public static float calcScreenArea(BoundingVolume bound, float distance, float screenWidth) {
        return com.jme3.util.AreaUtils.calcScreenArea(bound, distance, screenWidth);
    }
Estimate the screen area of a bounding volume. If the volume isn't a
BoundingSphere, BoundingBox, or OrientedBoundingBox, 0 is returned.

@param bound The bounds to calculate the volume from.
@param distance The distance from camera to object.
@param screenWidth The width of the screen.
@return The area in pixels on the screen of the bounding volume.
jme3-core/src/main/java/com/jme3/scene/control/AreaUtils.java