Alexpdennis Posted November 1, 2012 Share Posted November 1, 2012 this is super noobed out, i have looked around quite a bit and i dont know if its my innability to google the right phrases or what, but i cant find anything. im new to houdini and expressions and all that so please bare with me. im trying to achieve a randomization of an objects animation on its translate attribute. err like a wiggle effect in AE or vibrate tag in cinema 4d.. at first i tried the $FF but that just provided a random position for each frame. now i have a sin($F*10) in there which is cool on the Y but its too uniform. id liek to randomize it. that make sense? and i want it to be randomized across the x,y,z. this is probably super simple to most of you awesome people. sorry for the noobness, a Quote Link to comment Share on other sites More sharing options...
DanBode Posted November 1, 2012 Share Posted November 1, 2012 I think the noise function is what you're looking for. In a houdini textport type: exhelp noise[/CODE]to get the documentation for the noise function.You can also just type exhelp to get a list of all the expressions, which is super helpful. Quote Link to comment Share on other sites More sharing options...
lukeiamyourfather Posted November 2, 2012 Share Posted November 2, 2012 Now would be a good time to learn some about CHOP networks. Expressions can do a lot but you have much more control and flexibility once you're in CHOP land. I'm also in Dallas. chopTranslate.hip Quote Link to comment Share on other sites More sharing options...
Alexpdennis Posted November 9, 2012 Author Share Posted November 9, 2012 thank you so much my good sire.. awesome!!!! i dont know many people in dallas that do this kind of thing. do you know of a place i could take a houdini class around here? shoot if anything would be good to at least know somebody around here to bounce ideas off of. thanks again for your help man Quote Link to comment Share on other sites More sharing options...
lukeiamyourfather Posted November 11, 2012 Share Posted November 11, 2012 thank you so much my good sire.. awesome!!!! i dont know many people in dallas that do this kind of thing. do you know of a place i could take a houdini class around here? shoot if anything would be good to at least know somebody around here to bounce ideas off of. thanks again for your help man I'm not aware of any courses in the Dallas area. A few years ago I tried to get some going with local institutions but none were interested. If you want to meet up sometime and bounce ideas let me know. Or if you're interested in tutoring and private lessons I've done that kind of thing before. You can check out some of the training stuff I've done previously below. http://www.digitaltutors.com/11/training.php?pid=68 http://www.cmivfx.com/tutorials/view/480/Linux+For+VFX+And+CG+Production+Environments Quote Link to comment Share on other sites More sharing options...
Spyrogif Posted November 12, 2012 Share Posted November 12, 2012 If you are confortable with the after effect wiggle. You should try this. supposing you want to randomize an object Y position noise(0,sin($F)*10,0)*15 here 10 change the frequency and 15 the amplitude. Quote Link to comment Share on other sites More sharing options...
Alexpdennis Posted November 14, 2012 Author Share Posted November 14, 2012 dang, chops is lookin ill, and that expression was perfect man. thanks so much for your help guys. Quote Link to comment Share on other sites More sharing options...
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