[Swarm-Support] question about coloring of the background, and leaving paths

[Rex Oleson]

Actually I have 2 seperate questions, but they might be related to each other.

1)
  I was wondering how you go about leaving a trail behind and agent. To 
demonstrate where he has been? I know I could do this by leaving an object and 
setting the color of that object appropriately, but that seem like a lot of 
work. I know also that in the termite program and a few others they appear to 
use another.

2) 
  Is there a way to set the background color of the simulation screen, instead 
of the standard black?

Thank you,
Rex Oleson

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