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Note way matrix needs to be round. (#6776)

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Vecvec 2024-12-18 14:16:58 +13:00 committed by GitHub
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6
etc/specs/ray_tracing.md
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@ -128,11 +128,13 @@ struct RayIntersection {
front_face: bool, front_face: bool,
// Matrix for converting from object-space to world-space. // Matrix for converting from object-space to world-space.
// //
// Bug: This matrix need to be transposed currently otherwise it will not work properly. // This matrix needs to be on the left side of the multiplication. Using it the other way round will not work.
// Use it this way: `let transformed_vector = intersecion.object_to_world * vec4<f32>(x, y, z, transform_multiplier);
object_to_world: mat4x3<f32>, object_to_world: mat4x3<f32>,
// Matrix for converting from world-space to object-space // Matrix for converting from world-space to object-space
// //
// Bug: This matrix need to be transposed currently otherwise it will not work properly. // This matrix needs to be on the left side of the multiplication. Using it the other way round will not work.
// Use it this way: `let transformed_vector = intersecion.world_to_object * vec4<f32>(x, y, z, transform_multiplier);
world_to_object: mat4x3<f32>, world_to_object: mat4x3<f32>,
} }