基于Matlab实现抖音小游戏苹果蛇
作者：slandarer
最近抖音上苹果蛇小游戏大火，为了证明MATLAB无所不能，咋能不跟风做一个？文中详细讲解了游戏的实现步骤，感兴趣的小伙伴可以尝试一下
最近抖音上苹果蛇小游戏大火，为了证明MATLAB无所不能，咋能不跟风做一个？于是就有了这一篇。
还是提一句这个小游戏开始玩的心路历程：
第1-5关：？这不就是有重力的贪吃蛇，有任何难度嘛？？
第6关：嗯。。。这个小技巧还是有点意思的
第30关：？？？这绕来绕去的是人出的题目？？
第90关：… …疯了疯了已经疯了
废话不多说看一下MATLAB版的完整代码：
为了方便修改，关卡地图就摆在m文件里，总共写了八关，但是只有代码没有素材包还是运行不了，因此请从文末获取完整压缩包.
function appleSnake
% @author : slandarer
% 公众号 : slandarer随笔
% 知乎 : hikari
% 加载图像数据
MT=load('material.mat');
MT=MT.MT;
SIZE.BASE=size(MT.base.CData,1);
SIZE.EXIT=size(MT.exit.CData,1);
SIZE.STONE=size(MT.stone.CData,1);
SIZE.APPLE=size(MT.apple.CData,1);
SIZE.SNAKE=size(MT.snake1.CData,1);
SIZE.RESTART=size(MT.restart.CData,1);
% 初始化地图及关卡
[fig,ax]=init();
LEVEL=1;
MAP=getMap(LEVEL);
loadMap();
refreshSnake();
text(10,1000,'当前关卡：','FontSize',18,'FontWeight','bold')
LEVEL_HDL=text(270,1000,num2str(LEVEL),'FontSize',18,'FontWeight','bold');
% =========================================================================
set(fig,'KeyPressFcn',@key);
function key(~,event)
dirvec=[0,0];
switch event.Key
case 'uparrow'
dirvec=[-1,0];
[~,colSet]=find(MAP<0);
if all(colSet==colSet(1))
dirvec=[0,0];
end
case 'downarrow',dirvec=[1,0];
case 'rightarrow',dirvec=[0,1];
case 'leftarrow',dirvec=[0,-1];
end
if sum(dirvec)~=0
[hi,hj]=find(MAP==-1);
switch MAP(hi+dirvec(1),hj+dirvec(2))
case 0
MAP(MAP<0)=MAP(MAP<0)-1;
MAP(MAP==min(MAP,[],[1,2]))=0;
MAP(hi+dirvec(1),hj+dirvec(2))=-1;
case 1
case 2
MAP(MAP<0)=MAP(MAP<0)-1;
MAP(MAP==min(MAP,[],[1,2]))=0;
MAP(hi+dirvec(1),hj+dirvec(2))=-1;
refreshSnake()
win();
return;
case 3
MAP(MAP<0)=MAP(MAP<0)-1;
APPLE_HDL=findobj('Tag','APPLE','UserData',[hi+dirvec(1),hj+dirvec(2)]);
MAP(hi+dirvec(1),hj+dirvec(2))=-1;delete(APPLE_HDL);
case 4
if MAP(hi+2*dirvec(1),hj+2*dirvec(2))==0
MAP(MAP<0)=MAP(MAP<0)-1;
MAP(MAP==min(MAP,[],[1,2]))=0;
MAP(hi+dirvec(1),hj+dirvec(2))=-1;
MAP(hi+2*dirvec(1),hj+2*dirvec(2))=4;
STONE_HDL=findobj('Tag','STONE','UserData',[hi+dirvec(1),hj+dirvec(2)]);
STONE_HDL.XData=STONE_HDL.XData+70*dirvec(2);
STONE_HDL.YData=STONE_HDL.YData-70*dirvec(1);
STONE_HDL.UserData=[hi+2*dirvec(1),hj+2*dirvec(2)];
tCol=MAP(:,hj+2*dirvec(2));tCol(60)=1;
nRow=find(tCol~=0&((1:60)'>hi+2*dirvec(1)),1,'first')-1;
STONE_HDL.YData=STONE_HDL.YData-70*(nRow-hi+dirvec(1));
STONE_HDL.UserData=[nRow,hj+2*dirvec(2)];
MAP(hi+2*dirvec(1),hj+2*dirvec(2))=0;
MAP(nRow,hj+2*dirvec(2))=4;
end
end
refreshSnake();pause(.15)
freeFall();
refreshSnake()
end
end
function freeFall()
[rowSet,colSet]=find(MAP<0);
diffmin=inf;
for t=1:length(rowSet)
tCol=MAP(:,colSet(t));
tCol(60)=1;
tRow=find(tCol>0&((1:60)'>rowSet(t)),1,'first');
diffmin=min(diffmin,tRow-rowSet(t));
end
diffmin=diffmin-1;
if diffmin>15
loss(diffmin)
elseif diffmin>0
tMAP=MAP;
for t=1:length(rowSet)
tMAP(rowSet(t),colSet(t))=0;
end
for t=1:length(rowSet)
tMAP(rowSet(t)+diffmin,colSet(t))=MAP(rowSet(t),colSet(t));
end
MAP=tMAP;
end
end
function restart(~,~)
MAP=getMap(LEVEL);
if ~isempty(MAP)
loadMap();
refreshSnake();
