说明：  function christmas % Anselm Ivanovas, anselm.ivanovas@student.unisg.ch %Basically just a nice plot for some christmas fun. %3D Plot of a hhristmas tree with some presents and snow %% setup snow=800; % 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
(function christmas % Anselm Ivanovas, anselm.ivanovas@student.unisg.ch %Basically just a nice plot for some christmas fun. %3D Plot of a hhristmas tree with some presents and snow %% setup snow=800; % 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)