# \#raycasting

**URL:** https://forum.8thwall.com/tag/raycasting/71.md

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## [8th studio world tracking raycasting](https://forum.8thwall.com/t/8th-studio-world-tracking-raycasting/4577)

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**Author:** [@Bit\_Effort](https://forum.8thwall.com/u/Bit_Effort)\
**Replies:** 1\
**Last updated:** [January 23, 2025, 9:09pm UTC](https://forum.8thwall.com/t/8th-studio-world-tracking-raycasting/4577 "2025-01-23T21:09:15Z")

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I need to stop the ray-casting when I touch some Objects. I need to pass through that object.

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## [Studio: raycaster](https://forum.8thwall.com/t/studio-raycaster/3469)

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**Author:** [@Alex\_Di\_Guida](https://forum.8thwall.com/u/Alex_Di_Guida)\
**Replies:** 3\
**Last updated:** [November 7, 2024, 3:18pm UTC](https://forum.8thwall.com/t/studio-raycaster/3469 "2024-11-07T15:18:15Z")

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Hi everyone, I’m working on a WebAR experience and trying to use a raycaster in Studio to get the face.normal value from an intersection. Initially, in a component, I used a standard THREE.Raycaster with the mesh and …

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## [How to detect when a user taps on a 3D model?](https://forum.8thwall.com/t/how-to-detect-when-a-user-taps-on-a-3d-model/605)

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**Author:** [@Elliot\_Kahn](https://forum.8thwall.com/u/Elliot_Kahn)\
**Replies:** 4\
**Last updated:** [March 21, 2024, 3:33pm UTC](https://forum.8thwall.com/t/how-to-detect-when-a-user-taps-on-a-3d-model/605 "2024-03-21T15:33:33Z")

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Looking to detect when users can successfully see and tap on a treasure chest hidden amongst many 3D models. Any ideas, or projects I could look at that have similar functionality?