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perf(Select): fix update loop - #237
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donalffons wants to merge 3 commits into
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donalffons
commented
Aug 12, 2023
Author
Hmm after testing this further, I realized that this doesn't work in the case of <Canvas><Selection><Selectenabled><Boxname="box"/></Select><Selectenabled={false}></Select></Selection></Canvas>I will look into this some more... |
donalffons
commented
Aug 13, 2023
Author
I've played with this a bit more and I believe this fix is now working as intended. |
drcmda
commented
Aug 18, 2023
Member
is it ready to go in? did you notice any adverse effects on older boxes? |
Comment on lines
-25
to
+33
| if (api && enabled) { | ||
| let changed = false | ||
| const current: THREE.Object3D<THREE.Event>[] = [] | ||
| group.current.traverse((o) => { | ||
| o.type === 'Mesh' && current.push(o) | ||
| if (api.selected.indexOf(o) === -1) changed = true | ||
| }) | ||
| if (changed) { | ||
| api.select((state) => [...state, ...current]) | ||
| return () => { | ||
| api.select((state) => state.filter((selected) => !current.includes(selected))) | ||
| } | ||
| } | ||
| if (!api) return | ||
| const current: THREE.Object3D<THREE.Event>[] = [] | ||
| group.current.traverse((o) => { | ||
| if (o.type === 'Mesh') current.push(o) | ||
| }) | ||
| if (enabled && current.some(o => !api.selected.includes(o))) { | ||
| api.select(state => [...state, ...current]) | ||
| } else if (!enabled && current.some(o => api.selected.includes(o))) { | ||
| api.select(state => state.filter(o => !current.includes(o))) |
Contributor
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Why remove the cleanup handler? I'm not sure I understand when L33 is supposed to happen in the case of a Select unmounting with any number of siblings rather than parents who rerender when children change (e.g. <Selection> <Select /> <Select /> </Selection>).
Collaborator
Superseded by #359 - closing. |
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See #236 for additional details
Would be great to hear your feedback on this. This code
is only correct if there are no duplicates in any of the two arrays (otherwise, they would have to be de-duped first) - but I believe that is the case here.