{"action":"created","issue":{"url":"https://api.github.com/repos/liabru/matter-js/issues/127","labels_url":"https://api.github.com/repos/liabru/matter-js/issues/127/labels{/name}","comments_url":"https://api.github.com/repos/liabru/matter-js/issues/127/comments","events_url":"https://api.github.com/repos/liabru/matter-js/issues/127/events","html_url":"https://github.com/liabru/matter-js/issues/127","id":97799483,"number":127,"title":"Slow on mobile","user":{"login":"juanmarianacci","id":13451858,"avatar_url":"https://avatars.githubusercontent.com/u/13451858?v=3","gravatar_id":"","url":"https://api.github.com/users/juanmarianacci","html_url":"https://github.com/juanmarianacci","followers_url":"https://api.github.com/users/juanmarianacci/followers","following_url":"https://api.github.com/users/juanmarianacci/following{/other_user}","gists_url":"https://api.github.com/users/juanmarianacci/gists{/gist_id}","starred_url":"https://api.github.com/users/juanmarianacci/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/juanmarianacci/subscriptions","organizations_url":"https://api.github.com/users/juanmarianacci/orgs","repos_url":"https://api.github.com/users/juanmarianacci/repos","events_url":"https://api.github.com/users/juanmarianacci/events{/privacy}","received_events_url":"https://api.github.com/users/juanmarianacci/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-07-28T20:51:04Z","updated_at":"2015-07-29T13:20:36Z","closed_at":null,"body":"Hi!,\r\nI m working on a game, this work fine in desktop, but very slow in some devices (Samsung Galaxy Tab 4, for example) :(\r\nI try the demos, on my device and work slow too... Do you have any idea?\r\nThanks!!!"},"comment":{"url":"https://api.github.com/repos/liabru/matter-js/issues/comments/125950016","html_url":"https://github.com/liabru/matter-js/issues/127#issuecomment-125950016","issue_url":"https://api.github.com/repos/liabru/matter-js/issues/127","id":125950016,"user":{"login":"juanmarianacci","id":13451858,"avatar_url":"https://avatars.githubusercontent.com/u/13451858?v=3","gravatar_id":"","url":"https://api.github.com/users/juanmarianacci","html_url":"https://github.com/juanmarianacci","followers_url":"https://api.github.com/users/juanmarianacci/followers","following_url":"https://api.github.com/users/juanmarianacci/following{/other_user}","gists_url":"https://api.github.com/users/juanmarianacci/gists{/gist_id}","starred_url":"https://api.github.com/users/juanmarianacci/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/juanmarianacci/subscriptions","organizations_url":"https://api.github.com/users/juanmarianacci/orgs","repos_url":"https://api.github.com/users/juanmarianacci/repos","events_url":"https://api.github.com/users/juanmarianacci/events{/privacy}","received_events_url":"https://api.github.com/users/juanmarianacci/received_events","type":"User","site_admin":false},"created_at":"2015-07-29T13:20:36Z","updated_at":"2015-07-29T13:20:36Z","body":"Hi, thanks for your replys!\r\nHere is a part of my code:\r\n// create a Matter.js engine\r\n            var engine = Engine.create($('#canvas-container')[0], {\r\n                render: {\r\n                    options: {\r\n                        wireframes: false,\r\n                        background: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/28963/ball-bk2.jpg',\r\n                        //enableSleeping: true,\r\n                        //positionIterations: 1,\r\n                        //velocityIterations: 1,\r\n                        width: 1200,\r\n                        height: 800\r\n                    }\r\n                }\r\n            });\r\n\r\nI tried with enableSleeping: true, positionIterations: 1, velocityIterations: 1 and wireframes: true, but there was no change.\r\n\r\nActually, my game has 4 static blocks with the format:\r\nvar shelfA = Bodies.rectangle(40, 200, 100, 20, { isStatic: true, mass: 1000, friction: 0.99 });\r\n\r\nAnd a mobile block as:\r\nvar book = Bodies.rectangle(350, 560, 180, 40, { chamfer: { radius: 4 }, mass: 1000, friction: 0.8 });\r\n\r\nHow can I disabling my rendering?"}}