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Step 1
Two spheres and two bones. The extent of the range is shown for each bone,
this is drawn as a radius around each end of the bone.
The range of bone 1 extends over the whole of sphere 1 but does not influence sphere 2.
The range of bone 2 is larger and does extend to cover the sphere around bone 1.
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Step 2
When bone 2 is elongated (by moving node 2) there is a small distortion of the top part of
the sphere around bone 1.
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Step 3
When we rotate bone 1, the sphere around it is distorted but the influence does not
affect the sphere at the end of bone 2 as it is too far away.
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Step 4
In this example we see the effect of distorting a sphere when all vertices lies
within the range of all the bones. (Start)
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Step 5
In this example we see the effect of distorting a sphere when all vertices lies
within the range of all the bones, move vertices 1 and 2 (at the end of the bones) together.
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Tutorial written by Stuart
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