Nitro4D previews the latest plugin for Cinema 4D that will allow you to create falloff for selections with can assist in modeling as well as animation. The NitroFallOff Plugin for Cinema 4D will allow you to affect objects based on linear or circular fall off values providing a control widget in the C4D viewport.

NitroFallOff for cinema 4d creates selection control in Cinema 4d through linear and spherical fall off curves

NitroFallOff can be used for modeling or animation, taking the form of an effector in the scene allowing you to move it independently of the object it is affecting. You are also able to edit the falloff strength and effect with a graph, offering quite a bit of control over the tool. Check out the Nitro4D NitroFallOff Plugin for Cinema 4D for more information.