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Computing a Reflected Ray
NB : ||Rin|| = ||Rout|| = 1
Rin an Rout are unit vector
The projection of
R
in onto
N
is
-N
cos (
q
) so
R
out - Rin =
- 2N
cos(q) = -2N.( N.Rin )
R
out = Rin - 2N(N.Rin)
You can form a losange with Rin and Rout
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VRarchitect
<
ANU lectures
:
Computer Graphics
:
Global Illumination
>
[
Contact
]
[
Links
]
[
Prev. : 30 / 49 : Ray Tracing Architecture
]
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Up
]
[
Next : 32 / 49 : Ray Plane Intersection
]