On May 20, 2007, at 3:01 PM, David H. Shanabrook wrote:
I am experimenting with geometry tutors, such as pentominos. when
trying to fit shapes precisely together the shadow is very
disturbing, it is hard to know what is the shadow and what is the
shape, especially for kids.
When I want to remove the drag-shadow from Morphs, I often use
something like the following methods (implemented on my Morph subclass):
...
Of course I'm sure there must be some flag that does the same
thing! ;) If I am writing a system with many Morphs like this, I of
course put all of this code in a superclass to avoid clutter.
Hope this helps,
Benjamin Schroeder
You could take the same tack in Squeak. For instance, open a Workspace and
drill down using halos till you get to the smallest part. Drag it to a
different place. Repeat for all the parts. Then 'inspect/explore/browse' each
part to see how it was put together. You could also try tracing code
execution using "debug it" to pick up programming idioms. Use 'explain' to
find out more about new words/terms. Debug through ClickExerciser object to
see how it handles mouse clicks.
Enjoy .. Subbu