Fix physics UI

Normand Briere

2019-08-06 b3ae4e889872ca0b9ca76f1d17b2f0b961226729

 BoundaryRep.java
..
..
@@ -1997,7 +1997,7 @@
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                 if (v.vertexlinks == null)
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                     continue;
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-                // Warning: a bit faster but dangerous
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+                // Warning: faster but dangerous
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                 if (v.weights != null && v.weights[j]
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                         // == 0)
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                         < 0.001 * v.totalweight)