ective within range of their &quot;influence&quot; in pixels. </DD>
<DT>
VRCS_CONSTRAIN_TO_HORIZONTAL_AXIS </DT><DD>
This flag signals that the mouse position should be restrained to the horizontal line passing through the reference point.</DD>
<DT>
VRCS_CONSTRAIN_TO_VERTICAL_AXIS</DT><DD>
This flag signals that the mouse position should be restrained to the vertical line passing through the reference point.</DD>
<DT>
VRCS_CONSTRAIN_TO_UNITY_SLOPE_AXIS </DT><DD>
This flag signals that the mouse position sho