1. A video gaming system comprising: a camera system operable to provide images of an object; and a computing device configured to receive the images from the camera system, drive a display system, and generate an influence image comprising a plurality of outline areas partially surrounding a representation of the object and positioned successively further away from the representation of the object, wherein a portion of the plurality of outline areas that impinge at least one virtual object are used to estimate a strength and a direction of an interaction with the at least one virtual object.