By Shoemake K.
Stable our bodies roll and tumble via house. In desktop animation, so do cameras. The rotations of those items яге most sensible defined utilizing a 4 coordinate approach, quaternions, as is proven during this paper. Of all quaternions, these at the unit sphere are best suited for animation, however the query of ways to build curves on spheres has now not been a lot explored. This paper supplies one solution through proposing a brand new form of spline curve, created on a sphere, compatible for easily in-betweening (i.e. interpolating) sequences of arbitrary rotations. either concept and test exhibit that the movement generated is tender and ordinary, with no quirks present in prior equipment.
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Animating rotations with quaternion curves by Shoemake K.