{"action":"created","issue":{"url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/issues/107","repository_url":"https://api.github.com/repos/phetsims/forces-and-motion-basics","labels_url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/issues/107/labels{/name}","comments_url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/issues/107/comments","events_url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/issues/107/events","html_url":"https://github.com/phetsims/forces-and-motion-basics/issues/107","id":49280257,"number":107,"title":"Flashing \"Applied force\" and \"Friction information\" FF only","user":{"login":"orejolaphet","id":5631059,"avatar_url":"https://avatars.githubusercontent.com/u/5631059?v=3","gravatar_id":"","url":"https://api.github.com/users/orejolaphet","html_url":"https://github.com/orejolaphet","followers_url":"https://api.github.com/users/orejolaphet/followers","following_url":"https://api.github.com/users/orejolaphet/following{/other_user}","gists_url":"https://api.github.com/users/orejolaphet/gists{/gist_id}","starred_url":"https://api.github.com/users/orejolaphet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/orejolaphet/subscriptions","organizations_url":"https://api.github.com/users/orejolaphet/orgs","repos_url":"https://api.github.com/users/orejolaphet/repos","events_url":"https://api.github.com/users/orejolaphet/events{/privacy}","received_events_url":"https://api.github.com/users/orejolaphet/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/labels/task:S2015R","name":"task:S2015R","color":"5319e7"},{"url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/labels/type:question","name":"type:question","color":"EDCB62"}],"state":"open","locked":false,"assignee":{"login":"jessegreenberg","id":6396244,"avatar_url":"https://avatars.githubusercontent.com/u/6396244?v=3","gravatar_id":"","url":"https://api.github.com/users/jessegreenberg","html_url":"https://github.com/jessegreenberg","followers_url":"https://api.github.com/users/jessegreenberg/followers","following_url":"https://api.github.com/users/jessegreenberg/following{/other_user}","gists_url":"https://api.github.com/users/jessegreenberg/gists{/gist_id}","starred_url":"https://api.github.com/users/jessegreenberg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jessegreenberg/subscriptions","organizations_url":"https://api.github.com/users/jessegreenberg/orgs","repos_url":"https://api.github.com/users/jessegreenberg/repos","events_url":"https://api.github.com/users/jessegreenberg/events{/privacy}","received_events_url":"https://api.github.com/users/jessegreenberg/received_events","type":"User","site_admin":false},"milestone":null,"comments":4,"created_at":"2014-11-18T19:11:18Z","updated_at":"2016-02-13T00:32:07Z","closed_at":null,"body":"Slow performance if you rapidly click an one single object on the track for the \"Motion\" \"Acceleration\" and \"Friction\" screens. The Applied force and Friction information flash between being highlighted and not, rapidly after being clicked rapidly. \r\n\r\nOSX 10.9.4\r\nFF 33.1.1\r\nTo reproduce:\r\n-Open sim\r\n-Select any of the scenes with tracks (Acceleration, Motion, Friction)\r\n-Place a single object on the track\r\n-Rapidly click the object\r\n\r\n\r\nTroubleshooting information (do not edit):\r\nName: Forces and Motion: Basics\r\nURL: http://www.colorado.edu/physics/phet/dev/html/forces-and-motion-basics/1.1.0-rc.1/forces-and-motion-basics_en.html\r\nVersion: 1.1.0-rc.1\r\nFeatures missing: touch\r\nUser Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:33.0) Gecko/20100101 Firefox/33.0\r\nLanguage: en-US\r\nWindow: 1280x646\r\nPixel Ratio: 1/1\r\nWebGL: WebGL 1.0\r\nGLSL: WebGL GLSL ES 1.0\r\nVendor: Mozilla (Mozilla)\r\nVertex: attribs: 16 varying: 16 uniform: 1024\r\nTexture: size: 4096 imageUnits: 16 (vertex: 16, combined: 16)\r\nMax viewport: 8192x8192\r\nOES_texture_float: true"},"comment":{"url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/issues/comments/183541971","html_url":"https://github.com/phetsims/forces-and-motion-basics/issues/107#issuecomment-183541971","issue_url":"https://api.github.com/repos/phetsims/forces-and-motion-basics/issues/107","id":183541971,"user":{"login":"jessegreenberg","id":6396244,"avatar_url":"https://avatars.githubusercontent.com/u/6396244?v=3","gravatar_id":"","url":"https://api.github.com/users/jessegreenberg","html_url":"https://github.com/jessegreenberg","followers_url":"https://api.github.com/users/jessegreenberg/followers","following_url":"https://api.github.com/users/jessegreenberg/following{/other_user}","gists_url":"https://api.github.com/users/jessegreenberg/gists{/gist_id}","starred_url":"https://api.github.com/users/jessegreenberg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jessegreenberg/subscriptions","organizations_url":"https://api.github.com/users/jessegreenberg/orgs","repos_url":"https://api.github.com/users/jessegreenberg/repos","events_url":"https://api.github.com/users/jessegreenberg/events{/privacy}","received_events_url":"https://api.github.com/users/jessegreenberg/received_events","type":"User","site_admin":false},"created_at":"2016-02-13T00:32:07Z","updated_at":"2016-02-13T00:32:07Z","body":"```js\r\n    var createFrictionSlider = function() {\r\n      var createTick = function( label, visible ) {\r\n        var path = new Path( Shape.lineSegment( new Vector2( 0, 0 ), new Vector2( 0, -18 ) ), {\r\n          stroke: 'black',\r\n          lineWidth: 1\r\n        } );\r\n        var text = new Text( label, { font: new PhetFont( 15 ) } );\r\n        model.stack.lengthProperty.link( function( length ) {\r\n          var enabled = length > 0;\r\n          path.fill = enabled ? 'black' : 'gray';\r\n          text.fill = enabled ? 'black' : 'gray';\r\n        } );\r\n        return new VBox( { children: [ text, path ], pickable: false, visible: visible } );\r\n      };\r\n```"}}