[Squeakland] Drawing lines
Alan Kay
alan.kay at squeakland.org
Tue Jan 25 10:46:36 PST 2005
Hi Gustavo --
Etoys has a preference for this: called "Batching" and "unBatching".
There is a global one that affects the world, but each playfield can be set
one way or the other. Get out a playfield from supplies, go to its red
handle menu, look for "playfield options" to get a submenu, and then reset
the batching item.
Both of these are useful. However, it's clear that this preference should
be on each line drawing object, and the set and reset should happen in the
"pen use" category. We will make that change sometime this year.
Best wishes,
Alan
At 10:21 AM 1/24/2005, Gustavo Correa H. wrote:
>Squeakland friends:
>
>I´m trying to draw a rectangle by moving a "Dot" using the "Forward by" with
>its "PenDown" and after each side is completed changing the "Heading". I´m
>able to obtain the trail rectangle but it is drawn all at once while I would
>like it to be drawn few pixels every time (as if you were moving a pencil).
>
>Can someone help me with this?
>
>Thanks.
>
>
>PolloGus
>
>
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