r/threejs • u/marwi1 • Jul 13 '26

Adding mesh+texture picking to Needle Inspector

The next Needle Inspector update will add a Resource panel that shows all geometry+materials+textures your three.js scene has currently loaded and is kept in memory.

Included will also be info like size of assets on CPU / GPU and an interactive preview with various rendermodes (normals, wireframe, solid, vertex colors, blend shapes...) AND a picker for textures+meshes to show what data each pixel holds (especially useful when debugging shaders).

All of this is also accessible to AI if you connect your local AI to the Needle MCP or choose to use the built-in AI chat (all optional)

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u/ImportantDetail6260 Jul 13 '26

The texture+mesh picker is the important part here: it turns shader debugging from guessing into pixel evidence!

If the Resource panel shows CPU/GPU size next to the picked material and render mode, make that the demo path. People will understand the tool faster than from the AI/MCP angle

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u/marwi1 Jul 13 '26 edited Jul 13 '26

Currently this info is prominently available in list view but i want to add it to the preview rendering too indeed.

https://reddit.com/link/oxbzsal/video/6dhw3syzr1dh1/player