Chapter 42. Deformers
Eugene d’Eon University of Waterloo
Three-dimensional modeling and animation packages offer a wide variety of deformation tools such as Deform by Lattice and Deform by Wave. These tools allow a small number of controls to warp an arbitrarily complex mesh. Deformers can be used to quickly perform advanced modeling operations, and their controls can be animated to provide powerful animation rigs. In most cases, offloading deformation calculations from the CPU onto the GPU is possible, allowing more advanced animation systems within real-time applications and providing more interactive modeling tools. In this chapter, we will explore how to offload deformers onto the GPU, with emphasis on the problem of computing normals.
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