Jimbo55 Posted February 25, 2015 Share Posted February 25, 2015 Hello Houdini Users. I am trying to have a static sand object slowly become a dynamic object, much like the begging example in this video. https://www.youtube.com/watch?v=9-mGIl5kekk&spfreload=10 I’m trying to group the particles overtime and having that group being effected be gravity/becoming dynamic. Any tips would be appreciated. Thanks. -Jim Sand_v01.4.hip Quote Link to comment Share on other sites More sharing options...
sergio Posted February 26, 2015 Share Posted February 26, 2015 Hi Jim, take a look at the attached file. I've only added the POPWrangle node in dopnet. Alter the "staticgroup" group in cube sop as you like. Sand_v01.4.hipnc Quote Link to comment Share on other sites More sharing options...
Jimbo55 Posted February 26, 2015 Author Share Posted February 26, 2015 This is great! Thank you so much Sergio! I just have one last question. What if I wanted to animate the static to dynamic? I'm having trouble finding where I have it evaluate the incoming source every frame. Thanks again for your help. -Jim Sand_v01.5_animation.hipnc sand_animated.mov Quote Link to comment Share on other sites More sharing options...
sergio Posted February 26, 2015 Share Posted February 26, 2015 you can do the grouping inside dopnetwork to make sure it's fed in. my setup here is a fast one but if you'd like to group with another sop and use attribute transfer you can just bring it in the sop solver by object merging. Sand_v01.6_animation.hipnc Quote Link to comment Share on other sites More sharing options...
Jimbo55 Posted February 27, 2015 Author Share Posted February 27, 2015 Thanks Sergio! This is great stuff. Quote Link to comment Share on other sites More sharing options...
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