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Adds physics world, body, shape and constraint inspection and physics debug views to Inspector Lite, and updates @babylonjs/lite to 1.37.2 (BabylonJS/Babylon-Lite#55, P10b). Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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🟡 Changes recommended
Mass-property edits can silently discard prior values and rotation-lock state, while unresolved visualization, helper-tracking, container-refresh, and polling-performance issues also remain.
5 open issues
What changed in this PR
Adds Havok physics inspection to Inspector Lite using Lite’s public discovery APIs, extending the explorer, property panes, and debug tools.
Changes:
- Adds live physics-world, body, and constraint discovery with editable properties and navigation.
- Adds independent body and constraint visualization with helper cleanup.
- Adds unit and Chrome integration coverage, documents limitations, and updates Lite dependencies to 1.37.2.
| File | Description |
|---|---|
| packages/public/@babylonjs/shared-ui-components/package.json | Updates Lite development dependency. |
| packages/public/@babylonjs/inspector-v2/package.json | Raises Lite peer minimum and development dependency. |
| packages/dev/sharedUiComponents/package.json | Updates Lite development dependency. |
| packages/dev/inspector-v2/test/unit/p4ImportBoundaries.test.ts | Checks lazy, runtime-neutral physics imports. |
| packages/dev/inspector-v2/test/unit/litePhysics.test.tsx | Tests discovery, properties, edits, and liveness guards. |
| packages/dev/inspector-v2/test/unit/liteDebugService.test.tsx | Tests independent physics switches and availability. |
| packages/dev/inspector-v2/test/unit/liteDebugController.test.ts | Tests viewer reconciliation, cleanup, and failures. |
| packages/dev/inspector-v2/test/integration/litePhysics.test.ts | Adds Chrome physics inspection coverage. |
| packages/dev/inspector-v2/test/app/litePhysics.ts | Adds a real Havok integration fixture. |
| packages/dev/inspector-v2/test/app/lite.ts | Exposes lazy physics-fixture loading. |
| packages/dev/inspector-v2/src/lite/services/panes/scene/physicsExplorerService.tsx | Adds live physics explorer nodes and selection cleanup. |
| packages/dev/inspector-v2/src/lite/services/panes/properties/physicsPropertiesService.tsx | Registers lazy physics property sections. |
| packages/dev/inspector-v2/src/lite/services/panes/debugService.tsx | Adds body and constraint visualization switches. |
| packages/dev/inspector-v2/src/lite/services/panes/debugController.ts | Manages per-world physics viewers and helpers. |
| packages/dev/inspector-v2/src/lite/sceneEntityUtils.ts | Excludes tracked physics helpers from discovery. |
| packages/dev/inspector-v2/src/lite/physicsUtils.ts | Adds discovery, liveness, and display utilities. |
| packages/dev/inspector-v2/src/lite/inspector.tsx | Registers physics explorer and properties services. |
| packages/dev/inspector-v2/src/lite/components/properties/physicsProperties.tsx | Implements guarded physics property controls. |
| packages/dev/inspector-v2/readme.md | Documents physics features and limitations. |
| packages/dev/inspector-v2/package.json | Updates Lite development dependency. |
| package.json | Updates the workspace Lite dependency. |
| package-lock.json | Locks Lite 1.37.2 across affected packages. |
Review effort: Balanced
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deltakosh
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Hello @ryantrem,
physicsProperties.tsx:547-569: editing Center of Mass after Mass discards the mass edit, because Lite rebuilds omitted properties from the shape. Please preserve the unedited values without overwriting the rotation-lock restoration data.debugController.ts:466: thin-instance bodies get a single wireframe at the carrier origin rather than one per collider. Please use instance-aware visualization or explicitly exclude unsupported thin bodies.debugController.ts:490: Lite's returned array omits the six constraint arrowheads, so they show up in Explorer and get bounding boxes. Please register every constraint helper.
Thanks!
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Snapshot stored with reference name: Test environment: To test a playground add it to the URL, for example: https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/19079/merge/index.html#WGZLGJ#4600 Links to test your changes to core in the published versions of the Babylon tools (does not contain changes you made to the tools themselves): https://playground.babylonjs.com/?snapshot=refs/pull/19079/merge To test the snapshot in the playground with a playground ID add it after the snapshot query string: https://playground.babylonjs.com/?snapshot=refs/pull/19079/merge#BCU1XR#0 If you made changes to the sandbox or playground in this PR, additional comments will be generated soon containing links to the dev versions of those tools. |
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You have made possible changes to the playground. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/PLAYGROUND/refs/pull/19079/merge/ The snapshot playground with the CDN snapshot (only when available): Note that neither Babylon scenes nor textures are uploaded to the snapshot directory, so some playgrounds won't work correctly. |
⚡ Performance Test Results🟢 All performance tests passed — no regressions detected. |
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WebGL2 visualization test reporter: |
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You have changed file(s) that made possible changes to the sandbox. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/SANDBOX/refs/pull/19079/merge/ |
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Visualization tests for WebGPU |
🟢 Memory Leak Test Results4 passed, 0 leaked out of 4 scenarios 🟢 All memory leak tests passed — no leaks detected. Passed Scenarios (4)
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Popov72
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Please make physics discovery linear in the number of bodies and constraints; the current repeated scans run even with visualization disabled. The property links also need to track world-index changes when an earlier world is removed. Both issues are detailed inline.
