isInterleaves returns whether the BufferView used by the provided accessor is interleaved.
(accessor Accessor)
| 1010 | |
| 1011 | // isInterleaves returns whether the BufferView used by the provided accessor is interleaved. |
| 1012 | func (g *GLTF) isInterleaved(accessor Accessor) bool { |
| 1013 | |
| 1014 | // Get the Accessor's BufferView |
| 1015 | if accessor.BufferView == nil { |
| 1016 | return false |
| 1017 | } |
| 1018 | bv := g.BufferViews[*accessor.BufferView] |
| 1019 | |
| 1020 | // Calculates the size in bytes of a complete attribute |
| 1021 | itemSize := TypeSizes[accessor.Type] |
| 1022 | itemBytes := int(gls.FloatSize) * itemSize |
| 1023 | |
| 1024 | // If the BufferView stride is equal to the item size, the buffer is not interleaved |
| 1025 | if bv.ByteStride == nil || *bv.ByteStride == itemBytes { |
| 1026 | return false |
| 1027 | } |
| 1028 | return true |
| 1029 | } |
| 1030 | |
| 1031 | // loadBufferView loads and returns a byte slice with data from the specified BufferView. |
| 1032 | func (g *GLTF) loadBufferView(bvIdx int) ([]byte, error) { |