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index: bitgroup index, bits: bitgroup size(1, 2 or 4), in: bitgroup value, out: octet array to add bits to*/

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Return the adler32 of the bytes data[0..len-1]*/

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Helper: Text buffer for logging/accumulating text

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color is not allowed to already exist. Index should be >= 0 (it's signed to be compatible with using -1 for "doesn't exist")*/

returns -1 if color not present, its index otherwise*/

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Counts awake vs. asleep stack skeletons (mobile, non-projectile).

Creates a single-body skeleton with a FreeJoint at the given position.

Builds the `dim x dim x dim` stack-of-boxes world used by the boxes benchmark/example: a Bullet collision detector, dim^3 free boxes dropped above a w

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============================================================================== Creates a N link pendulum with the given dimensions where each joint is

============================================================================== Builds a closed four-bar linkage as a single skeleton: a fixed base plu

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