cocos2d-x To Xcode 修改物理引擎和资源缓存问题

_TARGET_BUILD_CONTENTS_PATH=$TARGET_BUILD_DIR/$CONTENTS_FOLDER_PATH
echo _TARGET_BUILD_CONTENTS_PATH: $_TARGET_BUILD_CONTENTS_PATH
echo PWD: $PWD
echo Cleaning $_TARGET_BUILD_CONTENTS_PATH/
#函数作用:刷新资源文件夹，解决xcode不能刷新资源文件夹的bug
#参数1:传入要操作的文件夹
function operation_folder()
{
    rm -fr $_TARGET_BUILD_CONTENTS_PATH/$1/*
    mkdir -p $_TARGET_BUILD_CONTENTS_PATH/$1/
                                                                                                                                                          
    #判断文件夹不为空，才进行复制，防止cp命令报错
    DIRECTORY=$PWD/../Resources/$1/
    if [ "`ls $DIRECTORY`" != "" ]; then
     cp -RLp $DIRECTORY/* $_TARGET_BUILD_CONTENTS_PATH/$1/
     echo operation_folder:$1 completed!
    fi
}