基于Matlab制作一款简单的龙舟小游戏基于Matlab制作一款简单的龙舟

效果图：
没找到合适的背景就自己画了个，大家如果有更好看的可以换一下。。。

文章图片

步骤
1 创建Axes及图片导入
窗口创建：

Mainfig=figure('units','pixels','position',[50 100 760 400],...'Numbertitle','off','menubar','none','resize','off',...'name','dragonBoat'); axes('parent',Mainfig,'position',[0 0 1 1],...'XLim', [0 760],...'YLim', [0 400],...'NextPlot','add',...'layer','bottom',...'Visible','on',...'YDir','reverse',...'XTick',[], ...'YTick',[]);

图片导入：

[bkg_C,~,~]=imread('river.png'); [boat_C,~,boat_Alp]=imread('boat.png'); [stone_C,~,stone_Alp]=imread('stone.png');

图片素材可以从这里拿哟
2 创建timer函数移动背景

DrawBkgHdl=image([0 760],[0 400],bkg_C); t=0; tempBkg_C=[bkg_C,bkg_C]; fps = 20; game = timer('ExecutionMode', 'FixedRate', 'Period',1/fps, 'TimerFcn', @dragongame); start(game) function dragongame(~,~)t=t+6; modt=mod(t,720); newBkg_C=tempBkg_C(:,1+modt:684+modt,:); set(DrawBkgHdl,'CData',newBkg_C) end

3 绘制石块并移动
其实是5个石块来回变位置，当一个石块位置减小到负数就把数值增加并重新绘制

stonePos=[600; 870; 1140; 1410]; stonePos=[stonePos,randi([90,330],[4,1])]; for i=1:size(stonePos,1)drawStoneHdl(i)=image([stonePos(i,1)-39 stonePos(i,1)+39],[stonePos(i,2)-20 stonePos(i,2)+20],stone_C,'AlphaData',stone_Alp); end function dragongame(~,~)%这里是之前写的背景部分代码%。。。。。。。。。。。%。。。。。。。。。。。stonePos(:,1)=stonePos(:,1)-20/3; stonePos(stonePos(:,1)<0,2)=randi([90,330],[1,1]); stonePos(stonePos(:,1)<0,1)=stonePos(stonePos(:,1)<0,1)+1080; for ii=1:size(stonePos,1)set(drawStoneHdl(ii),'XData',[stonePos(ii,1)-39 stonePos(ii,1)+39],...'YData',[stonePos(ii,2)-20 stonePos(ii,2)+20]); endend

4 绘制船并创建鼠标回调

boatPos=[380,200]; DrawBoatHdl=image([boatPos(1)-75 boatPos(1)+75],[boatPos(2)-50 boatPos(2)+50],boat_C,'AlphaData',boat_Alp); set(gcf,'WindowButtonMotionFcn',@moveBoat,'tag','mov') function moveBoat(~,~)xy=get(gca,'CurrentPoint'); temp_y=xy(1,2); temp_y(temp_y<100)=90; temp_y(temp_y>340)=330; boatPos=[380,temp_y]; set(DrawBoatHdl,'YData',[temp_y-50 temp_y+50]); end

5 碰撞判断函数

function flag=judge(Bpos,Spos)flag1=abs(Bpos(1)-Spos(:,1))<80; flag2=abs((Bpos(2)+35)-Spos(:,2))<30; flag3=flag1&flag2; flag=any(flag3); end

dragongame函数做如下改写

function dragongame(~,~)%这里是之前一大堆代码%。。。。。。。。。。%。。。。。。。。。。%。。。。。。。。。。if judge(boatPos,stonePos)stop(game)set(gcf,'WindowButtonMotionFcn',[]); text(50,200,'游戏结束','FontSize',54,'Color','w','tag','txt')endend

6 完整代码

function dragonBoatMainfig=figure('units','pixels','position',[50 100 760 400],...'Numbertitle','off','menubar','none','resize','off',...'name','dragonBoat'); axes('parent',Mainfig,'position',[0 0 1 1],...'XLim', [0 760],...'YLim', [0 400],...'NextPlot','add',...'layer','bottom',...'Visible','on',...'YDir','reverse',...'XTick',[], ...'YTick',[]); [bkg_C,~,~]=imread('river.png'); [boat_C,~,boat_Alp]=imread('boat.png'); [stone_C,~,stone_Alp]=imread('stone.png'); DrawBkgHdl=image([0 760],[0 400],bkg_C); stonePos=[600; 870; 1140; 1410]; stonePos=[stonePos,randi([90,330],[4,1])]; for i=1:size(stonePos,1)drawStoneHdl(i)=image([stonePos(i,1)-39 stonePos(i,1)+39],[stonePos(i,2)-20 stonePos(i,2)+20],stone_C,'AlphaData',stone_Alp); endboatPos=[380,200]; DrawBoatHdl=image([boatPos(1)-75 boatPos(1)+75],[boatPos(2)-50 boatPos(2)+50],boat_C,'AlphaData',boat_Alp); t=0; tempBkg_C=[bkg_C,bkg_C]; fps = 20; game = timer('ExecutionMode', 'FixedRate', 'Period',1/fps, 'TimerFcn', @dragongame); start(game)text(10,20,['已前进',num2str(t),'米'],'FontSize',14,'Color','w','tag','txt'); set(gcf,'WindowButtonMotionFcn',@moveBoat,'tag','mov')function dragongame(~,~)t=t+6; modt=mod(t,720); newBkg_C=tempBkg_C(:,1+modt:684+modt,:); set(DrawBkgHdl,'CData',newBkg_C) stonePos(:,1)=stonePos(:,1)-20/3; stonePos(stonePos(:,1)<0,2)=randi([90,330],[1,1]); stonePos(stonePos(:,1)<0,1)=stonePos(stonePos(:,1)<0,1)+1080; for ii=1:size(stonePos,1)set(drawStoneHdl(ii),'XData',[stonePos(ii,1)-39 stonePos(ii,1)+39],...'YData',[stonePos(ii,2)-20 stonePos(ii,2)+20]); endset(findobj('tag','txt'),'String',['已前进',num2str(t),'米']); if judge(boatPos,stonePos)stop(game)set(gcf,'WindowButtonMotionFcn',[]); text(50,200,'游戏结束','FontSize',54,'Color','w','tag','txt')endendfunction moveBoat(~,~)xy=get(gca,'CurrentPoint'); temp_y=xy(1,2); temp_y(temp_y<100)=90; temp_y(temp_y>340)=330; boatPos=[380,temp_y]; set(DrawBoatHdl,'YData',[temp_y-50 temp_y+50]); endfunction flag=judge(Bpos,Spos)flag1=abs(Bpos(1)-Spos(:,1))<80; flag2=abs((Bpos(2)+35)-Spos(:,2))<30; flag3=flag1&flag2; flag=any(flag3); endend

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