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thebookofshaders/glossary/length.md
Patricio Gonzalez Vivo c46c6c5d9a adding and mingling glossary
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Length

Calculate the length of a vector

Declaration

float length(float x)  
float length(vec2 x)  
float length(vec3 x)  
float length(vec4 x)

Parameters

x specifies a vector of which to calculate the length.

Description

length() returns the length of the vector.

See Also

distance(), normalize(), Chapter 07: Shapes