Optical illusion There are a variety of different types of optical illusions. Many are included in the following list. Artists who have worked with optical illusions include M. C. Escher, Bridget Riley, Salvador Dalí, Giuseppe Arcimboldo, Patrick Bokanowski, Marcel Duchamp, Jasper Johns, Oscar Reutersvärd, Victor Vasarely and Charles Allan Gilbert. Contemporary artists who have experimented with illusions include Jonty Hurwitz, Sandro del Prete, Octavio Ocampo, Dick Termes, Shigeo Fukuda, Patrick Hughes, István Orosz, Rob Gonsalves, Gianni A. Sarcone, Ben Heine and Akiyoshi Kitaoka. Optical illusion is also used in film by the technique of forced perspective. Op art is a style of
Art of Illusion can be used to control shape changes. With skeletons it is possible to save predefined gestures that can be combined as poses, to generate complex repeatable movements. Animation data of each object is stored into animation tracks as key frames. Art or Illusion uses multi threading for rendering images and it provides several options for lighting. The core software package comes with two built in renderers: Art of Illusion supports two scripting languages, BeanShell and Groovy and it comes with a basic level text editor for writing, editing and running scripts. There are three different types of scripts each for