## Normalize

Calculate the unit vector in the same direction as the input vector

### Declaration

```
float normalize(float x)
vec2 normalize(vec2 x)
vec3 normalize(vec3 x)
vec4 normalize(vec4 x)
```

### Parameters

`x`

specifies the vector to normalize.

### Description

`normalize()`

returns a vector with the same direction as its parameter, `x`

, but with length 1.