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Clarify and simplify formula for attenuation #2414

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Jun 19, 2024
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@emackey emackey commented Jun 17, 2024

Fixes #2390

Based on comments in #2390 (comment)

Related sample viewer PR: KhronosGroup/glTF-Sample-Viewer#550

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emackey commented Jun 17, 2024

/cc @bsdorra

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@abwood abwood left a comment

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This follows the math simplification outlined by Alexey in the linked issue. Thanks @emackey

@abwood abwood merged commit cc633b8 into main Jun 19, 2024
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@abwood abwood deleted the attenuation-zero-spec branch June 19, 2024 18:51
abbaswasim pushed a commit to abbaswasim/glTF that referenced this pull request Sep 7, 2024
kwokcb added a commit that referenced this pull request Sep 17, 2024
* KHR_materials_ior: Minor typo: plural instead of singular (#2413)

* Update anisotropy extension spec (#2409)

* Clarify and simplify formula for attenuation. (#2414)

* Add TRACE prefix (#2417)

* Update clearcoat extension spec (#2415)

* Update README. (#2427)

* Add KHR_node_hoverability (#2428)

* Add KHR_node_hoverability
* Resort extension list

* EXT_mesh_gpu_instancing: Suggest extensionRequired usage (#2405)

* Add button/link to glTF Discord (#2429)

As there is a lot more traffic to the Khronos glTF Discord than there is to Slack, a button pointing users to Discord will be helpful.

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Co-authored-by: Andreas Atteneder <andreas.atteneder@unity3d.com>
Co-authored-by: Alexey Knyazev <3479527+lexaknyazev@users.noreply.github.com>
Co-authored-by: Ed Mackey <elm19087@gmail.com>
Co-authored-by: Marco Hutter <javagl@javagl.de>
Co-authored-by: Khronos Group Web Services <webservices@khronosgroup.org>
Co-authored-by: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Co-authored-by: James Riordon <outofcontrol@users.noreply.github.com>
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Undefined behaviour in KHR_materials_volume
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