Method removeEntity

packages/core/src/ECS/Core/QuerySystem.ts:195–218

* 从查询系统移除实体 * * 从查询系统中移除指定实体，并清理相关索引。 * * @param entity 要移除的实体

(entity: Entity)

     * @param entity 要移除的实体
     */
    public removeEntity(entity: Entity): void {
        const index = this._entities.indexOf(entity);
        if (index !== -1) {
            const componentTypes: ComponentType[] = [];
            for (const component of entity.components) {
                componentTypes.push(component.constructor as ComponentType);
            }

            this._entities.splice(index, 1);
            this.removeEntityFromIndexes(entity);

            this._archetypeSystem.removeEntity(entity);

            if (componentTypes.length > 0) {
                this.notifyReactiveQueriesEntityRemoved(entity, componentTypes);
            } else {
                this.notifyReactiveQueriesEntityRemovedFallback(entity);
            }

            this.clearQueryCache();

            this._version++;
        }
    }

    /**
     * 更新实体在查询系统中的索引