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1. Re: How Do You Make a Flow Map?

   

   Reply by redbox · Feb 2013 · Home› Unreal Engine

   Hi! Few days ago I finished my tutorial about flow feature for UDK. It explains all details about UDK materials and flow map creation with Houdini FX. Available here - http://forums.epicgames.com/threads/939815-TUTORIAL-Water-Flow-For-UDK

2. Re: How Do You Make a Flow Map?

   

   Reply by Phill · Dec 2011 · Home› Unreal Engine

   Thanks! :) What artifact are you referring to? For the number of nodes: The tutorial is exploded for comprehension rather than optimization. The last step addresses your point in simplification. The version of the shader in the tutorial comes out to being 45 instructions for the baseline, and 85 (edit: which is higher than…

3. Re: How Do You Make a Flow Map?

   

   Reply by sinistergfx · Feb 2013 · Home› Unreal Engine

   I made a couple Photoshop actions for working with flow maps. First, an action for generating a texture coordinate image like so: Secondly, an action for converting a morphed/deformed texture coordinate image like you would get out of Maya Fluids (just like imbueFX's tutorial) or Photoshop's liquify tool to a vector flow…

4. Re: How Do You Make a Flow Map?

   

   Reply by SirCalalot · Dec 2011 · Home› Unreal Engine

   Just a heads up guys, I found a great little tutorial specifically for UDK by Phill Johnson over on the World of Level Design forums. :)

5. Re: How Do You Make a Flow Map?

   

   Reply by Phill · Dec 2011 · Home› Unreal Engine

   This might not be as useful after everyone else's posts, but I just wrote a UDK specific tutorial implementing a version of Valve's approach from their Siggraph presentation. If not, don't mind me! ^_^ http://phill.inksworth.com/tut.php

6. Re: How Do You Make a Flow Map?

   

   Reply by Phill · Dec 2011 · Home› Unreal Engine

   Thanks! :) I just edited for clarity on that point. I can see that some people might assume I meant whole numbers if not explicitly told otherwise. I'm hoping to write a few more tutorials as I go, so feedback is great. :)

7. Re: How Do You Make a Flow Map?

   

   Reply by Swizzle · May 2012 · Home› Unreal Engine

   Since this is basically the first and best result for this type of thing that pops up in Google, I figure it'd be good if I posted this tutorial in here. It's quick and easy to make flow maps in Photoshop: http://www.polycount.com/forum/showthread.php?p=1582749#post1582749

8. Re: How Do You Make a Flow Map?

   

   Reply by imbueFX · Sep 2012 · Home› Unreal Engine

   @Lotekk: Incredible! @Haidda: Originally I was messing with soup, but kept getting stuck. I found a solution that allows me to work easily with the built-in features in Maya. @Computron: I will eventually make a tutorial regarding this method, yes. For my site, probably not 3dmotive.

9. Re: How Do You Make a Flow Map?

   

   Reply by imbueFX · Apr 2013 · Home› Unreal Engine

   Hey all, I'm about to do a supplemental chapter to my FX flowmap tutorial, and the big star of the chapter is how to do animated flowmaps with your particles. The chapter will be free for existing customers. Here's a quick sample video I put together last night that hightlights it in action. [ame="…

10. Re: How Do You Make a Flow Map?

    

    Reply by feanix · Dec 2012 · Home› Unreal Engine

    I'm having some trouble trying to get this shader to work in the UDK. Here's my test flowmap. I'd expect no movement in the centre, and movement away from the centre in all other blocks. Here's the shader tree, based on Phill's tutorial: Here's the result: https://www.youtube.com/watch?v=Y8Aukho0crI Can't figure out why…