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怎么用Matlab制作黄金矿工小游戏

发布时间:2022-03-02 16:49:43 来源:亿速云 阅读:241 作者:iii 栏目:开发技术

本文小编为大家详细介绍“怎么用Matlab制作黄金矿工小游戏”,内容详细,步骤清晰,细节处理妥当,希望这篇“怎么用Matlab制作黄金矿工小游戏”文章能帮助大家解决疑惑,下面跟着小编的思路慢慢深入,一起来学习新知识吧。

    效果

    怎么用Matlab制作黄金矿工小游戏

    怎么用Matlab制作黄金矿工小游戏

    步骤

    图片准备

    本文所使用图片在这

    背景构建

    function goldMiner
    Mainfig=figure('units','pixels','position',[50 100 750 500],...
                           'Numbertitle','off','menubar','none','resize','off',...
                           'name','goldMiner');
    axes('parent',Mainfig,'position',[0 0 1 1],...
       'XLim', [0 750],...
       'YLim', [0 500],...
       'NextPlot','add',...
       'layer','bottom',...
       'Visible','on',...
       'YDir','reverse',...
       'XTick',[], ...
       'YTick',[]);
    
    bkgPic=imread('.\pic\bkg.png');
    image([0,750],[0,500],bkgPic)
    
    [manPic,~,manAlp]=imread('.\pic\man.png');
    image([400-60,400+60],[49.5-45,49.5+45],manPic,'AlphaData',manAlp)

    怎么用Matlab制作黄金矿工小游戏

    绘制爪子

    由于爪子要不断调整角度因此用surface格式绘制,我们需要将爪子图片矩阵范围调整至[0,1],并将透明处数值调成nan

    [clawPic,~,clawAlp]=imread('.\Pic\claw.png');
    clawPic=double(clawPic)./255;
    clawPicR=clawPic(:,:,1);
    clawPicG=clawPic(:,:,2);
    clawPicB=clawPic(:,:,3);
    clawPicR(clawAlp<1)=nan;
    clawPicG(clawAlp<1)=nan;
    clawPicB(clawAlp<1)=nan;
    clawPic(:,:,1)=clawPicR;
    clawPic(:,:,2)=clawPicG;
    clawPic(:,:,3)=clawPicB;
    
    clawPos=[380,75];
    ropePos=[380,75];
    
    [xgrid,ygrid]=meshgrid((1:size(clawAlp,2))./2,(1:size(clawAlp,1))./2);
    xgrid=xgrid-size(clawAlp,2)/4;
    
    thetaList=linspace(-2*pi/5,2*pi/5,50);
    thetaIndex=1;
    theta=thetaList(thetaIndex);%当前爪子转动角度
    v=0;%爪子下移速度
    dir=1;%1或-1爪子转动方向
    grabbing=false;%是否正在抓取石块
    
    cost=cos(theta);
    sint=sin(theta);
    rotateX=cost.*xgrid+sint.*ygrid;
    rotateY=cost.*ygrid-sint.*xgrid;
    
    drawClawHdl=surface(rotateX+clawPos(1),rotateY+clawPos(2),...
                zeros(size(clawAlp)),clawPic,...
                'EdgeColor','none');
    drawLineHdl=plot([clawPos(1),ropePos(1)],[clawPos(2),ropePos(2)],'k','LineWidth',2);

    让爪子转起来

    爪子旋转就是单纯的使用旋转矩阵:

    怎么用Matlab制作黄金矿工小游戏

    fps=20;
    game=timer('ExecutionMode', 'FixedRate', 'Period',1/fps, 'TimerFcn', @minergame);
    start(game)
    
        function minergame(~,~)
            if ~grabbing
                switch 1
                    case thetaIndex==1,dir=1;
                    case thetaIndex==50,dir=-1;
                end
                thetaIndex=thetaIndex+dir;
                theta=thetaList(thetaIndex);
                cost=cos(theta);
                sint=sin(theta);
                rotateX=cost.*xgrid+sint.*ygrid;
                rotateY=cost.*ygrid-sint.*xgrid;
            else
            end
        end

