[root@localhost ~]# vim tanchishe.sh #! /bin/bash #下面是遊戲界面的寬和高 # the width with=42 # the height height=22 #這個是遊戲運行區域 # area area=( 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9 ) #bool false=0 true=1 #貪吃蛇的一些信息 #snake info head=47 tail=45 originPos=(45 46 47) snakeBody=2 snakeFood=3 curPos=(${originPos[*]}) #game logic val speed=0.2 foodPos=50 left=2 right=-2 up=3 down=-3 moveDirection=$right eat=$true #game info side=$$ main=$! #這個是開始時的界面 #start show interface function startShowInterface() { seconds=$1 printf "\e[1;42m" printf "******************************************\n" for ((i=0; i<10; i++)) do printf "* *\n" done printf "*******\e[1;31msnake start after: $seconds seconds\e[0m\e[1;42m*******\n" for ((i=0; i<10; i++)) do printf "* *\n" done printf "******************************************\n" printf "\e[0m" } #start show function startShow() { seconds=1; while [[ $seconds -gt -1 ]]; do clear; startShowInterface $seconds; sleep 1; let seconds--; done } startShow; #這個是遊戲顯示界面 # game main inteface function gameMainInterface { clear; pos=0 echo -e "\e[1;42m" for data in ${area[@]}; do ``case $data in
[9])
printf "\n"
;;
[1])
printf "#"
;;
[0])
printf " "
;;
[$snakeBody])
printf "\e[1;31m"
if [[ $pos = $head ]]; then
printf "@"
else
printf ""
fi
printf "\e[0m\e[1;42m"
;;
[$snakeFood])
printf "\e[1;34m&\e[0m\e[1;42m"
;;
esac
let pos++
done
echo -e "\e[0m"
}
#initinal snake body and pos
function initSnake()
{
for data in ${originPos[@]};
do
area[$data]=$snakeBody
done
}
initSnake;
#繪製貪吃蛇
#draw snake
function drawSnake()
{
for data in ${originPos[@]};
do
area[$data]=0
done
for data in ${curPos[@]};
do
area[$data]=$snakeBody
done
}
#隨機生成食物位置
#generate food
function generateFood()
{
if [[ $eat = $false ]]; then
return
fi
done=$false
while [[ $done = $false ]];
do
newFoodPos=$(( RANDOM%$(( $(( $with-1 ))$(( $height-1 )) )) ))
[[ ${area[$newFoodPos]} = 0 ]] && area[$foodPos]=0 && foodPos=$newFoodPos && (( area[$foodPos]=$snakeFood )) && done=$true && eat=$false
done
}
#貪吃蛇移動的算法，用的一維數組，我也就這樣來實現了
#move
function snakeMove()
{
originPos=(${curPos[]})
length=${#curPos[]}
head=${curPos[$(( $length-1 ))]}
case $moveDirection in
$left)
let head--
[[ $(( $(( $head-2 ))%$with )) -eq 0 ]] && kill -35 $side
;;
$right)
let head++
[[ $(( $head%$with )) -eq 0 ]] && kill -35 $side
;;
$up)
let head=head-with
let head--
[[ $head -lt $with ]] && kill -35 $side
;;
$down)
let head=head+with
let head++
[[ $head -gt $(( $with*$(( $height-1 )) )) ]] && kill -35 $side
;;
esac
if [[ $head -eq $foodPos ]]; then
curPos[length]=$head
eat=$true
else
for ((i=0; i<$((length-1)); i++));
do
curPos[i]=${curPos[$((i+1))]}
done
curPos[$((length-1))]=$head
fi}
#遊戲運行的進程，遊戲主邏輯都在這裏了
#main interface
function mainInterface
{
trap "moveDirection=$left" 36
trap "moveDirection=$right" 37
trap "moveDirection=$up" 38
trap "moveDirection=$down" 39
run=$true
while [[ $run -eq $true ]];
do
generateFood;
snakeMove;
drawSnake;
clear;
gameMainInterface;
sleep $speed
done
}
mainInterface &
main=$!
move snake
function moveDirectionUpdate()
{
if [[ $(( $1+$2 )) -eq 0 || $1 -eq $2 ]];then
return;
fi
case $2 in
$left)
kill -36 $main
;;
$right)
kill -37 $main
;;
$up)
kill -38 $main
;;
$down)
kill -39 $main
;;
esac
}
#監聽上下左右鍵的輸入
#watch input
function watchInput()
{
curDirection=$left
preDirection=$curDirection
while :;
do
read -s -n 1 op;
[[ $op = "q" ]] && kill -9 $! && return;
[[ $op = "A" ]] && preDirection=$curDirection && curDirection=$up && moveDirectionUpdate $preDirection $curDirection;
[[ $op = "B" ]] && preDirection=$curDirection && curDirection=$down && moveDirectionUpdate $preDirection $curDirection;
[[ $op = "C" ]] && preDirection=$curDirection && curDirection=$right && moveDirectionUpdate $preDirection $curDirection;
[[ $op = "D" ]] && preDirection=$curDirection && curDirection=$left && moveDirectionUpdate $preDirection $curDirection;done } watchInput; #game over function gameOver() { kill -9 $main echo "game over." } trap "gameOver" 35 [root@localhost ~]# sh tanchishe.sh //執行腳本
出現這個，那麼恭喜你就可以開始玩了，方向鍵控制方向！