运行带distance field的Hiero

从http://libgdx.badlogicgames.com/releases/下载zip包并解压，切换到解压后的目录，执行：

java -cp gdx.jar;gdx-natives.jar;gdx-backend-lwjgl.jar;gdx-backend-lwjgl-natives.jar;extensions\gdx-tools\gdx-tools.jar com.badlogic.gdx.tools.hiero.Hiero