thebookofshaders/glossary/length/README.md

## Length
Calculate the length of a vector

### Declaration
```glsl
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.

<div class="codeAndCanvas" data="../07/circle-making.frag"></div>

### See Also

[distance()](/glossary/?search=distance), [normalize()](/glossary/?search=normalize), [Chapter 07: Shapes](/07/)
adding and mingling glossary 2015-04-18 14:41:34 +00:00			`## Length`
			`Calculate the length of a vector`

			`### Declaration`
			```glsl
			`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.

			`<div class="codeAndCanvas" data="../07/circle-making.frag"></div>`

			`### See Also`

folder structure for glossary 2016-04-06 15:44:45 +00:00			`[distance()](/glossary/?search=distance), [normalize()](/glossary/?search=normalize), [Chapter 07: Shapes](/07/)`