→ 0x5B8 (GATE_HANDLER)
Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.
。关于这个话题，雷电模拟器官方版本下载提供了深入分析
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Note however that depending on as well as the distribution of colours in the palette, there may not always be an exact solution for any given . Instead we’ll say that we want to minimise the absolute error between and some linear combination , or .
Tetrapal: A Palette Triangulator