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glutSpaceballMotionFunc(3GLUT) GLUT glutSpaceballMotionFunc(3GLUT)
NAME
glutSpaceballMotionFunc - sets the Spaceball motion callback for the current window.
SYNTAX
void glutSpaceballMotionFunc(void (*func)(int x, int y, int z));
ARGUMENTS
func The new entry callback function.
DESCRIPTION
glutSpaceballMotionFunc sets the Spaceball motion callback for the current window. The Spaceball
motion callback for a window is called when the window has Spaceball input focus (normally, when the
mouse is in the window) and the user generates Spaceball translations. The x, y, and z callback
parameters indicate the translations along the X, Y, and Z axes. The callback parameters are normal-ized normalized
ized to be within the range of -1000 to 1000 inclusive.
Registering a Spaceball motion callback when a Spaceball device is not available has no effect and is
not an error. In this case, no Spaceball motion callbacks will be generated.
Passing NULL to glutSpaceballMotionFunc disables the generation of Spaceball motion callbacks. When a
new window is created, no Spaceball motion callback is initially registered.
SEE ALSO
glutSpaceballRotateFunc(3G), glutSpaceballButtonFunc(3G), glutMotionFunc(3G), glutTabletMotionFunc(3G), glutJoystick-Func(3G), glutJoystickFunc(3G),
Func(3G), glutDeviceGet(3G)
AUTHOR
Mark J. Kilgard (mjk@nvidia.com)
GLUT 3.7 glutSpaceballMotionFunc(3GLUT)
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