Method flushCommandBuffers

packages/core/src/ECS/Scene.ts:576–589

* 执行所有系统的延迟命令 * Flush all systems' deferred commands * * 在帧末统一执行所有通过 CommandBuffer 提交的延迟操作。 * Execute all deferred operations submitted via CommandBuffer at end of frame.

(systems: readonly EntitySystem[])

     * Execute all deferred operations submitted via CommandBuffer at end of frame.
     */
    private flushCommandBuffers(systems: readonly EntitySystem[]): void {
        const flushHandle = ProfilerSDK.beginSample('Scene.flushCommandBuffers', ProfileCategory.ECS);
        try {
            for (const system of systems) {
                try {
                    system.flushCommands();
                } catch (error) {
                    this._logger.error(`Error flushing commands for system ${system.systemName}:`, error);
                }
            }
        } finally {
            ProfilerSDK.endSample(flushHandle);
        }
    }

    /**
     * 处理系统执行错误