44 lines
912 B
JavaScript
44 lines
912 B
JavaScript
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const __ = {
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poolDic: Symbol('poolDic'),
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};
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/**
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* 简易的对象池实现
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* 用于对象的存贮和重复使用
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* 可以有效减少对象创建开销和避免频繁的垃圾回收
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* 提高游戏性能
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*/
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export default class Pool {
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constructor() {
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this[__.poolDic] = {};
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}
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/**
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* 根据对象标识符
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* 获取对应的对象池
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*/
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getPoolBySign(name) {
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return this[__.poolDic][name] || (this[__.poolDic][name] = []);
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}
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/**
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* 根据传入的对象标识符，查询对象池
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* 对象池为空创建新的类，否则从对象池中取
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*/
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getItemByClass(name, className) {
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const pool = this.getPoolBySign(name);
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const result = pool.length ? pool.shift() : new className();
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return result;
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}
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/**
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* 将对象回收到对象池
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* 方便后续继续使用
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*/
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recover(name, instance) {
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this.getPoolBySign(name).push(instance);
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}
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}
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