摘要：
export default class QuadtreeRect{ max_objects = 10; max_levels = 4; level = 0; bounds = null; objects = []; nodes = []; /** * Quadtree Constructor * 阅读全文
摘要：
namespace QuadtreeCircle{ export class Point { x = 0; y = 0; userData = null; constructor(x, y, data) { this.x = x; this.y = y; this.userData = data; 阅读全文