Each leg takes individual jerky steps, but all the legs working together produce a smooth gliding movement. Note that even though the muscle fiber contracts, the myofilaments do not become shorter any more than a rope becomes shorter as you pull in an anchor. The thin filaments slide over the thick ones, as the name of the theory implies. 1 Music from Amazon.com. From the opening of a brand new vinyl record to the hidden tracks on your favorite CDs, the melodies and beats of your favorite tunes can soothe, energize, create whole new memories, and even transform your entire mood. Draw curves and their direction of movement. Build Beziér splines by combining curves; Support free, aligned, and mirrored control points; Support looping splines; Move and place objects along a spline. This tutorial builds on the foundation laid by previous tutorials. 2018-12-22: A new spline. 2018-12-21: Dear developer, the Web isn't about you. 2018-12-21: DNS over TLS from Cloudflare's recursive servers to Facebook's authoritative servers. 2018-12-21: When anti-virus software causes 15 minute GC pauses and crashes in a .NET Windows service. 2018-12-21: Five facts about smell.