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Allow arbor to deal with a single node. #29

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max333 wants to merge 1 commit into samizdatco:master from max333:master

max333 commented May 21, 2012

Made changes so that arbor can deal with a single node. There are 3 different changes, all in physics.js:

Barnes-Hut was getting in an infinite loop with a single node. It was not even possible to add more nodes. Now Barnes-Hut does nothing when there are less than two nodes.
A single node used to jitter, but now applyCenterDrift does nothing for less than two nodes.
The bounding box would get reduced to a point for a single node, but now the bounding box is unchanged for less two nodes.


          Update src/physics/physics.js

b0cd2b1

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