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Jan Hohenheim 2025-07-14 04:08:11 +02:00
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@ -36,7 +36,7 @@ but cameras and lights loaded from glTFs use the following coordinate system:
As you can see, this clashes with how Bevy assumes that everything in the world uses the same coordinate system. As you can see, this clashes with how Bevy assumes that everything in the world uses the same coordinate system.
In the past, we have imported glTFs using the camera / light coordinate system for everything, as it is already aligned with Bevy. In the past, we have imported glTFs using the camera / light coordinate system for everything, as it is already aligned with Bevy.
In other words, the glTF imported simply assumed that models used -Z as their forward direction, even though they use +Z. In other words, the glTF imported simply assumed that glTF models used -Z as their forward direction, even though they use +Z.
But that meant that a glTF model's `Transform::forward()` would actually point backwards from the point of view of the glTF model, But that meant that a glTF model's `Transform::forward()` would actually point backwards from the point of view of the glTF model,
which is counterintuitive and very annoying when working across different art pipelines. which is counterintuitive and very annoying when working across different art pipelines.