c..f7a9bc3 100644 --- a/assets/javascripts/rectangles/wheel.js +++ b/assets/javascripts/rectangles/wheel.js @@ -3,7 +3,7 @@ base.wheel = new wheel({ el: document.querySelector("#map"), - update: function(val, delta){ + update: function(e, val, delta){ // do something with val }, }) @@ -12,18 +12,20 @@ function wheel (opt) { opt = defaults(opt, { + el: document, + fn: function(e, val, delta){}, propagate: false, locked: false, + reversible: true, ratio: 0.02, val: 0, min: -Infinity, max: Infinity, - el: document, - fn: function(){} }) - el.addEventListener('mousewheel', onMouseWheel, false); - el.addEventListener('DOMMouseScroll', onMouseWheel, false); + opt.el.addEventListener('mousewheel', onMouseWheel, false); + opt.el.addEventListener('DOMMouseScroll', onMouseWheel, false); + function onMouseWheel (e) { if (opt.locked) { return @@ -51,9 +53,12 @@ function wheel (opt) { opt.val = clamp(opt.val + delta, opt.min, opt.max) - opt.update(opt.val, delta) + opt.update(e, opt.val, delta) } + opt.lock = function(){ opt.locked = true } + opt.unlock = function(){ opt.locked = false } + return opt } |