{"action":"created","issue":{"url":"https://api.github.com/repos/phetsims/hookes-law/issues/3","labels_url":"https://api.github.com/repos/phetsims/hookes-law/issues/3/labels{/name}","comments_url":"https://api.github.com/repos/phetsims/hookes-law/issues/3/comments","events_url":"https://api.github.com/repos/phetsims/hookes-law/issues/3/events","html_url":"https://github.com/phetsims/hookes-law/issues/3","id":93336043,"number":3,"title":"review ParametricSpringNode for potential optimizations","user":{"login":"pixelzoom","id":3046552,"avatar_url":"https://avatars.githubusercontent.com/u/3046552?v=3","gravatar_id":"","url":"https://api.github.com/users/pixelzoom","html_url":"https://github.com/pixelzoom","followers_url":"https://api.github.com/users/pixelzoom/followers","following_url":"https://api.github.com/users/pixelzoom/following{/other_user}","gists_url":"https://api.github.com/users/pixelzoom/gists{/gist_id}","starred_url":"https://api.github.com/users/pixelzoom/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pixelzoom/subscriptions","organizations_url":"https://api.github.com/users/pixelzoom/orgs","repos_url":"https://api.github.com/users/pixelzoom/repos","events_url":"https://api.github.com/users/pixelzoom/events{/privacy}","received_events_url":"https://api.github.com/users/pixelzoom/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/phetsims/hookes-law/labels/code%20review","name":"code review","color":"bfe5bf"}],"state":"open","locked":false,"assignee":{"login":"pixelzoom","id":3046552,"avatar_url":"https://avatars.githubusercontent.com/u/3046552?v=3","gravatar_id":"","url":"https://api.github.com/users/pixelzoom","html_url":"https://github.com/pixelzoom","followers_url":"https://api.github.com/users/pixelzoom/followers","following_url":"https://api.github.com/users/pixelzoom/following{/other_user}","gists_url":"https://api.github.com/users/pixelzoom/gists{/gist_id}","starred_url":"https://api.github.com/users/pixelzoom/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pixelzoom/subscriptions","organizations_url":"https://api.github.com/users/pixelzoom/orgs","repos_url":"https://api.github.com/users/pixelzoom/repos","events_url":"https://api.github.com/users/pixelzoom/events{/privacy}","received_events_url":"https://api.github.com/users/pixelzoom/received_events","type":"User","site_admin":false},"milestone":null,"comments":16,"created_at":"2015-07-06T17:48:14Z","updated_at":"2015-07-14T21:59:17Z","closed_at":null,"body":"Hooke's Law feels a bit sluggish to me on iPad, especially after we started using the more complicated ParametricSpringNode for the spring view.\r\n\r\n To demonstrate, compare this version that uses a simple spring view:\r\nhttp://www.colorado.edu/physics/phet/dev/html/hookes-law/1.0.0-dev.17/hookes-law_en.html\r\n\r\n... to this version with ParametricSpringNode:\r\nhttp://www.colorado.edu/physics/phet/dev/html/hookes-law/1.0.0-dev.18/hookes-law_en.html\r\n\r\n@jonathanolson Could you please review ParametricSpringNode for potential optimizations?"},"comment":{"url":"https://api.github.com/repos/phetsims/hookes-law/issues/comments/121404582","html_url":"https://github.com/phetsims/hookes-law/issues/3#issuecomment-121404582","issue_url":"https://api.github.com/repos/phetsims/hookes-law/issues/3","id":121404582,"user":{"login":"pixelzoom","id":3046552,"avatar_url":"https://avatars.githubusercontent.com/u/3046552?v=3","gravatar_id":"","url":"https://api.github.com/users/pixelzoom","html_url":"https://github.com/pixelzoom","followers_url":"https://api.github.com/users/pixelzoom/followers","following_url":"https://api.github.com/users/pixelzoom/following{/other_user}","gists_url":"https://api.github.com/users/pixelzoom/gists{/gist_id}","starred_url":"https://api.github.com/users/pixelzoom/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pixelzoom/subscriptions","organizations_url":"https://api.github.com/users/pixelzoom/orgs","repos_url":"https://api.github.com/users/pixelzoom/repos","events_url":"https://api.github.com/users/pixelzoom/events{/privacy}","received_events_url":"https://api.github.com/users/pixelzoom/received_events","type":"User","site_admin":false},"created_at":"2015-07-14T21:59:17Z","updated_at":"2015-07-14T21:59:17Z","body":"More stuff I'll need to do:\r\n\r\n• Rewrite some of HookesLawIconFactory, which relies on accurate bounds of the springNode. For example, on my first attempt at using boundsMethod:'none', createIntroScreenIcon was failing an assertion in Node with \"x not finite\"."}}