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How can I change the curve resolution of hair particles? It seems that by default, hair consists of 4 segments. Which is fine most of the time, but for long hair this does not work at all, as in this picture.
The segments spinner at the very top of the particle settings does not accomplish this, contrary to what one would think from the name and tooltip: "Number of Hair Segments".
There are three different settings which control this:
3D view > Particle edit mode > Tool shelf > Options > Draw. This setting affects the curve resolution in the 3D view only while in particle edit mode.
Properties > Particle settings > Render > Steps This setting controls the number of steps in the final render.
Properties > Particle settings > Display > Color This setting controls the number of steps in the viewport, outside of particle edit mode.
The Segments setting at the top of the particle settings controls the number of control vertices there are, however doesn't affect the number of interpolation steps. Think of this like scaling an image up with Nearest interpolation; you end up with more pixels, but the result is not smoothed.
You should also check the influence of the Children settings in the Kink section are different types of periodic offset to choose from:
Increase the frequency slider (number of waves) and adjust the amplitude (strength of waves)
