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Description
the same superloop, trig-based, parametric curve as in the 'vines' piece. a yellow ball with tangent tube and oscucircle arc travel around the loop. we pick a viewpoint above and behind the tangent vector, with the binormal vector defining the vertical. you control the horizontal. the colored segments are fast approaching, can you tell where the tight turns are?

Description
the same superloop, trig-based, parametric curve as in the 'vines' piece. a yellow ball with tangent tube and oscucircle arc travel around the loop. we pick a viewpoint above and behind the tangent vector, with the binormal vector defining the vertical. you control the horizontal. the colored segments are fast approaching, can you tell where the tight turns are?