shell实现俄罗斯方块脚本

keytest.sh

#!/bin/bash 
 
GetKey() 
{ 
  aKey=(0 0 0) #定义一个数组来保存3个按键 
 
  cESC=`echo -ne "33"` 
  cSpace=`echo -ne "40"` 
 
  while : 
  do 
    read -s -n 1 key #读取一个字符，将读取到的字符保存在key中 
    #echo $key 
    #echo XXX  
 
    aKey[0]=${aKey[1]} #第一个按键 
    aKey[1]=${aKey[2]} #第二个按键 
    aKey[2]=$key    #第三个按键 
 
    if [[ $key == $cESC && ${aKey[1]} == $cESC ]] 
    then 
      MyExit 
    elif [[ ${aKey[0]} == $cESC && ${aKey[1]} == "[" ]] 
    then 
      if [[ $key == "A" ]]; then echo KEYUP 
      elif [[ $key == "B" ]]; then echo KEYDOWN 
      elif [[ $key == "D" ]]; then echo KEYLEFT 
      elif [[ $key == "C" ]]; then echo KEYRIGHT 
      fi 
    fi 
  done 
} 
 
GetKey 

draw.sh

#!/bin/bash 
 
#位置与大小 
marginLeft=8      #边框左边距 
marginTop=6     #边框上边距 
((mapLeft=marginLeft+2))  #棋盘左边距 
((mapTop=$marginTop+1))   #棋盘上边距 
mapWidth=10     #棋盘宽度 
mapHeight=15      #棋盘高度 
 
 
#方块定义，7大类19种样式 
#前8位为方块坐标，后2位为方块刚出现的时候的位置 
box0_0=(0 0 0 1 1 0 1 1 0 4) 
 
box1_0=(0 1 1 1 2 1 3 1 0 3) 
box1_1=(1 0 1 1 1 2 1 3 -1 3) 
 
box2_0=(0 0 1 0 1 1 2 1 0 4) 
box2_1=(0 1 0 2 1 0 1 1 0 3) 
 
box3_0=(0 1 1 0 1 1 2 0 0 4) 
box3_1=(0 0 0 1 1 1 1 2 0 4) 
 
box4_0=(0 2 1 0 1 1 1 2 0 3) 
box4_1=(0 1 1 1 2 1 2 2 0 3) 
box4_2=(1 0 1 1 1 2 2 0 -1 3) 
box4_3=(0 0 0 1 1 1 2 1 0 4) 
 
box5_0=(0 0 1 0 1 1 1 2 0 3) 
box5_1=(0 1 0 2 1 1 2 1 0 3) 
box5_2=(1 0 1 1 1 2 2 2 -1 3) 
box5_3=(0 1 1 1 2 0 2 1 0 4) 
 
box6_0=(0 1 1 0 1 1 1 2 0 3) 
box6_1=(0 1 1 1 1 2 2 1 0 3) 
box6_2=(1 0 1 1 1 2 2 1 -1 3) 
box6_3=(0 1 1 0 1 1 2 1 0 4) 
 
 
#绘制边框 
DrawBorder() 
{ 
  clear 
 
  local i y x1 x2 
  #显示边框 
  echo -ne "33[1m33[32m33[42m" 
 
  ((x1 = marginLeft + 1))       #左边框x坐标 
  ((x2 = x1 + 2 + mapWidth * 2))     #右边框x坐标 
  for ((i = 0; i < mapHeight; i++)) 
  do 
    ((y = i + marginTop + 2)) 
    echo -ne "33[${y};${x1}H||"    #绘制左边框 
    echo -ne "33[${y};${x2}H||"    #绘制右边框 
  done 
 
  ((x1 = marginTop + mapHeight + 2)) 
  for ((i = 0; i < mapWidth + 2; i++)) 
  do 
    ((y = i * 2 + marginLeft + 1)) 
    echo -ne "33[${mapTop};${y}H=="  #绘制上边框 
    echo -ne "33[${x1};${y}H=="    #绘制下边框 
  done 
  echo -ne "33[0m" 
} 
 
DrawBox() 
{ 
  local i x y xPos yPos 
  yPos=${box0_0[8]} 
  xPos=${box0_0[9]} 
  echo -ne "33[1m33[35m33[45m" 
  for ((i = 0; i < 8; i += 2)) 
  do 
    (( y = mapTop + 1 + ${box0_0[$i]} + yPos )) 
    (( x = mapLeft + 1 + 2 * (${box0_0[$i + 1]} + xPos) )) 
    echo -ne "33[${y};${x}H[]" 
  done 
  echo -ne "33[0m" 
} 
 
InitDraw() 
{ 
  clear      #清屏 
  DrawBorder   #绘制边框 
  DrawBox 
  while : 
  do 
    sleep 1 
  done 
} 
 
InitDraw