我目前正在完成iphone3dprogrammingbook这本书说将以下python代码添加到xcode的构建阶段,以运行提供的texturetool。书名a.Leavetheshellas/bin/sh.b.Enterthisdirectlyintothescriptbox:BIN=${PLATFORM_DIR}/../iPhoneOS.platform/Developer/usr/binINFILE=${SRCROOT}/Textures/Grid16.pngOUTFILE=${SRCROOT}/Textures/Grid16.pvr${BIN}/texturetool-m-fP