Скачать или смотреть slerpv VEX Function [Spherical Linear Interpolation for Vectors]

Houdini 20 has a new slerp function in VEX.

SLERP, or Spherical Linear Interpolation, is a term commonly used in computer graphics and animation, particularly in the context of rotations. It refers to a method for interpolating between two orientations, represented as quaternions, in a way that produces a constant angular velocity and a smooth rotational motion.

This method ensures that the interpolation occurs over the shortest path on a 4D sphere (since quaternions are 4D vectors). The result is a smooth and uniform rotation from one orientation to another.

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