Command_buffers_creation

    //helper functions will be provided in the bottom of the page
    createCommandPool(&object_picking_command_pool, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT);
    object_picking_commandBuffer.resize(swapChainImages.size());
    createCommandBuffers(object_picking_commandBuffer.data(), swapChainImages.size(), object_picking_command_pool);