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length

Returns the length of the specified floating-point vector.

ret length(x)

 

Parameters

ItemDescription

x

The specified floating-point vector.

 

Return Value

A floating-point scalar that represents the length of the x parameter.

Type Description

Name Template Type Component Type Size
xvector float any
retscalar float 1

 

Minimum Shader Model

This function is supported in the following shader models.

Shader ModelSupported
Shader Model 2 (DirectX HLSL) and higher shader modelsyes
Shader Model 1 (DirectX HLSL) yes (vs_1_1 only)

 

See also

Intrinsic Functions (DirectX HLSL)

 

 

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