Angle snaps

[fpmalard]

Hello,

Is there a way to change the angle snap setting during a command?
I would like to make sure it is running and allow user only to go to some directions.
Something like this:

• User clicks at the start point;
• I draw something at the tool view to indicate the possible directions;
• The user is able to only go to these predefined angles.

Any tip on this?

Best regards,
Fernando Malard.