    怎么用Matlab制作黄金矿工小游戏

    绘制石块

    stoneName={'gold','gold','stone1','stone2','diamond'};
    stonePic{length(stoneName)}=[];
    stoneAlp{length(stoneName)}=[];
    for i=1:length(stoneName)
        [C,~,Alp]=imread(['.\pic\',stoneName{i},'.png']);
        stonePic{i}=C;
        stoneAlp{i}=Alp;
    end
    stoneV=[-2,-3,-3,-3,-5];%拿起石头后爪子移动速度
    stonePrice=[800,500,200,100,1000];
    stoneSize=[50,50;30,30;24,20;15,12;8,8];
    
    
    stonePos=[200,300;400,350;500,200;50,240;50,300;
              700,420;170,180];
    stoneType=[1,2,3,4,5,1,2];
    stoneTag=1:length(stoneType);
    stoneXrange=[stonePos(:,1)-stoneSize(stoneType',1),stonePos(:,1)+stoneSize(stoneType',1)];
    stoneYrange=[stonePos(:,2)-stoneSize(stoneType',2),stonePos(:,2)+stoneSize(stoneType',2)];
    
    for i=1:length(stoneTag)
        drawStone(stonePos(i,:),stoneType(i),stoneTag(i))   
    end
    
        function drawStone(pos,i,j)
            image([-stoneSize(i,1),stoneSize(i,1)]+pos(1),...
                  [-stoneSize(i,2),stoneSize(i,2)]+pos(2),...
                  stonePic{i},...
                  'AlphaData',stoneAlp{i},...
                  'UserData',j)  
        end

    怎么用Matlab制作黄金矿工小游戏

    点击下箭头移动爪子

    set(gcf, 'KeyPressFcn', @key)
    
    	function key(~,event)
            switch event.Key
                case 'downarrow'
                    grabbing=true;v=4;
            end
        end
    
    function minergame(~,~)
            if ~grabbing
                %这里是让爪子转动的一堆代码
                %。。。。。。。。。。。。。
                %。。。。。。。。。。。。。
            else
                cost=cos(theta);
                sint=sin(theta);
                clawPos=clawPos+[sint,cost].*v;
            end
            set(drawClawHdl,'XData',rotateX+clawPos(1),'YData',rotateY+clawPos(2));
            set(drawLineHdl,'XData',[clawPos(1),ropePos(1)],'YData',[clawPos(2),ropePos(2)]);
        end

    怎么用Matlab制作黄金矿工小游戏

    爪子与石头和边缘碰触判断

    function n=touchThing(clawPos)
            n=0;
            if clawPos(1)<20||clawPos(1)>730||clawPos(2)>480
                n=-1;     
            end
            flagX=clawPos(1)>=stoneXrange(:,1)&clawPos(1)<=stoneXrange(:,2);
            flagY=clawPos(2)>=stoneYrange(:,1)&clawPos(2)<=stoneYrange(:,2);
            flagXY=flagX&flagY;
            if any(flagXY)
                n=find(flagXY);
            end
        end

    抓取石块和显示金钱

    holdOnType=0;
    drawHoldOnHdl=image([0,1],[0,1],ones(1,1),'AlphaData',zeros(1,1));
    
    text(10,40,'Money:','FontSize',20,'Color',[1 1 1],'FontName','Cambria','FontWeight','bold')
    money=0;
    moneyStrHdl=text(110,40,'$0','FontSize',20,'Color',[0.5137 0.7882 0.2157],'FontName','Cambria','FontWeight','bold');    
    
    	function minergame(~,~)
            if ~grabbing
                switch 1
                    case thetaIndex==1,dir=1;
                    case thetaIndex==50,dir=-1;
                end
                thetaIndex=thetaIndex+dir;
                theta=thetaList(thetaIndex);
                cost=cos(theta);
                sint=sin(theta);
                rotateX=cost.*xgrid+sint.*ygrid;
                rotateY=cost.*ygrid-sint.*xgrid;
            else
                cost=cos(theta);
                sint=sin(theta);
                clawPos=clawPos+[sint,cost].*v;
                
                n=touchThing(clawPos+5.*[sint,cost]);
                if n==-1
                    v=-abs(v);
                elseif n>0
                    delete(findobj('UserData',stoneTag(n)));
                    v=stoneV(stoneType(n));
                    holdOnType=stoneType(n);
                    stonePos(n,:)=[];
                    stoneType(n)=[];
                    stoneTag(n)=[];
                    stoneXrange(n,:)=[];
                    stoneYrange(n,:)=[];
                    set(drawHoldOnHdl,...
                        'XData',[-stoneSize(holdOnType,1),stoneSize(holdOnType,1)]+clawPos(1)+norm(stoneSize(holdOnType,:))*sint,...
                        'YData',[-stoneSize(holdOnType,2),stoneSize(holdOnType,2)]+clawPos(2)+norm(stoneSize(holdOnType,:))*cost,...
                        'CData',stonePic{holdOnType},'AlphaData',stoneAlp{holdOnType});
                end  
                
