April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Escala o paralelepípedo de visão no
cubo [-1,1]x[-1,1]x[-1,1]
[S] =
xe
ye
ze
-(r-l)/2
(r-l)/2
-(t-b)/2
(t-b)/2
(f-n)/2
-(f-n)/2
2/(r-l)
0
0
0
0
0
0
1
0
2/(t-b)
0
0
0
0
-2/(f-n)
0
xd
yd
zd
1
1
1
-1
-1
-1
near
far
near
far