[Shell]贪吃蛇

小鱼儿 2024-03-31 14:15 16阅读 0赞

MapHeight=19
    MapWidth=17
    SnakeLength=3
    SnakeX=(2 3 4)
    SnakeY=(5 5 5)
    MoveDirection="Right"
    Food=(7 14)
    Map=(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 1 9 
         1 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 1 9 
         1 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 1 9 
         1 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 1 9  
         1 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 1 9  
         1 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 1 9  
         1 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 1 9   
         1 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 1 9 
         1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9)
    
    Show()
    {
    	#Map
    	for Cell in "${Map[@]}"
    	do
    		case ${Cell} in
    			0) printf " "  ;;
    			1) printf "#"  ;;
    			9) printf "\n" ;;
    		esac
    	done
    
    	#Snake
    	for ((i=0;i<${SnakeLength};i++))
    	do
    		tput cup ${SnakeY[i]} ${SnakeX[i]}
    		echo "*"
    	done
    
    	#Food
    	tput cup ${Food[0]} ${Food[1]}
    	echo "0"
    	
    	tput cup 20 0
    }
    
    ArrayMove()
    {
    	for i in $(seq 0 $((SnakeLength-2)))
    	do
    		SnakeX[i]=${SnakeX[i+1]}
    		SnakeY[i]=${SnakeY[i+1]}
    	done
    }
    
    FoodGenerate()
    {
    	Food[1]=$((${RANDOM}%${MapHeight}))
    	Food[0]=$((${RANDOM}%${MapWidth}))
    }
    
    Move()
    {
    	read -n 1 -t 0.2 input
    
    	case $input in
    		"s") MoveDirection="Down" ;;
    		"w") MoveDirection="Up" ;;
    		"a") MoveDirection="Left" ;;
    		"d") MoveDirection="Right" ;;
    	esac
    
    	ArrayMove
    	if [ "$MoveDirection" = "Right" ]; then
    		((++SnakeX[$((SnakeLength-1))]))
    	elif [ "$MoveDirection" = "Left" ]; then
                    ((--SnakeX[$((SnakeLength-1))])) 
    	elif [ "$MoveDirection" = "Up" ]; then
                    ((--SnakeY[$((SnakeLength-1))])) 
    	elif [ "$MoveDirection" = "Down" ]; then
                    ((++SnakeY[$((SnakeLength-1))])) 
    	fi
    
    	if [ ${SnakeX[$((SnakeLength-1))]} -eq ${Food[1]} -a ${SnakeY[$((SnakeLength-1))]} -eq ${Food[0]} ]; then		
    		SnakeX[${SnakeLength}]=${SnakeX[$((SnakeLength-1))]} 
                    SnakeY[${SnakeLength}]=${SnakeY[$((SnakeLength-1))]} 
    		if [ "$MoveDirection" = "Down" ]; then 
    			SnakeY[${SnakeLength}]=${SnakeY[$((SnakeLength-1))]}+1
    		elif [ "$MoveDirection" = "Up" ]; then
                            SnakeY[${SnakeLength}]=${SnakeY[$((SnakeLength-1))]}-1 
    		elif [ "$MoveDirection" = "Right" ]; then
                            SnakeX[${SnakeLength}]=${SnakeX[$((SnakeLength-1))]}+1
    		elif [ "$MoveDirection" = "Left" ]; then
                            SnakeX[${SnakeLength}]=${SnakeX[$((SnakeLength-1))]}-1
    		fi
    		((++SnakeLength))
    		FoodGenerate
    	fi
    }
    
    Main()
    {
    	while true
    	do
    		clear
    		echo "w:up s:down a:left d:right"
    		Show
    		Move
    
    		sleep 0.2
    	done
    }
    
    Main

这个游戏还有些BUG没修复：

比如蛇撞到边界，

蛇自己撞自己等等，

但是可以供学习参考，

运行效果图：

![99599a8e3a5045cabafd6d0c0c5bc9f9.png][]

[99599a8e3a5045cabafd6d0c0c5bc9f9.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/31/18ee3f67624f46ddb57966daa0e16f8f.png