{"action":"created","comment":{"url":"https://api.github.com/repos/palantir/plottable/pulls/comments/29015551","id":29015551,"diff_hunk":"@@ -118,12 +118,19 @@ export module Dispatcher {\n      * calls broadcast() on the supplied Broadcaster.\n      */\n     private _measureAndBroadcast(e: TouchEvent, b: Core.Broadcaster<Dispatcher.Touch>) {\n-      var touch = e.changedTouches[0];\n-      var newTouchPosition = this.translator.computePosition(touch.clientX, touch.clientY);\n-      if (newTouchPosition != null) {\n-        this._lastTouchPosition = newTouchPosition;\n-        b.broadcast(this.getLastTouchPosition(), e);\n-      }\n+      var touches = e.changedTouches;\n+      this._lastTouchPositions = [];\n+      var ids: number[] = [];\n+      for (var i = 0; i < touches.length; i++) {\n+        var touch = touches[i];\n+        var touchID = touch.identifier;\n+        var newTouchPosition = this.translator.computePosition(touch.clientX, touch.clientY);\n+        if (newTouchPosition != null) {\n+          ids.push(touchID);\n+          this._lastTouchPositions[touchID] = newTouchPosition;","path":"src/dispatchers/touchDispatcher.ts","position":55,"original_position":55,"commit_id":"6192b225219e82e275c6ac0a0704939c9949acef","original_commit_id":"6192b225219e82e275c6ac0a0704939c9949acef","user":{"login":"bluong","id":1448299,"avatar_url":"https://avatars.githubusercontent.com/u/1448299?v=3","gravatar_id":"","url":"https://api.github.com/users/bluong","html_url":"https://github.com/bluong","followers_url":"https://api.github.com/users/bluong/followers","following_url":"https://api.github.com/users/bluong/following{/other_user}","gists_url":"https://api.github.com/users/bluong/gists{/gist_id}","starred_url":"https://api.github.com/users/bluong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bluong/subscriptions","organizations_url":"https://api.github.com/users/bluong/orgs","repos_url":"https://api.github.com/users/bluong/repos","events_url":"https://api.github.com/users/bluong/events{/privacy}","received_events_url":"https://api.github.com/users/bluong/received_events","type":"User","site_admin":false},"body":"I can move the array to be more of an object model if you want.  The idea is similar to a hashmap","created_at":"2015-04-24T00:20:57Z","updated_at":"2015-04-24T00:20:57Z","html_url":"https://github.com/palantir/plottable/pull/1867#discussion_r29015551","pull_request_url":"https://api.github.com/repos/palantir/plottable/pulls/1867","_links":{"self":{"href":"https://api.github.com/repos/palantir/plottable/pulls/comments/29015551"},"html":{"href":"https://github.com/palantir/plottable/pull/1867#discussion_r29015551"},"pull_request":{"href":"https://api.github.com/repos/palantir/plottable/pulls/1867"}}},"pull_request":{"url":"https://api.github.com/repos/palantir/plottable/pulls/1867","id":33736303,"html_url":"https://github.com/palantir/plottable/pull/1867","diff_url":"https://github.com/palantir/plottable/pull/1867.diff","patch_url":"https://github.com/palantir/plottable/pull/1867.patch","issue_url":"https://api.github.com/repos/palantir/plottable/issues/1867","number":1867,"state":"open","locked":false,"title":"[DONOTMERGE] [Dispatcher.Touch] - Using multiple touches","user":{"login":"bluong","id":1448299,"avatar_url":"https://avatars.githubusercontent.com/u/1448299?v=3","gravatar_id":"","url":"https://api.github.com/users/bluong","html_url":"https://github.com/bluong","followers_url":"https://api.github.com/users/bluong/followers","following_url":"https://api.github.com/users/bluong/following{/other_user}","gists_url":"https://api.github.com/users/bluong/gists{/gist_id}","starred_url":"https://api.github.com/users/bluong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bluong/subscriptions","organizations_url":"https://api.github.com/users/bluong/orgs","repos_url":"https://api.github.com/users/bluong/repos","events_url":"https://api.github.com/users/bluong/events{/privacy}","received_events_url":"https://api.github.com/users/bluong/received_events","type":"User","site_admin":false},"body":"Leaving up an experimental initial implementation.\r\n\r\nAdding in the idea of identifiers gotten from the events themselves to correlate which touch correlates with which point.\r\n\r\nNOTE: There are a lot of TODOs that should be remedied in this pull request.  I just wanted to have this out for initial 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