#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. i.e., $$ \sqrt{x[0]^2 + x[1]^2 + \dots} $$

#See Also

• distance
• normalize