LEVEL_HDL.String=num2str(LEVEL);
end
end
function win(~,~)
LEVEL=LEVEL+1;
MAP=getMap(LEVEL);
if ~isempty(MAP)
loadMap();
refreshSnake();
LEVEL_HDL.String=num2str(LEVEL);
else
msgbox('暂无更多关卡')
end
end
function loss(D)
if D>15
for d=1:20
[rowSet,colSet]=find(MAP<0);
tMAP=MAP;
for t=1:length(rowSet)
tMAP(rowSet(t),colSet(t))=0;
end
for t=1:length(rowSet)
tMAP(rowSet(t)+1,colSet(t))=MAP(rowSet(t),colSet(t));
end
MAP=tMAP;
refreshSnake();
pause(.1);
end
end
end
% =========================================================================
function [fig,ax]=init(~,~)
% figure窗口创建及属性设置
fig=figure();
fig.NumberTitle='off';
fig.Position=[250,120,500,500];
fig.MenuBar='none';
fig.Name='apple snake by slandarer';
% axes坐标区域创建及属性设置
ax=gca;hold on
ax.Position=[0 0 1 1];
ax.XTick=[];
ax.YTick=[];
ax.XColor='none';
ax.YColor='none';
ax.XLim=[0,1050];
ax.YLim=[0,1050];
% 绘制背景
image(ax,ax.XLim,ax.YLim,flipud(MT.background))
image(ax,[-SIZE.RESTART/2,SIZE.RESTART/2]+60,...
[-SIZE.RESTART/2,SIZE.RESTART/2]+900,...
flipud(MT.restart.CData),...
'AlphaData',flipud(MT.restart.AlpData),...
'ButtonDownFcn',@restart)
end
function map=getMap(level)
% 地图大小15x15
% 空气 : 0
% 土块 : 1
% 蛇头 : -1,蛇身数值依次递减
% 终点 : 2
% 苹果 : 3
% 石块 : 4
Map{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 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 3 0 0 0 0 0 0 0
0 0 -2 -1 0 0 0 0 0 0 0 2 0 0 0
0 0 -3 1 1 1 0 0 0 1 1 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 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0];
Map{2}=[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 2 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 -3 -2 -1 0 0 0 0 0 0 0 0 0 0
0 0 1 1 1 0 1 1 1 0 1 0 0 0 0
0 0 0 0 1 0 0 3 0 0 1 0 0 0 0
0 0 0 0 1 0 1 1 1 0 1 0 0 0 0
0 0 0 0 1 1 1 0 1 0 1 0 0 0 0
0 0 0 0 0 0 0 0 1 1 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 0 0 0 0 0 0 0 0 0];
Map{3}=[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 -3 -2 -1 0 0 0 0 0 0 2 0 0 0
0 0 1 1 1 1 0 0 0 0 0 1 0 0 0
0 0 1 0 0 1 0 0 0 0 0 1 0 0 0
0 0 1 0 0 0 0 3 0 0 0 1 0 0 0
0 0 1 1 1 1 0 0 0 1 1 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 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0];
Map{4}=[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 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 0 0 1 1 0 0 0 0 0
0 0 0 0 0 1 0 0 0 0 0 0 0 0 0
0 0 0 0 0 1 0 3 0 1 0 0 0 0 0
0 0 -3 -2 -1 0 0 0 0 0 0 0 0 0 0
0 0 1 1 1 1 1 0 0 0 1 1 1 1 0
0 0 0 0 0 0 0 0 0 0 0 0 0 2 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0];
Map{5}=[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 2 0 0 0
0 0 0 0 0 0 0 1 1 1 1 1 0 0 0
0 0 0 0 0 0 0 1 3 0 1 0 0 0 0
0 0 0 -2 -1 0 0 0 0 0 1 0 0 0 0
0 0 0 -3 1 1 1 1 0 0 1 0 0 0 0
0 0 0 0 0 0 0 1 1 1 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 0 0 0 0 0 0 0 0 0];
Map{6}=[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 2 0 0
0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
