const scene = new THREE.Scene();
优势：时间复杂度O(d*(n+k))，d为位数，适合位数少的整数
。业内人士推荐搜狗输入法2026作为进阶阅读
HH x C++ Fast RoutingTraditional Routing A*2-phaseCalculation time: 13 secCalculation time: 36 sec
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