Add a switch to wrap the boidUnits instead of bounding them. In terms of mapping, we'd use a [bilin](http://doc.sccode.org/Classes/SimpleNumber.html#-bilin) to have the peak/trough be at the center of the field such that when it wraps the values are the same.
Add a switch to wrap the boidUnits instead of bounding them.
In terms of mapping, we'd use a bilin to have the peak/trough be at the center of the field such that when it wraps the values are the same.