GNOMON WORKSHOP Dynamics 6: (DYN06) Product Details
FA powerful method for designing particle motion is to have a particle's position/movement be driven by geometry. By adding 'goals' to a particle object, one can design particle behavior so that they are attracted to an object's pivot, poly vertices or to the UV coordinate space of NURBS surfaces. This can be used to create anything from a laser blast, to spiders crawling along a surface to a character made out of fire.
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04: NURBS Surfaces