---
name: "identity_quat"
section: "3alleg"
platform: "linux"
package: "liballegro-doc"
version: "2:4.2.2-2.2"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/identity_quat"
---

# identity\_quat(3alleg)

Global variable containing the identity quaternion. Allegro game programming library.

## NAME

identity\_quat - Global variable containing the identity quaternion. Allegro game programming library.

## SYNOPSIS

**#include \<allegro.h\>**

**extern QUAT identity\_quat;**

## DESCRIPTION

Global variable containing the 'do nothing' identity quaternion.  Multiplying by the identity quaternion has no effect.