llGetCameraFOV

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/LSL

GetCameraAspect

llGetCameraFOV

Summary

Function: float llGetCameraFOV( );

546	Function ID
0.0	Forced Delay
10.0	Energy

Returns a float value for the current camera's field of view (FOV) in radians for which the agent the task has permissions.

To run this function the script must request the PERMISSION_TRACK_CAMERA permission with llRequestPermissions.

Caveats

Permissions

Do not depend upon the auto-grant status of permissions. Always use the run_time_permissions event. If the script lacks the permission PERMISSION_TRACK_CAMERA, the script will shout an error on DEBUG_CHANNEL and the operation fails (but the script continues to run). Once the PERMISSION_TRACK_CAMERA permission is granted there is no way to revoke it except from inside the script (for example, with a new llRequestPermissions call) or the script is reset or deleted.

Returns zero when permissions have not been granted.

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Examples

// say the camera aspect ratio and field of view (FOV)
integer has_perms = FALSE;
default
{
    on_rez(integer a)
    {
        llResetScript();
        has_perms = FALSE;
    }
    state_entry()
    {
        llRequestPermissions(llGetOwner(), PERMISSION_TRACK_CAMERA);
    }
    run_time_permissions(integer permission)
    {
        has_perms = (permission == PERMISSION_TRACK_CAMERA);
    }
    touch_start()
    {
        if (has_perms)
        {
            float aspect = llGetCameraAspect();
            float fov = llGetCameraFOV();
            llOwnerSay("aspect = " + (string)aspect + "  FOV = " + (string)fov);
        }
        else
        {
            llRequestPermissions(llGetOwner(), PERMISSION_TRACK_CAMERA);
        }
    }
}

See Also

Events

•

run_time_permissions

–

Permission receiving event

Functions

•	llGetPermissions	–	Get the permissions granted
•	llGetPermissionsKey	–	Get the agent who granted permissions
•	llRequestPermissions	–	Request permissions
•	llGetCameraAspect
•	llGetCameraPos
•	llGetCameraRot
•	llSetCameraParams
•	llSetCameraAtOffset
•	llSetCameraEyeOffset

Articles

•

Script permissions

Deep Notes

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Signature
function float llGetCameraFOV();