                if clawPos(2)<=ropePos(2)
                    clawPos=ropePos;
                    grabbing=false;
                    if holdOnType>0
                        money=money+stonePrice(holdOnType);
                        set(moneyStrHdl,'String',['$',num2str(money)])
                    end
                    holdOnType=0;
                    set(drawHoldOnHdl,'XData',[0,1],...
                                      'YData',[0,1],...
                                      'CData',ones(1,1),...
                                      'AlphaData',zeros(1,1));                  
                end
                if holdOnType~=0
                    set(drawHoldOnHdl,...
                        'XData',[-stoneSize(holdOnType,1),stoneSize(holdOnType,1)]+clawPos(1)+norm(stoneSize(holdOnType,:))*sint,...
                        'YData',[-stoneSize(holdOnType,2),stoneSize(holdOnType,2)]+clawPos(2)+norm(stoneSize(holdOnType,:))*cost);
                end
            end
            
            
            set(drawClawHdl,'XData',rotateX+clawPos(1),'YData',rotateY+clawPos(2));
            set(drawLineHdl,'XData',[clawPos(1),ropePos(1)],'YData',[clawPos(2),ropePos(2)]);
        end

    怎么用Matlab制作黄金矿工小游戏

    完整代码

    function goldMiner
    Mainfig=figure('units','pixels','position',[50 100 750 500],...
                           'Numbertitle','off','menubar','none','resize','off',...
                           'name','goldMiner');
    axes('parent',Mainfig,'position',[0 0 1 1],...
       'XLim', [0 750],...
       'YLim', [0 500],...
       'NextPlot','add',...
       'layer','bottom',...
       'Visible','on',...
       'YDir','reverse',...
       'XTick',[], ...
       'YTick',[]);
    
    bkgPic=imread('.\pic\bkg.png');
    image([0,750],[0,500],bkgPic)
    
    [manPic,~,manAlp]=imread('.\pic\man.png');
    image([400-60,400+60],[49.5-45,49.5+45],manPic,'AlphaData',manAlp)
    
    [clawPic,~,clawAlp]=imread('.\Pic\claw.png');
    clawPic=double(clawPic)./255;
    clawPicR=clawPic(:,:,1);
    clawPicG=clawPic(:,:,2);
    clawPicB=clawPic(:,:,3);
    clawPicR(clawAlp<1)=nan;
    clawPicG(clawAlp<1)=nan;
    clawPicB(clawAlp<1)=nan;
    clawPic(:,:,1)=clawPicR;
    clawPic(:,:,2)=clawPicG;
    clawPic(:,:,3)=clawPicB;
    
    clawPos=[380,75];
    ropePos=[380,75];
    
    [xgrid,ygrid]=meshgrid((1:size(clawAlp,2))./2,(1:size(clawAlp,1))./2);
    xgrid=xgrid-size(clawAlp,2)/4;
    
    thetaList=linspace(-2*pi/5,2*pi/5,50);
    thetaIndex=1;
    theta=thetaList(thetaIndex);v=0;
    dir=1;grabbing=false;
    
    cost=cos(theta);
    sint=sin(theta);
    rotateX=cost.*xgrid+sint.*ygrid;
    rotateY=cost.*ygrid-sint.*xgrid;
    
    drawClawHdl=surface(rotateX+clawPos(1),rotateY+clawPos(2),...
                zeros(size(clawAlp)),clawPic,...
                'EdgeColor','none');
    drawLineHdl=plot([clawPos(1),ropePos(1)],[clawPos(2),ropePos(2)],'k','LineWidth',2);
    %stone part======================================================
    stoneName={'gold','gold','stone1','stone2','diamond'};
    stonePic{length(stoneName)}=[];
    stoneAlp{length(stoneName)}=[];
    for i=1:length(stoneName)
        [C,~,Alp]=imread(['.\pic\',stoneName{i},'.png']);
        stonePic{i}=C;
        stoneAlp{i}=Alp;
    end
    stoneV=[-2,-3,-3,-3,-5];
    stonePrice=[800,500,200,100,1000];
    stoneSize=[50,50;30,30;24,20;15,12;8,8];
    
    
    stonePos=[200,300;400,350;500,200;50,240;50,300;
              700,420;170,180];
    stoneType=[1,2,3,4,5,1,2];
    stoneTag=1:length(stoneType);
    stoneXrange=[stonePos(:,1)-stoneSize(stoneType',1),stonePos(:,1)+stoneSize(stoneType',1)];
    stoneYrange=[stonePos(:,2)-stoneSize(stoneType',2),stonePos(:,2)+stoneSize(stoneType',2)];
    
