开发一个Shell脚本实现俄罗斯方块游戏

    #!/bin/bash
    # Tetris Game
    # 10.21.2003 xhchen<[email]xhchen@winbond.com.tw[/email]>
    
    #APP declaration
    APP_NAME="${0##*[\ /]}"
    APP_VERSION="1.0"
    
    
    #颜色定义
    cRed=1
    cGreen=2
    cYellow=3
    cBlue=4
    cFuchsia=5
    cCyan=6
    cWhite=7
    colorTable=($cRed $cGreen $cYellow $cBlue $cFuchsia $cCyan $cWhite)
    
    #位置和大小
    iLeft=3
    iTop=2
    ((iTrayLeft = iLeft + 2))
    ((iTrayTop = iTop + 1))
    ((iTrayWidth = 10))
    ((iTrayHeight = 15))
    
    #颜色设置
    cBorder=$cGreen
    cScore=$cFuchsia
    cScoreVa