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How to enable Chaos in 4.23

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    Anyone tried geometry collections on Oculus Quest, or any android devices? It crashes after running, with error: Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:C:/UnrealEngine-4.23/Engine/Source/Runtime/Core/Public\Containers/Array.h] [Line: 614]

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      Does anyone else still not have collision between geometry collections and normal physical objects? I'm making a ball drop through a fractured mesh I made and it just phases right through.

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        https://thumbs.gfycat.com/RecentAridBobcat-mobile.mp4
        Originally posted by GamesByH View Post
        Does anyone else still not have collision between geometry collections and normal physical objects? I'm making a ball drop through a fractured mesh I made and it just phases right through.
        I am having this issue as well.
        https://media.giphy.com/media/fwKEtv...VGTr/giphy.gif

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          GamesByH Same issue here, I hope someone can address this since I am not able to test Chaos properly.

          This is what I did:

          - Compiled UE4.23.1 from source without any problem
          - Opened a Blueprint project that I created with UE4.23.0 "Launcher Edition" creating a copy
          - Imported a static mesh from Blender
          - Created a Geometry Collection and left all default settings
          - Fractured the static mesh

          So far so good

          - Started the simulation

          The static mesh completely ignores the plane I use as floor, it falls right through it and then it fractures once it touches the world floor (where the grid is).
          Any of the steps I did sound familiar to you? Maybe we are doing something wrong, I thought it was because I opened a project created with a previous version of the engine, I'm going to test this asap.

          I tried messing around with the Geometry Collection settings, with the detail panel's settings, with the Chaos solver settings, no luck.

          * UPDATE *

          Even creating a brand new project doesn't seem to fix the issue, still no collision between Geometry Collections and other static meshes or physical assets.
          Any advice and help will be greatly appreciated, have a lovely day!
          Last edited by DxDen1004; 09-12-2019, 01:10 AM.

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            Small test.

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              Originally posted by svv3d View Post
              Small test.
              Any chance you would let me have the project file? Put it on Google drive. Or make a video. Did you use 4.23? Would you like money? ha.

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                I would like to use the fps to do Chaos destruction.
                Last edited by theProfessor; 09-15-2019, 12:04 PM.

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                  Is it only me or playing building destruction from sequencer - the last example 4.A in Geometry map - doesn't work?

                  I did move Chaos assets to my own project with engine built from source. Everything else seems to work fine.

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                    ChaosDestructionDemo is NOT on the Learn tab of the Launcher. Where is it?!?

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                      Make sure you have tied anchorfield to the GeoCollection. I am now fracturing geoCollections created with Chaos. Doing it in both of the default levels. I will make a movie in a few days. Look at Oakmans video. I am using the shooter in Gameplay_05. Works great.
                      Last edited by theProfessor; 09-18-2019, 10:18 AM.

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                        Originally posted by Thinkingman.com View Post
                        ChaosDestructionDemo is NOT on the Learn tab of the Launcher. Where is it?!?
                        It is there. Scroll down a little and it is the 2nd project example along the list.
                        Nilson Lima
                        Technical Director @ Rigel Studios Ltda - twitter: @RigelStudios
                        Join us at Discord: https://discord.gg/uFFSEXY

                        UE4 Marketplace: Cloudscape Seasons
                        supporting: Community FREE Ocean plugin

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                          Just downloaded 4.23, cannot wait to start playing with chaos. Curious, is this real time fracturing? Can we implement our own fracturing?
                          Would love to add a radial voronoi fracturing.
                          LinkedIn | Link custom Shaders in 4.21/4.22/4.23 | Atmosphere Modelisation | Distance Matching Locomotion | Nvidia GameWorks builds - 4.19.2 : VXGI2.0, Blast, HairWorks, Flow - Plugins: VictoryBP

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                            Originally posted by MaximeDupart View Post
                            Just downloaded 4.23, cannot wait to start playing with chaos. Curious, is this real time fracturing? Can we implement our own fracturing?
                            Would love to add a radial voronoi fracturing.

                            You need to watch the videos (there is a Livestream from Epic made with the demo project available) and other videos from Unreal Engine Youtube channel. You will need to build from source to be able to use Chaos, since it is still in Beta. You will need to compile the Chaos Demo (VC++ project) along with the engine, following the guidelines at the start of this thread.
                            Nilson Lima
                            Technical Director @ Rigel Studios Ltda - twitter: @RigelStudios
                            Join us at Discord: https://discord.gg/uFFSEXY

                            UE4 Marketplace: Cloudscape Seasons
                            supporting: Community FREE Ocean plugin

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                              Would love to know if it's possible to implement fracturing at runtime. The planar fracturing is really cool and I'd love to try to make a game with realtime slicing in the style of what was originally promised for Metal Gear Rising:

                              https://www.youtube.com/watch?v=AtM3PGyiQUc
                              Alex Coulombe
                              Creative Director
                              Agile Lens: Immersive Design
                              New York City
                              www.agilelens.com

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                                Here is a useful tidbit from learn demo example 2.G:

                                You can add a StaticMeshSimulation component to a regular static mesh to inject it into the Chaos solver.
                                It can then be configured to be static, dynamic,sleeping, etc....

                                This provides a mechanism for Chaos fractured geometry to collide with regular PhysX static geometry.


                                Also - Should we start a new forum post dedicated to Chaos Tips and Info and leave this post for setup and configuration?
                                Attached Files
                                https://www.casualdistractiongames.com

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