reflect - HLSL
Microsoft DirectX 9.0 SDK Update (October 2004)

reflect - HLSL


Returns the reflection vector v, given the entering ray direction i, and the surface normal n, as in:

v = i - 2 * dot(i, n) * n

Syntax

ret reflect(i, n)

Where:

NameIn/OutTemplate TypeComponent TypeSize
iinvectorfloatany
ninvectorfloatsame dimension(s) as input i
retoutvectorfloatsame dimension(s) as input i

Minimum Shader Version

This intrinsic function is supported in the following (or above) shader versions:

Vertex ShaderPixel Shader
vs_1_1ps_1_1


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