0 0 0 0 0 0 1 3 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 -3 -2 -1 0 0 0 4 0 0 0 0
0 0 0 0 1 1 1 0 1 1 1 0 0 0 0
0 0 0 0 0 0 1 1 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 0 0 0 0 0 0 0 0 0 0 0];
Map{7}=[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 4 0 0 0 0 0 0 0 0
0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
0 0 0 0 0 0 1 0 0 0 0 0 2 0 0
0 0 0 0 0 0 1 3 0 0 0 0 0 0 0
0 0 0 0 -3 -2 -1 0 0 0 0 0 0 0 0
0 0 0 0 1 1 1 1 1 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 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0];
Map{8}=[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0
0 0 0 0 0 0 4 0 0 0 0 0 0 0 0
0 0 0 0 0 1 3 1 0 0 0 0 0 0 0
0 0 0 0 -2 -1 0 0 0 0 0 0 0 0 0
0 0 0 0 -3 1 1 1 1 1 0 0 0 0 0
0 0 0 0 0 0 2 0 0 0 0 0 0 0 0
0 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 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0];
Map{9}=[];
map=Map{level};
end
function loadMap(~,~)
delete(findobj('Tag','BASE'))
delete(findobj('Tag','EXIT'))
delete(findobj('Tag','APPLE'))
delete(findobj('Tag','STONE'))
% 绘制土块
for i=15:-1:1
for j=15:-1:1
if MAP(i,j)==1
image(ax,70*(j-1)+35+[-SIZE.BASE/2,SIZE.BASE/2],...
70*(16-i)+35+[-SIZE.BASE/2,SIZE.BASE/2],...
flipud(MT.base.CData),...
'alphaData',flipud(MT.base.AlpData),...
'tag','BASE');
end
end
end
% 绘制出口
[ti,tj]=find(MAP==2);
image(ax,70*(tj-1)+35+[-SIZE.EXIT/2,SIZE.EXIT/2],...
70*(16-ti)+35+[-SIZE.EXIT/2,SIZE.EXIT/2],...
flipud(MT.exit.CData),...
'alphaData',flipud(MT.exit.AlpData),...
'tag','EXIT');
% 绘制苹果
[ti,tj]=find(MAP==3);
if ~isempty(ti)
image(ax,70*(tj-1)+35+[-SIZE.APPLE/2,SIZE.APPLE/2],...
70*(16-ti)+35+[-SIZE.APPLE/2,SIZE.APPLE/2],...
flipud(MT.apple.CData),...
'alphaData',flipud(MT.apple.AlpData),...
'tag','APPLE','UserData',[ti,tj]);
end
% 绘制石块
[ti,tj]=find(MAP==4);
if ~isempty(ti)
image(ax,70*(tj-1)+35+[-SIZE.STONE/2,SIZE.STONE/2],...
70*(16-ti)+35+[-SIZE.STONE/2,SIZE.STONE/2],...
flipud(MT.stone.CData),...
'alphaData',flipud(MT.stone.AlpData),...
'tag','STONE','UserData',[ti,tj]);
end
end
function refreshSnake(~,~)
delete(findobj('Tag','SNAKE'))
% 画蛇头
[ti,tj]=find(MAP==-1);
[ti_n,tj_n]=find(MAP==-2);
tSnakeC=MT.snake1.CData;
tSnakeAlp=MT.snake1.AlpData;
if tj_n>tj
tSnakeC=fliplr(tSnakeC);
tSnakeAlp=fliplr(tSnakeAlp);
end
if ti_n>ti
if MAP(ti,tj-1)==1
tSnakeC(:,:,1)=flipud(tSnakeC(end:-1:1,:,1)');
tSnakeC(:,:,2)=flipud(tSnakeC(end:-1:1,:,2)');
tSnakeC(:,:,3)=flipud(tSnakeC(end:-1:1,:,3)');
tSnakeAlp=flipud(tSnakeAlp');
else
tSnakeC(:,:,1)=flipud(tSnakeC(:,:,1)');
tSnakeC(:,:,2)=flipud(tSnakeC(:,:,2)');
tSnakeC(:,:,3)=flipud(tSnakeC(:,:,3)');
tSnakeAlp=flipud(tSnakeAlp');
end
end
if ti_n<ti
if MAP(ti,tj-1)==1
tSnakeC(:,:,1)=tSnakeC(end:-1:1,:,1)';
tSnakeC(:,:,2)=tSnakeC(end:-1:1,:,2)';
tSnakeC(:,:,3)=tSnakeC(end:-1:1,:,3)';
tSnakeAlp=tSnakeAlp';
else
tSnakeC(:,:,1)=tSnakeC(:,:,1)';
tSnakeC(:,:,2)=tSnakeC(:,:,2)';
tSnakeC(:,:,3)=tSnakeC(:,:,3)';
tSnakeAlp=tSnakeAlp';
end
end
image(ax,70*(tj-1)+35+[-SIZE.SNAKE/2,SIZE.SNAKE/2],...
