{"action":"created","issue":{"url":"https://api.github.com/repos/aochagavia/rocket/issues/28","repository_url":"https://api.github.com/repos/aochagavia/rocket","labels_url":"https://api.github.com/repos/aochagavia/rocket/issues/28/labels{/name}","comments_url":"https://api.github.com/repos/aochagavia/rocket/issues/28/comments","events_url":"https://api.github.com/repos/aochagavia/rocket/issues/28/events","html_url":"https://github.com/aochagavia/rocket/issues/28","id":184304009,"number":28,"title":"Switch to GraphicsTree piston2d backend when it is ready","user":{"login":"aochagavia","id":5196584,"avatar_url":"https://avatars.githubusercontent.com/u/5196584?v=3","gravatar_id":"","url":"https://api.github.com/users/aochagavia","html_url":"https://github.com/aochagavia","followers_url":"https://api.github.com/users/aochagavia/followers","following_url":"https://api.github.com/users/aochagavia/following{/other_user}","gists_url":"https://api.github.com/users/aochagavia/gists{/gist_id}","starred_url":"https://api.github.com/users/aochagavia/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aochagavia/subscriptions","organizations_url":"https://api.github.com/users/aochagavia/orgs","repos_url":"https://api.github.com/users/aochagavia/repos","events_url":"https://api.github.com/users/aochagavia/events{/privacy}","received_events_url":"https://api.github.com/users/aochagavia/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-10-20T18:22:46Z","updated_at":"2016-12-25T14:08:02Z","closed_at":null,"body":"Each time we draw an entity, Piston executes a draw call to the graphics card. This is incredibly expensive, but it can go unnoticed because the game does not have a big amount of entities. However, if we want others to learn from this project, it would be useful to use a backend that is able to scale. Fortunately, the [graphics_tree](https://github.com/PistonDevelopers/graphics_tree) backend seems to do exactly that, because it batches up the calls to draw and groups them together before sending them to the graphics card.\n"},"comment":{"url":"https://api.github.com/repos/aochagavia/rocket/issues/comments/269124175","html_url":"https://github.com/aochagavia/rocket/issues/28#issuecomment-269124175","issue_url":"https://api.github.com/repos/aochagavia/rocket/issues/28","id":269124175,"user":{"login":"johnthagen","id":10340167,"avatar_url":"https://avatars.githubusercontent.com/u/10340167?v=3","gravatar_id":"","url":"https://api.github.com/users/johnthagen","html_url":"https://github.com/johnthagen","followers_url":"https://api.github.com/users/johnthagen/followers","following_url":"https://api.github.com/users/johnthagen/following{/other_user}","gists_url":"https://api.github.com/users/johnthagen/gists{/gist_id}","starred_url":"https://api.github.com/users/johnthagen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/johnthagen/subscriptions","organizations_url":"https://api.github.com/users/johnthagen/orgs","repos_url":"https://api.github.com/users/johnthagen/repos","events_url":"https://api.github.com/users/johnthagen/events{/privacy}","received_events_url":"https://api.github.com/users/johnthagen/received_events","type":"User","site_admin":false},"created_at":"2016-12-25T14:08:02Z","updated_at":"2016-12-25T14:08:02Z","body":"I did happen to notice some lag on a macbook pro when I let a bunch of enemies pile up and destroyed them all at once."}}
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