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Found 8 results

  1. UE4 Curve Controls Bug/Issue

    Hey all. I've built quite a few Houdini assets for use in UE4. Some of them involve using curves as inputs, whereas I have the Curve node set as Editable in the asset, so you can move the points in unreal. I'm having an issue where I can use the assets as they're intended to be upon opening the project, but if I switch to working with regular meshes then come back to the HDAs, the curve handles are gone. In the documentation, it is mentioned that you just have to select an object with curve controls enabled in order to be able to select the curve points and transform them individually. There is a warning about items that have multiple components besides a curve component being difficult to select (i.e. things with mesh, collision, etc). The recommended solution is using the world outliner to select the curve objects, but obviously that doesn't work for Houdini assets as they are just one item in the outline. Am I missing something about component selection modes in UE4? It's fixable by reopening the project, but that's a little bit excessive to close and reopen projects just to have functionality with my curves on HDAs. Should I switch over to actual curve input from unreal using an object merge? Is that input method more dependable to re-select the asset and adjust curves after the initial drop-in? I can provide HDAs or video demonstrations if needed.
  2. Vertex texture animation

    Hi, Im a Realtime VFX artist. I'm trying to make it sure that pipeline Houdini to ue4 now (about vertex animation texture). And First I made Rigid body animation, but it didn't work well, Problems and question here ↓ ・I couldn't Import FBX to UE4, sometime I could but I don't know why. ・Vertex animation is looks broken Even import success. (maybe texture doesn't render correctly) ・Which node should set geometry path? Im using "Houdini16 Indie" and "ue4.14 SideFxSamples" Project (Sorry I lost Dates of succeeded Import FBX to UE4) probably those information is not enough, Let me know Please what you need, I'm sorry for random questions. Thank you.
  3. Vertex Animation Tool giving mantra error

    With the recent 16.0.6 update, Houdini added games shelf tools. one of these tools is vertex animation. I've been trying to integrate my particle system into Unreal Engine 4 for the past 2 days. When I try to render the vertex animation subnetwork gives this error: Error Error rendering child: /out/vertex_animation_textures/mantra11 Diving into the subnetwork there's two nodes that give errors the first node gives this error: Error Zero resolution for camera '/out/vertex_animation_textures/sprite_obj/cam1' and the second node gives this error: Error Error rendering input: /out/vertex_animation_textures/mantra11 From what I've read from another odforce forum post the problem seems to be that the HDA for vertex animations textures need to be used correctly. Quote from Gramx's post: " Hi Luiz, I have been looking at the hip files and it seems that you have a newer version of the Vertex Animation Textures Asset. I get an error saying incomplete asset definition. Are you able to send over the latest asset or will it be available in the next Daily Houdini build. I am running 16.0.542 Thanks Graham " Gramx's post Shouldn't the tool just work on it's own? Or am I doing something wrong? Any help into the right direction would really be appreciated, maybe even an example of the particle working in Unreal. Cheers, Callan RubberParticles.hipnc
  4. RBD to unreal

    Hey all Could anyone point me in the direction to get a rigid body sim into UE4, I've got the Sim (it can be super simple) and I'd prefer FBX. Ideally I don't want deforming geo. The closest I've found is this workflow but it seems like the code isn't maintained. (This isn't mine) LINK https://vimeo.com/124874315 https://www.orbolt.com/asset/LaidlawFX::RBDFBXExport::1.0 I wanted to know if there's something I'm missing. Thanks once again in advance. Brian
  5. SideFX will be doing a Houdini + UE4 training session on the Unreal Engine Twitch stream this Thursday, Jan. 12th at 11am PST/ 2pm EST. Get more info and the livestream link here: https://forums.unrealengine.com/showthread.php?133203-SideFX-s-Houdini-UE4-Plugin-w-the-SideFX-Team-Jan-12th-Live-from-Epic-HQ!
  6. Hey there! I recently gave a talk to the Vancouver Houdini User Group about how Houdini can be used for making visual effects for games. It was a reasonably short lecture (~45 minutes) so I decided to record it afterward and comment the Houdini file a little so I could share it online. The lecture is targeted at film people who would like to transition into games but aren't sure how to get started. It's not a step-by-step on creating fluids or any nonsense like that, but rather a look at some of the ways you might optimize an effect for real time. If you're not familiar with who I am, I've written a little about how I got into games over on my blog: http://www.allegrodigital.com/?p=1991 Or you can go straight to the lecture which is free, and hosted on Udemy: https://www.udemy.com/game-effects-using-houdini-ue4 Hope it's of use to someone!
  7. Hi, guys I'm playing with Houdini and Unreal Engine 4 and I'm trying to bake each points position into texture. https://docs.unrealengine.com/latest/INT/Engine/Animation/Tools/VertexAnimationTool/VAT_TL_Meshes/index.html Basically, I want to transfer the maxscript that shown in above link into Houdini world. I know there is several way to bake SOP data into texture, like using with texture bake node, or using with cop node like below link but I'm wondering is there more direct way to do it via VEX? Maybe using python with external python image library could be option but it may need too much work. I found writepixel() VEX function in help, but I don't know how to use it. Any suggestion or though will be appreciated. Thanks!
  8. ... and made Unreal Engine 4 free for EVERYONE! https://www.unrealengine.com/blog/ue4-is-free
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