You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
566 B
Markdown
22 lines
566 B
Markdown
## Inversesqrt
|
|
Return the inverse of the square root of the parameter
|
|
|
|
### Declaration
|
|
```glsl
|
|
float inversesqrt(float x)
|
|
vec2 inversesqrt(vec2 x)
|
|
vec3 inversesqrt(vec3 x)
|
|
vec4 inversesqrt(vec4 x)
|
|
```
|
|
|
|
### Parameters
|
|
```x``` specify the value of which to take the inverse of the square root.
|
|
|
|
### Description
|
|
```inversesqrt()``` returns the inverse of the square root of ```x```.
|
|
|
|
<div class="simpleFunction" data="y = inversesqrt(x); "></div>
|
|
|
|
### See Also
|
|
|
|
[pow](/glossary/?search=pow), [sqrt](/glossary/?search=sqrt), [Chapter 05: Shaping Functions](/05/) |