Halloween

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SHRABASTI
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Halloween
on 11 Oct 2024
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Hallo Cite your audio source here (if applicable):
drawframe(1);
Write your drawframe function below
function drawframe(f)
    n=5;r=0.15;bF=10;h=0.4;aL=0.3;lL=0.4;fc=[1,1,0];ec=[0,0,0];mc=[1,0,0];
    dMin=0.5;dN=50;dC=rand(dN,3);dS=30;
    clf;
    persistent p mv;
    if isempty(p)
        p=genPos(n,dMin);
        mv=randn(n,2)*0.01;
    end
    for i=1:n
        p(i,:)=p(i,:)+mv(i,:);
        if p(i,1)>1.5||p(i,1)<-1.5, mv(i,1)=-mv(i,1);end
        if p(i,2)>1.5||p(i,2)<-2, mv(i,2)=-mv(i,2);end
    end
    p=enforceMinDist(p,dMin);
    hold on;
    for i=1:dN
        dx=rand*3-1.5;dy=rand*3-2;alpha=abs(sin(f*pi/20+i));
        scatter(dx,dy,dS,dC(i,:),'filled','MarkerFaceAlpha',alpha);
    end
    for i=1:n
        theta=linspace(0,2*pi,6);
        x=r*cos(theta)+p(i,1);y=r*sin(theta)+p(i,2);
        fill(x,y,fc,'EdgeColor','none');
        plot([p(i,1),p(i,1)], [p(i,2)-r,p(i,2)-r-h],'Color',fc,'LineWidth',3);
        plot([p(i,1)-0.05,p(i,1)-lL],[p(i,2)-r-h,p(i,2)-r-h+sin(f*pi/6)*0.1],'w','LineWidth',2);
        plot([p(i,1)+0.05,p(i,1)+lL],[p(i,2)-r-h,p(i,2)-r-h+sin(f*pi/6)*0.1],'w','LineWidth',2);
        hy=p(i,2)-r-h/2;
        plot([p(i,1)-aL/2,p(i,1)-aL],[hy,hy+sin(f*pi/6)*0.1],'w','LineWidth',2);
        plot([p(i,1)+aL/2,p(i,1)+aL],[hy,hy+sin(f*pi/6)*0.1],'w','LineWidth',2);
        ex=r*0.4;ey=r*0.2;eLx=p(i,1)-ex;eRx=p(i,1)+ex;eY=p(i,2)+ey;
        if mod(f,bF)<bF/2
            scatter(eLx,eY,100,ec,'filled');
            scatter(eRx,eY,100,ec,'filled');
        else
            plot([eLx-0.02,eLx+0.02],[eY,eY],'k','LineWidth',2);
            plot([eRx-0.02,eRx+0.02],[eY,eY],'k','LineWidth',2);
        end
        mx=linspace(-0.05,0.05,10)+p(i,1);
        my=ones(1,10)*(p(i,2)-0.1);
        plot(mx,my,'Color',mc,'LineWidth',2);
    end
    axis([-1.5 1.5 -2 1.5]);set(gca,'Color','k','XTick',[],'YTick',[]);hold off;
end
function p=genPos(n,dMin)
    p=zeros(n,2);
    for i=1:n
        while true
            newP=rand(1,2)*2-1;
            if i==1||all(sqrt(sum((p(1:i-1,:)-newP).^2,2))>dMin)
                p(i,:)=newP;break;
            end
        end
    end
end
function p=enforceMinDist(p,dMin)
    n=size(p,1);
    for i=1:n
        for j=i+1:n
            d=sqrt(sum((p(i,:)-p(j,:)).^2));
            if d<dMin
                dir=(p(i,:)-p(j,:))/d;
                adj=(dMin-d)/2*dir;
                p(i,:)=p(i,:)+adj;p(j,:)=p(j,:)-adj;
            end
        end
    end
end
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