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thebookofshaders/glossary/floor.md

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Floor

Find the nearest integer less than or equal to the parameter

float floor(float x)  
vec2 floor(vec2 x)  
vec3 floor(vec3 x)  
vec4 floor(vec4 x)

Parameters

x Specify the value to evaluate.

Description

sign() returns a value equal to the nearest integer that is less than or equal to x.

See Also

ceil, trunc, round