+ nBobDiameter = XWinAttribs.width / 25;
+ nBobRadius = nBobDiameter / 2;
+ nExtentDelta = nBobRadius / 5.0F;
+#ifdef VERBOSE
+ printf( "Bob Diameter = %d\n", nBobDiameter );
+#endif
+
+ nHalfWidth = ( XWinAttribs.width / 2 ) - nBobRadius;
+ nHalfHeight = ( XWinAttribs.height / 2 ) - nBobRadius;
+ nMaxExtentX = nHalfWidth - nBobRadius;
+ nMaxExtentY = nHalfHeight - nBobRadius;