bevy/assets
James Liu 31bd4ecbbc Mesh Skinning. Attempt #3 (#4238)
# Objective
Load skeletal weights and indices from GLTF files. Animate meshes.

## Solution
 - Load skeletal weights and indices from GLTF files.
 - Added `SkinnedMesh` component and ` SkinnedMeshInverseBindPose` asset
 - Added `extract_skinned_meshes` to extract joint matrices.
 - Added queue phase systems for enqueuing the buffer writes.

Some notes:

 -  This ports part of # #2359 to the current main.
 -  This generates new `BufferVec`s and bind groups every frame. The expectation here is that the number of `Query::get` calls during extract is probably going to be the stronger bottleneck, with up to 256 calls per skinned mesh. Until that is optimized, caching buffers and bind groups is probably a non-concern.
 - Unfortunately, due to the uniform size requirements, this means a 16KB buffer is allocated for every skinned mesh every frame. There's probably a few ways to get around this, but most of them require either compute shaders or storage buffers, which are both incompatible with WebGL2.

Co-authored-by: james7132 <contact@jamessliu.com>
Co-authored-by: François <mockersf@gmail.com>
Co-authored-by: James Liu <contact@jamessliu.com>
2022-03-29 18:31:13 +00:00
..
android-res/mipmap-mdpi android example polish (#845) 2020-11-11 16:31:16 -08:00
branding Minor Dark/Light Logo Tweak (#4051) 2022-02-27 02:09:42 +00:00
data Asset system rework and GLTF scene loading (#693) 2020-10-18 13:48:15 -07:00
fonts initial text rendering 2020-05-13 13:22:12 -07:00
models Mesh Skinning. Attempt #3 (#4238) 2022-03-29 18:31:13 +00:00
scenes Fix warning in scene example (#1441) 2021-02-22 03:59:36 +00:00
shaders examples: add screenspace texture shader example (#4063) 2022-02-28 22:55:14 +00:00
sounds use ogg by default instead of mp3 (#3421) 2021-12-23 19:19:15 +00:00
textures Simple 2d rotation example (#3065) 2022-01-25 22:10:11 +00:00