{"action":"closed","issue":{"url":"https://api.github.com/repos/mrdoob/three.js/issues/14372","repository_url":"https://api.github.com/repos/mrdoob/three.js","labels_url":"https://api.github.com/repos/mrdoob/three.js/issues/14372/labels{/name}","comments_url":"https://api.github.com/repos/mrdoob/three.js/issues/14372/comments","events_url":"https://api.github.com/repos/mrdoob/three.js/issues/14372/events","html_url":"https://github.com/mrdoob/three.js/issues/14372","id":335851579,"node_id":"MDU6SXNzdWUzMzU4NTE1Nzk=","number":14372,"title":"Negative scale in camera matrix turns models inside out","user":{"login":"Korijn","id":1882046,"node_id":"MDQ6VXNlcjE4ODIwNDY=","avatar_url":"https://avatars0.githubusercontent.com/u/1882046?v=4","gravatar_id":"","url":"https://api.github.com/users/Korijn","html_url":"https://github.com/Korijn","followers_url":"https://api.github.com/users/Korijn/followers","following_url":"https://api.github.com/users/Korijn/following{/other_user}","gists_url":"https://api.github.com/users/Korijn/gists{/gist_id}","starred_url":"https://api.github.com/users/Korijn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Korijn/subscriptions","organizations_url":"https://api.github.com/users/Korijn/orgs","repos_url":"https://api.github.com/users/Korijn/repos","events_url":"https://api.github.com/users/Korijn/events{/privacy}","received_events_url":"https://api.github.com/users/Korijn/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":8,"created_at":"2018-06-26T14:37:52Z","updated_at":"2018-06-28T06:07:34Z","closed_at":"2018-06-28T06:07:34Z","author_association":"NONE","body":"Objects are not turned inside out when giving them a negative scale thanks to the fixes in #12787 However when setting a negative scale on the camera, the scene is turned inside out regardless.\r\n\r\nLooking at the changes made in #12787 I believe that instead of taking the determinant of `object.matrixWorld` it should be the determinant of `object.modelViewMatrix` which includes the camera view transform.\r\n\r\nLocal testing confirms that this resolves the issue."}}
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