---
name: "glutMotionFunc"
section: "3"
platform: "linux"
package: "freeglut"
version: "3.8.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/glutMotionFunc"
---

# glutMotionFunc(3)

set the motion and passive motion callbacks respectively for the current window.

## NAME

glutMotionFunc, glutPassiveMotionFunc - set the motion and passive motion callbacks respectively for the current window.

## SYNTAX

```

```

void glutMotionFunc(void (\*func)(int x, int y)); void glutPassiveMotionFunc(void (\*func)(int x, int y));

## ARGUMENTS

- *func*

  The new motion or passive motion callback function.

## DESCRIPTION

glutMotionFunc and glutPassiveMotionFunc set the motion and passive motion callback respectively for the current window. The motion callback for a window is called when the mouse moves within the window while one or more mouse buttons are pressed. The passive motion callback for a window is called when the mouse moves within the window while no mouse buttons are pressed.

The x and y callback parameters indicate the mouse location in window relative coordinates.

Passing NULL to glutMotionFunc or glutPassiveMotionFunc disables the generation of the mouse or passive motion callback respectively.

## SEE ALSO

glutMouseFunc, glutSpaceballMotionFunc, glutTabletMotionFunc

## AUTHOR

Mark J. Kilgard (mjk@nvidia.com)