Frustum Output Sentences

There is no frustum sentences for output directly, but there is a color > set my color ?? sentence can modify the result of frustum detect from other agents.

The frustum simulates the vision, and if the color changed, the vision from other agents can be changed.

 
(Left) the McdAgentGroup node; (right) setup the color for this type of agent

The color > set my color ?? in output sentence can modify the color of current agent.

If the color result is -1 in output, the agent cannot been detected(seen) by any other agents' frustum