Hair Clumps

Clumps only section, modifications and other parameters related to clumps. Clumps are groups of hair curves with similar properties. There are no clumps by default when you create hair system, if you increase Hairs Per Clump all hair curves are replaced with groups of hair curves - clumps. Note that all other attributes outside of this sections take clump as a single hair curve, ie. all modifications are made to all members of clump. If seme parameters are meant to vary from curve to curve (all randomness attributes) they vary from clump to clump in fact.

Clump Base Radius

Every clump has its center it was created from (original single hair curve when clumps are disabled), other clump members grow in a circle around the center, base radius is maximum distance between the clump center and any clump member.

Clump Inclination

Clump members grow in a circle around clump center and can be bent towards the center (positive values) or away from it (negative values) using this parameter. See picture above with relatively high positive clump inclination.

Clump Length Randomness

Hair curve length randomness affects all clump members, there is no randomness in length of particular clump members. This parameter adds length variations to clump members.

Clump Kink

Similar as with length randomness, hair curve kink is applied to clump as a whole. This parameter adds length variations to clump members. See Kink attribute below for more details on kink.

Clump Mutant Rate

Mutant rate attribute in Hair Color section is an exception from other clump attributes, it creates mutants not from clump as a whole but from single hair curves - members of clumps. Using clump mutant rate it is possible to make a mutant from a clump as a whole - all members will be mutants. See Mutant Rate attribute below for more details on mutants. See picture below - left picture shows Mutant Rate attribute effect and right picture shows Clump Mutant Rate attribute effect.

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