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Houdini Velocity Grid Exporter

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    #16
    Do you know how to use the sequences of .fga in UE4?

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      #17
      I hate to be the person said this, but 220225 should understand that SideFX does not allow "exporter" type of thing with apprentice license.(I contacted them before on the HD version and get the same response, no export of any kind even though you can write a plugin yourself.)
      As with anyone wanted to do this themselves, be careful and always check with the software's owner before you think you did something smart to use their software for free.

      It's unlikely that any actual game could be done just by vector field files, but everything has a starting point, and I hope you guys tread the business path carefully.
      Unreal Engine 4 Game Framework diagram for relation of all major base object types
      Unreal Engine 4 Input Event diagram, scroll down to section Input Processing Procedural
      Resident Evil Classic Camera
      RPCs official document, Must Read
      Everything you should know about replication

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        #18
        PenguinTD is right: the EULA for Apprentice allows no commercial use whatsoever, but if you bump up to Houdini Indie, it's all good.

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          #19
          Originally posted by Stjohn909 View Post
          PenguinTD is right: the EULA for Apprentice allows no commercial use whatsoever, but if you bump up to Houdini Indie, it's all good.
          I wouldn't say "all good" Houdini Indie still has very specific terms as well. Always read the EULA.

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            #20
            Originally posted by 220225 View Post
            Hi,
            I made a simple simulation basically using the curve force in Houdini and make the particles followed a spiral shape like path. Then export the simulation result to an fga file and import into Unreal Engine 4. It may not seem exactly the same like the one showed in the tutorial video. But I think the idea behind is pretty much similar. Hope it helps. Thank you ^^
            [ATTACH=CONFIG]9725[/ATTACH]
            [ATTACH=CONFIG]9726[/ATTACH]
            Any chance you could upload the .hip for this file? I'm having trouble getting the vectors to point in the correct direction, can't figure out what the cause is. Would like to use it as an example if you'd be so kind

            Cheers

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              #21
              Seconding the chap above me would love an example .hip file.

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                #22
                Hi, Osgrim
                The link ( https://www.dropbox.com/s/tw30sk6tgw...ple.hipnc?dl=0 ) is the .hip file I was used to test the velocity field exporter. hope it helps. Sorry about the late reply. Have a good day and let me know if you have any questions.

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                  #23
                  Hey there !
                  Sorry to be here that late but the Velocity Grid Exporter does not work on particle simulation in H15. I don't know why, I look through code but I can't see what's the problem.

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                    #24
                    Hi Benny !

                    I was trying to do some Vector Field or Velocity Grid for Unreal.
                    That's an amazing tool but it doesn't work on H15.5 with Particle Simulation. I don't know why, I tried to look through your code, but I can't see what's wrong.

                    After many researchs in your code, and after looking at the debug node, I found that when you're doing a Particle Simulation, the box is really small and don't take the Voxel value in the interface. I fixed that problem but simulation doesn't work even after that.

                    Do I make a mistake in using it ? Is there another solution to export Vector Field or Velocity Grid to Unreal ?
                    Any help is welcome !

                    Cheers,

                    Gaƫl.

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                      #25
                      Maybe a little late, but I thought I'd chime in here. A pop sim doesn't create a velocity field by default. Theoretically you could create your own using a gas field vop and sampling the the particle velocity there, you would first have to manually create a vector field to sample to as well.

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                        #26
                        This exporter error in houdini 16 ;D.. Do you have an upgrade version?

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