length - HLSL

Returns the length of the vector x.

Syntax

ret length(x)

Where:

Name In/Out Template Type Component Type Size
x in vector float any
ret out scalar float 1

Minimum Shader Version

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

Vertex Shader Pixel Shader
vs_1_1 ps_2_0

See Also

HLSL Intrinsic Functions