    for i=1:length(stoneTag)
        drawStone(stonePos(i,:),stoneType(i),stoneTag(i))   
    end
    
        function drawStone(pos,i,j)
            image([-stoneSize(i,1),stoneSize(i,1)]+pos(1),...
                  [-stoneSize(i,2),stoneSize(i,2)]+pos(2),...
                  stonePic{i},...
                  'AlphaData',stoneAlp{i},...
                  'UserData',j)  
        end
    
    holdOnType=0;
    drawHoldOnHdl=image([0,1],[0,1],ones(1,1),'AlphaData',zeros(1,1));
    
    text(10,40,'Money:','FontSize',20,'Color',[1 1 1],'FontName','Cambria','FontWeight','bold')
    money=0;
    moneyStrHdl=text(110,40,'$0','FontSize',20,'Color',[0.5137 0.7882 0.2157],'FontName','Cambria','FontWeight','bold');
    
    %==========================================================================    
    set(gcf, 'KeyPressFcn', @key)
    fps=20;
    game=timer('ExecutionMode', 'FixedRate', 'Period',1/fps, 'TimerFcn', @minergame);
    start(game)
    
        function minergame(~,~)
            if ~grabbing
                switch 1
                    case thetaIndex==1,dir=1;
                    case thetaIndex==50,dir=-1;
                end
                thetaIndex=thetaIndex+dir;
                theta=thetaList(thetaIndex);
                cost=cos(theta);
                sint=sin(theta);
                rotateX=cost.*xgrid+sint.*ygrid;
                rotateY=cost.*ygrid-sint.*xgrid;
            else
                cost=cos(theta);
                sint=sin(theta);
                clawPos=clawPos+[sint,cost].*v;
                
                n=touchThing(clawPos+5.*[sint,cost]);
                if n==-1
                    v=-abs(v);
                elseif n>0
                    delete(findobj('UserData',stoneTag(n)));
                    v=stoneV(stoneType(n));
                    holdOnType=stoneType(n);
                    stonePos(n,:)=[];
                    stoneType(n)=[];
                    stoneTag(n)=[];
                    stoneXrange(n,:)=[];
                    stoneYrange(n,:)=[];
                    set(drawHoldOnHdl,...
                        'XData',[-stoneSize(holdOnType,1),stoneSize(holdOnType,1)]+clawPos(1)+norm(stoneSize(holdOnType,:))*sint,...
                        'YData',[-stoneSize(holdOnType,2),stoneSize(holdOnType,2)]+clawPos(2)+norm(stoneSize(holdOnType,:))*cost,...
                        'CData',stonePic{holdOnType},'AlphaData',stoneAlp{holdOnType});
                end  
                
                if clawPos(2)<=ropePos(2)
                    clawPos=ropePos;
                    grabbing=false;
                    if holdOnType>0
                        money=money+stonePrice(holdOnType);
                        set(moneyStrHdl,'String',['$',num2str(money)])
                    end
                    holdOnType=0;
                    set(drawHoldOnHdl,'XData',[0,1],...
                                      'YData',[0,1],...
                                      'CData',ones(1,1),...
                                      'AlphaData',zeros(1,1));                  
                end
                if holdOnType~=0
                    set(drawHoldOnHdl,...
                        'XData',[-stoneSize(holdOnType,1),stoneSize(holdOnType,1)]+clawPos(1)+norm(stoneSize(holdOnType,:))*sint,...
                        'YData',[-stoneSize(holdOnType,2),stoneSize(holdOnType,2)]+clawPos(2)+norm(stoneSize(holdOnType,:))*cost);
                end
            end
            
            
            set(drawClawHdl,'XData',rotateX+clawPos(1),'YData',rotateY+clawPos(2));
            set(drawLineHdl,'XData',[clawPos(1),ropePos(1)],'YData',[clawPos(2),ropePos(2)]);
        end
    
        function n=touchThing(clawPos)
            n=0;
            if clawPos(1)<20||clawPos(1)>730||clawPos(2)>480
                n=-1;     
            end
            flagX=clawPos(1)>=stoneXrange(:,1)&clawPos(1)<=stoneXrange(:,2);
            flagY=clawPos(2)>=stoneYrange(:,1)&clawPos(2)<=stoneYrange(:,2);
            flagXY=flagX&flagY;
            if any(flagXY)
                n=find(flagXY);
            end
        end
    
        function key(~,event)
            switch event.Key
                case 'downarrow'
                    grabbing=true;v=4;
            end
        end
    end

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