yjcnbnbnb200 Posted March 27, 2014 Share Posted March 27, 2014 I have a simple flip simulation dop with a gravity node at the node of node graph. Now I just want to apply gravity to particles velocity or vorticity more then a value. So how to write expression in dop group node? Quote Link to comment Share on other sites More sharing options...
yjcnbnbnb200 Posted March 27, 2014 Author Share Posted March 27, 2014 for dynamic object I know we should use $OBJID to represent an RBD object, but all the flip object is treated as just 1 object, I can not use dopfield or dopoption? Quote Link to comment Share on other sites More sharing options...
mawi Posted March 27, 2014 Share Posted March 27, 2014 The dop group node groups objects not geometry. Use pop nodes to group/manipulate particles. 1 Quote Link to comment Share on other sites More sharing options...
yjcnbnbnb200 Posted March 28, 2014 Author Share Posted March 28, 2014 WOuld you please show me more steps about that? For example, how to use pop node? You mean pop solver or pop geometry or anything else? And then? Quote Link to comment Share on other sites More sharing options...
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