ex2508.m

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%例25-8 光照方法
%Ex25-8 Lighting Method
clear
close all
[x,y]=meshgrid(-1:0.2:1);
z=sin(x*pi)+cos(y*pi);
subplot(2,2,1)
surf(x,y,z)
light('Color','r','Style','infinite','Position',[1 -1 2])
lighting none
title('lighting none')
subplot(2,2,2)
surf(x,y,z)
light('Color','r','Style','infinite','Position',[1 -1 2])
lighting flat
title('lighting flat')
subplot(2,2,3)
surf(x,y,z)
light('Color','r','Style','infinite','Position',[1 -1 2])
lighting gouraud
title('lighting gouraud')
subplot(2,2,4)
surf(x,y,z)
light('Color','r','Style','infinite','Position',[1 -1 2])
lighting phong
title('lighting phong')