llGetCameraFOV

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/LSL

GetCameraFOV

llGetCameraFOV

Summary

Function: float llGetCameraFOV( );

0.0	Forced Delay
10.0	Energy

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

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(integer num_touches)
    {
        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

Signature
function float llGetCameraFOV();