thebookofshaders/glossary/distance.md
2015-04-18 10:41:34 -04:00

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## Distance
Calculate the distance between two points
### Declaration
```glsl
float distance(float p0, float p1)
float distance(vec2 p0, vec2 p1)
float distance(vec3 p0, vec3 p1)
float distance(vec4 p0, vec4 p1)
```
### Parameters
```p0``` specifies the first of two points
```p1``` specifies the second of two points
### Description
```distance()``` returns the distance between the two points ```p0``` and ```p1```.
<div class="codeAndCanvas" data="../07/circle-making.frag"></div>
### See Also
[length()](index.html#length.md), [normalize()](index.html#normalize.md), [Chapter 07: Shapes](../07/)