{"action":"created","issue":{"url":"https://api.github.com/repos/Microsoft/pxt-microbit/issues/1645","repository_url":"https://api.github.com/repos/Microsoft/pxt-microbit","labels_url":"https://api.github.com/repos/Microsoft/pxt-microbit/issues/1645/labels{/name}","comments_url":"https://api.github.com/repos/Microsoft/pxt-microbit/issues/1645/comments","events_url":"https://api.github.com/repos/Microsoft/pxt-microbit/issues/1645/events","html_url":"https://github.com/Microsoft/pxt-microbit/issues/1645","id":380922278,"node_id":"MDU6SXNzdWUzODA5MjIyNzg=","number":1645,"title":"Sprite brightness update create temporary and erratic screen artifacts when graph plot is performed","user":{"login":"f-steff","id":7275320,"node_id":"MDQ6VXNlcjcyNzUzMjA=","avatar_url":"https://avatars2.githubusercontent.com/u/7275320?v=4","gravatar_id":"","url":"https://api.github.com/users/f-steff","html_url":"https://github.com/f-steff","followers_url":"https://api.github.com/users/f-steff/followers","following_url":"https://api.github.com/users/f-steff/following{/other_user}","gists_url":"https://api.github.com/users/f-steff/gists{/gist_id}","starred_url":"https://api.github.com/users/f-steff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/f-steff/subscriptions","organizations_url":"https://api.github.com/users/f-steff/orgs","repos_url":"https://api.github.com/users/f-steff/repos","events_url":"https://api.github.com/users/f-steff/events{/privacy}","received_events_url":"https://api.github.com/users/f-steff/received_events","type":"User","site_admin":false},"labels":[{"id":846638341,"node_id":"MDU6TGFiZWw4NDY2MzgzNDE=","url":"https://api.github.com/repos/Microsoft/pxt-microbit/labels/needs%20additional%20information","name":"needs additional information","color":"b25b35","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-11-14T22:51:32Z","updated_at":"2018-11-15T15:15:37Z","closed_at":null,"author_association":"NONE","body":"**Describe the bug**\r\nUpdating the brightness of sprites in functions where Graph Plot is enabled, produces temporary and erratic screen artifacts.\r\nThe behaviour is identical on both hardware and in the simulator.\r\n\r\n**To Reproduce**\r\nSteps to reproduce the behavior:\r\nSee the example code here: https://makecode.microbit.org/_R744U3hM2aX3\r\nRead usage description in the blocks.\r\n\r\n**Expected behavior**\r\nNo temporary and erratic screen artifacts when graph plot is performed.\r\n\r\n**Screenshots**\r\nSee the example code here: https://makecode.microbit.org/_R744U3hM2aX3\r\nRead usage description in the blocks.\r\n\r\n**Desktop (please complete the following information):**\r\nNot relevant.\r\n\r\n**Smartphone (please complete the following information):**\r\nNot relevant.\r\n\r\n**Additional context**\r\n Tested on firmware 0234 and 0250.\r\n"},"comment":{"url":"https://api.github.com/repos/Microsoft/pxt-microbit/issues/comments/439075036","html_url":"https://github.com/Microsoft/pxt-microbit/issues/1645#issuecomment-439075036","issue_url":"https://api.github.com/repos/Microsoft/pxt-microbit/issues/1645","id":439075036,"node_id":"MDEyOklzc3VlQ29tbWVudDQzOTA3NTAzNg==","user":{"login":"pelikhan","id":4175913,"node_id":"MDQ6VXNlcjQxNzU5MTM=","avatar_url":"https://avatars0.githubusercontent.com/u/4175913?v=4","gravatar_id":"","url":"https://api.github.com/users/pelikhan","html_url":"https://github.com/pelikhan","followers_url":"https://api.github.com/users/pelikhan/followers","following_url":"https://api.github.com/users/pelikhan/following{/other_user}","gists_url":"https://api.github.com/users/pelikhan/gists{/gist_id}","starred_url":"https://api.github.com/users/pelikhan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pelikhan/subscriptions","organizations_url":"https://api.github.com/users/pelikhan/orgs","repos_url":"https://api.github.com/users/pelikhan/repos","events_url":"https://api.github.com/users/pelikhan/events{/privacy}","received_events_url":"https://api.github.com/users/pelikhan/received_events","type":"User","site_admin":false},"created_at":"2018-11-15T15:15:37Z","updated_at":"2018-11-15T15:15:37Z","author_association":"MEMBER","body":"This is by design. The game engine rendering mixes with plotbargraph. In general, those cannot mix together."}}
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