snapshot自动生成
整个世界的快照：Kernel、场景与所有已提交状态。
The whole world: its Kernels, its scene and every committed state.
{"id": 1, "op": "snapshot"}| 名称 | 类型 | 必需 | 说明 |
|---|---|---|---|
to |
string |
否 | a file to write it to, where --allow file.write allows |
the world’s revision and frame (the frames committed since it), every Kernel with its generation and source, every port’s committed state; or the file written