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  • 无聊,绘正方体

    clc;
    clear all;
    close all;

    %% 画长方体% --------------xy底面---------------
    x = -10:1:10;
    y = x;
    [x,y]=meshgrid(x,y);
    z = -10*ones(size(x));
    p1 = surf(x,y,z);
    shading interp
    alpha(0.6)
    hold on
    % --------------xz侧面---------------
    x = -10:1:10;
    z = x;
    [x,z]=meshgrid(x,z);
    y = -10*ones(size(x));
    surf(x,y,z);
    shading interp
    alpha(0.6)
    % --------------xz侧面---------------
    x = -10:1:10;
    z = x;
    [x,z]=meshgrid(x,z);
    y = 10*ones(size(x));
    surf(x,y,z);
    shading interp
    alpha(0.6)
    % --------------yz侧面---------------
    y = -10:1:10;
    z = y;
    [y,z]=meshgrid(y,z);
    x = 10*ones(size(y));
    surf(x,y,z);
    shading interp
    alpha(0.6)
    % --------------yz侧面---------------
    y = -10:1:10;
    z = y;
    [y,z]=meshgrid(y,z);
    x = -10*ones(size(y));
    surf(x,y,z);
    shading interp
    alpha(0.6)
    %-----------波面----------------------------------
    x = -10:1:10;
    y = x;
    [x,y]=meshgrid(x,y);
    z = ones(size(x));
    p1 = surf(x,y,z);
    set(p1,'FaceColor','b');
    shading interp
    alpha(0.6)
    hold on
    %-----------鱼粪----------------------------------
    % rand('seed',0);
    x = 10*(2*rand(1,4) - 1);
    y = 10*(2*rand(1,4) - 1);
    z = rand(1,4) - 9;
    plot3(x,y,z,'kh','MarkerFaceColor','k','markersize',12);
    %-----------鱼料---------------------------------
    x = 10*(2*rand(1,4) - 1);
    y = 10*(2*rand(1,4) - 1);
    dx = rand;
    dy = rand;
    z = rand(1,4)-1 ;
    dz = rand;
    plot3([x,x+dx],[y,y+dy],[z,z+dz],'mo','MarkerFaceColor','m','markersize',14);
    %-----------------------小鱼-------------------------
    xx = 10*(2*rand - 1);
    yy = 10*(2*rand - 1);
    zz =-5*rand ;
    p2 =plot3(xx,yy,zz,'ro','MarkerFaceColor','r','markersize',22);
    tem = 1000;
    for i= 1:1000
    dx =unifrnd(-1,1);
    dy = unifrnd(-1,1);
    dz = unifrnd(-1,1);
    temz1 = -9;
    temz2 = -1;
    temx1 = -9;
    temx2 = 9;
    temy1 = -9;
    temy2 = 9;
    if ( zz > temz1)&& (zz < temz2)
    if ( xx> temx1)&& (xx < temx2)
    if ( yy > temy1)&&(yy < temy2)
    xx = xx + dx;
    yy = yy + dy;
    zz = zz + dz;
    set(p2,'xdata',xx,'ydata',yy,'zdata',zz);
    end
    end
    elseif ( zz >temz1)&& (zz < temz2) &&( xx>temx1)&& (xx < temx2)
    xx = xx +dx;
    yy = yy - dy;
    zz = zz +dz;
    set(p2,'xdata',xx,'ydata',yy,'zdata',zz);
    elseif ( zz >temz1)&& (zz < temz2) &&( yy >temy1)&& (yy < temy2)
    xx = xx -dx;
    yy = yy + dy;
    zz = zz +dz;
    set(p2,'xdata',xx,'ydata',yy,'zdata',zz);
    elseif ( xx>temx1)&& (xx < temx2)&&( yy >temy1)&& (yy< temy2)
    xx = xx +dx;
    yy = yy + dy;
    zz = zz -dz;
    set(p2,'xdata',xx,'ydata',yy,'zdata',zz);
    else
    continue
    end
    tem = tem -1;
    pause(0.1)
    drawnow

    end
    % while
    % [y,fs] =audioread('2865a93400.mp3');
    % sound(y, fs);
    % end

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  • 原文地址:https://www.cnblogs.com/Kermit-Li/p/4040320.html
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