thebookofshaders/glossary/floor/README.md
2017-08-23 11:34:44 +02:00

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## Floor
Find the nearest integer less than or equal to the parameter
### Declaration
```glsl
float floor(float x)
vec2 floor(vec2 x)
vec3 floor(vec3 x)
vec4 floor(vec4 x)
```
### Parameters
```x``` specify the value to evaluate.
### Description
```floor()``` returns a value equal to the nearest integer that is less than or equal to ```x```.
<div class="simpleFunction" data="y = floor(x); "></div>
### See Also
[ceil](/glossary/?search=ceil), [fract](/glossary/?search=fract), [mod](/glossary/?search=mod), [Chapter 05: Shaping Functions](/05/)