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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Reviewer - this PR has made changes to one or more package.json files. |
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You have changed file(s) that made possible changes to the sandbox. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/SANDBOX/refs/pull/19079/merge/ |
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You have made possible changes to the playground. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/PLAYGROUND/refs/pull/19079/merge/ The snapshot playground with the CDN snapshot (only when available): Note that neither Babylon scenes nor textures are uploaded to the snapshot directory, so some playgrounds won't work correctly. |
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Visualization tests for WebGPU |
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WebGL2 visualization test reporter: |
⚡ Performance Test Results🟢 All performance tests passed — no regressions detected. |
🟢 Memory Leak Test Results4 passed, 0 leaked out of 4 scenarios 🟢 All memory leak tests passed — no leaks detected. Passed Scenarios (4)
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Popov72
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Request substantial changes. The complete current-head post-fix review verified both prior corrections and found two medium-severity blocking debug-viewer performance issues and one low-severity nonblocking label update issue. All three are detailed inline.
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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Reviewer - this PR has made changes to one or more package.json files. |
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You have changed file(s) that made possible changes to the sandbox. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/SANDBOX/refs/pull/19079/merge/ |
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You have made possible changes to the playground. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/PLAYGROUND/refs/pull/19079/merge/ The snapshot playground with the CDN snapshot (only when available): Note that neither Babylon scenes nor textures are uploaded to the snapshot directory, so some playgrounds won't work correctly. |
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WebGL2 visualization test reporter: |
⚡ Performance Test Results🟢 All performance tests passed — no regressions detected. |
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Visualization tests for WebGPU |
Capture per-world physics membership once per refresh, batch constraint helper mesh tracking per world, and refresh the world properties scene label on rename. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Reviewer - this PR has made changes to one or more package.json files. |
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Request substantial changes. The complete current-head post-fix review verified the prior corrections and found one blocking rejected-input restoration/retry issue, detailed inline.
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You have changed file(s) that made possible changes to the sandbox. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/SANDBOX/refs/pull/19079/merge/ |
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You have made possible changes to the playground. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/PLAYGROUND/refs/pull/19079/merge/ The snapshot playground with the CDN snapshot (only when available): Note that neither Babylon scenes nor textures are uploaded to the snapshot directory, so some playgrounds won't work correctly. |
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WebGL2 visualization test reporter: |
🟢 Memory Leak Test Results4 passed, 0 leaked out of 4 scenarios 🟢 All memory leak tests passed — no leaks detected. Passed Scenarios (4)
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⚡ Performance Test Results🟢 All performance tests passed — no regressions detected. |
|
Visualization tests for WebGPU |
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Reviewer - this PR has made changes to one or more package.json files. |
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Converting to draft for now while I investigate what looks like a utility layer bug in Lite. |
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You have made possible changes to the playground. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/PLAYGROUND/refs/pull/19079/merge/ The snapshot playground with the CDN snapshot (only when available): Note that neither Babylon scenes nor textures are uploaded to the snapshot directory, so some playgrounds won't work correctly. |
|
Visualization tests for WebGPU |
|
WebGL2 visualization test reporter: |
|
You have changed file(s) that made possible changes to the sandbox. https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/SANDBOX/refs/pull/19079/merge/ |
⚡ Performance Test Results🟢 All performance tests passed — no regressions detected. |
🟢 Memory Leak Test Results4 passed, 0 leaked out of 4 scenarios 🟢 All memory leak tests passed — no leaks detected. Passed Scenarios (4)
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Adds the P10b Inspector UI for physics, allowing Lite applications to inspect and edit Havok physics worlds, bodies, shapes and constraints through the new public discovery APIs from BabylonJS/Babylon-Lite#869. This completes the Inspector-side work for P10 in BabylonJS/Babylon-Lite#55.
Changes
hidePhysicsConstraintinstead of rebuilding.@babylonjs/lite@1.37.2and raise Inspector's optional Lite peer minimum to^1.37.2.Limitations
Inspector v2's "Physics enabled" switch has no Lite equivalent. Mesh, convex hull, heightfield and container shapes don't report parameters, constraint pivots and axes come from the creation options, material combine modes aren't exposed, and thin-instance edits apply to all instances.
Validation
Against the published Lite 1.37.2 package:
build:sourcepassed.Screenshots