%exm0753_1.m
clf;shg;clear
[X,Y,Z]=sphere(40);
colormap(jet)																%<3>
figure(1);surf(X,Y,Z);shading interp								%<4>
light ('position',[2,-2,2],'style','local')						%<5>
lighting  phong															%<6>
material([0.5,0.3,0.5,10,0.5])										%<7>
axis square off

figure(2);
hs=surf(X,Y,Z,-Z);shading flat										%<8>
light;lighting flat														%<9>
light('position',[-1,-1,-2],'color','y')							%<10>
light('position',[-1,0.5,1],'style','local','color','w')		%<11>
material([0.4,0.5,0.3,10,0.3])										%<12>
axis square off

disp('按任意鍵，可繼續!')
pause
for k=1:10
   rotate(hs,[0,0,1],15,[0,0,-1])
   MM(:,k)=getframe;
end
movie(MM,20)