How do I create this effect?
You could look up flood-fill. I just made a similar example over here:
You want to recursively test each direction until you hit a wall.
I didn't understand that example very well
You might forget that simple flood-fill (about 3 events) can achieve the mechanic:
alextro I don't think he will understand that
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Do you have a capx as an example?
korbaach Good work. You always come up so well. Wonderful work
I really appreciate your help. Thank you very much!!!