Adam Ferestad Posted February 20, 2013 Share Posted February 20, 2013 I am working on a project that uses Vector attributes on a plane to set the velocity attribute of a series of particles. How this is set up now the particles start on a primitave that has an initial vector on it, so they start moving. They travel over a region of primatives with no vector set, which I have the system ignore. Eventually they cross another prim with the vector set and they take the new vector immediately. What I am looking for is a way to detect when they cross over this region and instead of immediately taking the vector, I want to have the change be more gradual over time. Is there any way to do this? I know how to do it for an entire span, but only for specific frames. How do i make it only happen when it detects a change in the velocity vectors. Quote Link to comment Share on other sites More sharing options...
rafaelfs Posted February 21, 2013 Share Posted February 21, 2013 I'm not sure how you're picking up the new vector values (point cloud or attribute transfer or what) but I'd try adding a ratio of the new vector at every time step until the particle reaches the full velocity. Cheers Quote Link to comment Share on other sites More sharing options...
Adam Ferestad Posted February 25, 2013 Author Share Posted February 25, 2013 here is what I am working with right now. I have a very specific direction I need to go with the project, so i may need several suggestions for solutions. The first file was an experimental system I developed that served as a root to this project. this is all for an undergraduate research project. wandering particles.hipnc city streets basic.hipnc Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.