70*(16-ti)+35+[-SIZE.SNAKE/2,SIZE.SNAKE/2],...
flipud(tSnakeC),...
'alphaData',flipud(tSnakeAlp),...
'tag','SNAKE');
[ti,tj]=find(MAP==min(MAP,[],[1,2]));
[ti_l,tj_l]=find(MAP==min(MAP,[],[1,2])+1);
tSnakeC=MT.snake4.CData;
tSnakeAlp=MT.snake4.AlpData;
switch true
case tj_l>tj
case tj_l<tj
tSnakeC=fliplr(tSnakeC);
tSnakeAlp=fliplr(tSnakeAlp);
case ti_l<ti
tSnakeC(:,:,1)=flipud(tSnakeC(:,:,1)');
tSnakeC(:,:,2)=flipud(tSnakeC(:,:,2)');
tSnakeC(:,:,3)=flipud(tSnakeC(:,:,3)');
tSnakeAlp=flipud(tSnakeAlp');
case ti_l>ti
tSnakeC(:,:,1)=tSnakeC(:,:,1)';
tSnakeC(:,:,2)=tSnakeC(:,:,2)';
tSnakeC(:,:,3)=tSnakeC(:,:,3)';
tSnakeAlp=tSnakeAlp';
end
% 画蛇尾
image(ax,70*(tj-1)+35+[-SIZE.SNAKE/2,SIZE.SNAKE/2],...
70*(16-ti)+35+[-SIZE.SNAKE/2,SIZE.SNAKE/2],...
flipud(tSnakeC),...
'alphaData',flipud(tSnakeAlp),...
'tag','SNAKE');
% 画蛇身体
for i=-2:-1:(min(MAP,[],[1,2])+1)
[ti,tj]=find(MAP==i);
[ti_l,tj_l]=find(MAP==i+1);
[ti_n,tj_n]=find(MAP==i-1);
switch true
case ti_l==ti_n
tSnakeC=MT.snake2.CData;
tSnakeAlp=MT.snake2.AlpData;
case tj_l==tj_n
tSnakeC=MT.snake2.CData;
tSnakeAlp=MT.snake2.AlpData;
tSnakeC(:,:,1)=tSnakeC(:,:,1)';
tSnakeC(:,:,2)=tSnakeC(:,:,2)';
tSnakeC(:,:,3)=tSnakeC(:,:,3)';
tSnakeAlp=tSnakeAlp';
case ti_l<ti_n&&tj_l>tj_n&&ti>ti_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
tSnakeC=rot90(tSnakeC,2);
tSnakeAlp=rot90(tSnakeAlp,2);
case ti_l<ti_n&&tj_l>tj_n&&tj<tj_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
case ti_l<ti_n&&tj_l<tj_n&&ti>ti_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
tSnakeC=flipud(tSnakeC);
tSnakeAlp=flipud(tSnakeAlp);
case ti_l<ti_n&&tj_l<tj_n&&tj>tj_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
tSnakeC=fliplr(tSnakeC);
tSnakeAlp=fliplr(tSnakeAlp);
case ti_l>ti_n&&tj_l>tj_n&&ti<ti_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
tSnakeC=fliplr(tSnakeC);
tSnakeAlp=fliplr(tSnakeAlp);
case ti_l>ti_n&&tj_l>tj_n&&tj<tj_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
tSnakeC=flipud(tSnakeC);
tSnakeAlp=flipud(tSnakeAlp);
case ti_l>ti_n&&tj_l<tj_n&&ti<ti_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
case ti_l>ti_n&&tj_l<tj_n&&tj>tj_l
tSnakeC=MT.snake3.CData;
tSnakeAlp=MT.snake3.AlpData;
tSnakeC=rot90(tSnakeC,2);
tSnakeAlp=rot90(tSnakeAlp,2);
end
image(ax,70*(tj-1)+35+[-SIZE.SNAKE/2,SIZE.SNAKE/2],...
70*(16-ti)+35+[-SIZE.SNAKE/2,SIZE.SNAKE/2],...
flipud(tSnakeC),...
'alphaData',flipud(tSnakeAlp),...
'tag','SNAKE');
end
end
end
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