odToad Posted December 2, 2017 Share Posted December 2, 2017 This is one of those "I know it can be done in Houdini, but I cant figure out how" questions: I have a rollercoaster, with a cart nicely moving and banking along the rails. I'd like a view from the rollercoaster - as if you were an occupant, and I imagine tying a camera to the carts coordinate frame (eg including location and orientation) But the cameras are one level "up" from my cart geometry...they do have an input however... What is an elegant solution for this ? <pre apologies if this is so obvious that its a stupid question - I couldn't find anything on Google on this - but i am eager to learn> Quote Link to comment Share on other sites More sharing options...
Luijee Posted December 3, 2017 Share Posted December 3, 2017 You can do this with the rivet node. It will require some way to work out the coordinate system of your cart, you'll need 2 axis' stored as a point attribute on the geometry Rivet will access. Here's a simple scene setup: parent_transform.hip Quote Link to comment Share on other sites More sharing options...
odToad Posted December 8, 2017 Author Share Posted December 8, 2017 That is awesome, thanks Luijee ! (and apologies for the late reply, my notification from the forums landed in spam folder, fixed now) Quote Link to comment Share on other sites More sharing options...
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