Falloff

The Falloff or Field's purpose is to allow XPresso access to the MoGraph falloff functionality. The falloff field displayed in the editor view can then also be applied to any XPresso effect. All that's necessary is that the Value output port be included in the effect. The falloff values generally range between 0 (beyond the range of the maximum (pink) effect) and 1 (within the range of the (pink) falloff field) and can be set to any value range using the Range Mapper XPresso Node.

The position of the Null object produces different values in the Spherical Field.