shell脚本编写的俄罗斯方块游戏代码

                #显示当前移动的方块
                echo -ne `DrawCurBox 1`

                #如果方块一出来就没处放，Game over!
                if ! BoxMove $boxCurY $boxCurX
                then
                        kill -$sigExit ${PPID}
                        ShowExit
                fi
        fi

 

        #清除右边预显示的方块
        for ((j = 0; j < 4; j++))
        do
                ((i = iTop + 1 + j))
                ((t = iLeft + 2 * iTrayWidth + 7))
                echo -ne "33[${i};${t}H        "
        done

        #随机产生新的方块
        ((iBoxNewType = RANDOM % ${#offsetBox[@]}))
        ((iBoxNewRotate = RANDOM % ${countBox[$iBoxNewType]}))
        for ((j = 0, i = (${offsetBox[$iBoxNewType]} + $iBoxNewRotate) * 8; j < 8; j++, i++))
        do
                boxNew[$j]=${box[$i]};
        done

        ((cBoxNew = ${colorTable[RANDOM % ${#colorTable[@]}]}))

        #显示右边预显示的方块
        echo -ne "33[1m33[7m33[3${cBoxNew}m33[4${cBoxNew}m"
        for ((j = 0; j < 8; j += 2))
        do
                ((i = iTop + 1 + ${boxNew[$j]}))
                ((t = iLeft + 2 * iTrayWidth + 7 + 2 * ${boxNew[$j + 1]}))