[TRACKER] Jolt Physics PRs

[AR-DEV-1]

Tracker for Jolt Physics (PRs)

These are the PRs for Jolt.
Goal: Add further support for Jolt in Godot, make it stable & possibly make it the default physics engine.

PRs:

• Increase WorldBoundaryShape3D size to 8192x8192 when using Jolt #101130
• Add support for Jolt's FixedConstraint joint #101575
• Add Jolt distance constraint #103958
• Make Jolt Physics the default 3D physics engine #105762
• Implement get_applied_force and get_applied_torque for 3D joints #111842

[AThousandShips]

What is this tracker meant to track? Trackers are usually for organizing specific issue areas or specific topics related to some problem or goal, like tracking areas lacking unit tests, or rendering bugs

[AR-DEV-1]

What is this tracker meant to track? Trackers are usually for organizing specific issue areas or specific topics related to some problem or goal, like tracking areas lacking unit tests, or rendering bugs

This tracker is meant to track Jolt so we can get it ready for becoming the default physics engine (possibly) & add further support for it.

[mrjustaguy]

#106290 this doesn't seem to belong here as it's Navigation, not Physics, let alone Jolt related.

also as per #103959 (comment) that PR also doesn't (shouldn't) relate to Jolt as it changes a desired behavior.

[AThousandShips]

This tracker is meant to track Jolt so we can get it ready for becoming the default physics engine (possibly) & add further support for it.

That should be the goal then I'd say, and the name of the tracker, and it should contain only PRs for that, like bringing parity and similar

Most of these aren't Jolt specific but cover features added to both, so if this is a tracker for getting Jolt to a state of stability they don't really belong

[AR-DEV-1]

Just removed the other ones, any other changes?

[AThousandShips]

#108022 and #100748 are not Jolt specific either

[mihe]

I don't quite understand the point of this tracker. None of the PRs listed here are (or at least shouldn't be) blockers for whether or not Jolt becomes the default 3D physics engine, since most of them concern features that Godot Physics doesn't have either. The only real parity issue here is #101130, which is not only minor but also unlikely to be merged given the concerns raised there.

As far as I'm aware, the only thing standing in the way of Jolt becoming default at this point is time. It's already been made the default for new projects in Godot 4.6, as seen in #105737, and will presumably be made the default entirely if that goes well. I would personally like to see some kind of resolution to the parity issues I mentioned in #111115 before that happens, but I don't get the sense that anybody else really cares much about them.

Listing every open Jolt-related PR in general doesn't seem particularly helpful, and might give people the idea that they're something we aspire to merge, which might not be the case.

[jrouwe]

I think we also still have this:

Add support for interactions between Area3D and SoftBody3D.

I thought we created a ticket for it, but I can't find it anymore.