png 120 120 hw3shadow-triangle.png

sun 0 2 1

sphere 0 .5 -1 0.2
sphere -.3 0 -1.25 0.4
sphere 0 -2 -2.5 1.3

plane 0 1 0 1
plane 0.8 0.6 0 1

xyz .2 -.2 -1.2
xyz .8 .7 -1.1
xyz .6 .1 -1
trif 1 2 3


xyz .8 0 -1.2
xyz 0 .3 -1.1
xyz .4 -.3 -1
trif -1 -2 -3