在Matlab中动态绘制圣诞树

    close all;clear;clc
    % setup
    snow=450;    % number of snow flakes [0 .. 5000]
    % draw tree
    h=0:0.2:25; %vertical grid
    [X,Y,Z] = cylinder(tree(h)); %produce a tree formed cylinder
    Z=Z*25; %scale to the right heigth
    %Add some diffusion to the surface of the tree to make it look more real
    treeDiffusion=rand(126,21)-0.5;%some horizontal diffusion data
    %add diffusion to the grid points
    for cnt1=1:21    
    for cnt2=16:126%starting above the trunk
        %get the angle to always diffuse in direction of the radiu