file: jobg.t package: muf status: alpha
Turbulence is a noise function which has been creased by introducing an absolute-value computation: This turns zero-crossings into discontinuities somewhat reminiscent of the boundaries between eddys in turbulent flow. Turbulence functions are often used for modelling explosions and such.
lo is the lowest frequency you want represented,
hi is the highest -- there is no point in
exceeding pixel resolution in general.
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