[etoys-notify] [JIRA] Commented: (SQ-921) Ghost Images left in Playfield

Karl Ramberg (JIRA) tracker at squeakland.org
Sun May 15 05:47:31 EDT 2011

    [ http://tracker.squeakland.org/browse/SQ-921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=39775#action_39775 ] 

Karl Ramberg commented on SQ-921:

Nope, bug is in drawing borders on morphs. Seems morphs don't check if bottom or right borders overshoot left or top edge is certain circumstances.

> Ghost Images left in Playfield
> ------------------------------
>                 Key: SQ-921
>                 URL: http://tracker.squeakland.org/browse/SQ-921
>             Project: squeakland
>          Issue Type: Bug
>          Components: etoys
>            Reporter: Stephen Thomas
>         Attachments: drew bug.001.pr, Multiplication Model X.002.pr
> See attached project Page 3 
> I have only seen the Ghost Images when moving the vertical slider (moving slowly seems to be more likely to re-create the problem).
> Note: the length/width of the rectangle can go negative, I preventing that by changing the script to add x := 0 max: x.  But when I did everything stopped working, will investigate and file bug once sure error is not in programmer. 

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