The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
Фото: Григорий Сысоев / РИА Новости
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Since then, the WebAssembly CG has dramatically expanded the core capabilities of the language, adding shared memories, SIMD, exception handling, tail calls, 64-bit memories, and GC support, alongside many smaller improvements such as bulk memory instructions, multiple returns, and reference values.