intersect . . . invisible images

Mike Bonner bonnmike at gmail.com
Fri Jul 14 12:38:13 EDT 2017


The invisible man still had to worry about opening doors and bumping into
things.  His shin could intercept painfully with the corner of a coffee
table whether visible or not.

On Fri, Jul 14, 2017 at 10:19 AM, J. Landman Gay via use-livecode <
use-livecode at lists.runrev.com> wrote:

> I'm not sure why the explanation would be difficult. Existence is
> different from appearance. Intersect looks for existence at a particular
> location, visibility is how the object looks.
>
> Substitute "blue" for "visible" and it's the same thing.
>
>
> On July 14, 2017 5:03:09 AM Richmond Mathewson via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
> It does seem illogical that while one can set levels of transparency
>> with interset
>> an image can continue intersecting with another when it is, supposedly,
>> invisible . . .
>>
>> Certainly, having to explain THAT to children is going to make them take
>> an even
>> more dim view of adults than I hope they do already.
>>
>
> --
> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
> HyperActive Software           |     http://www.hyperactivesw.com
>
>
>
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