Evaluates the visibility condition(s) determined by the VisibilitySegment objects associated with this VisibilityCalculator and returns true (1) if any/all of the VisibilitySegment observers can see their targets and returns false (0) otherwise. The "any/all" condition is determined by the VisibilityCalculator.VisibilityRequirement property.
Timing Precision Mode
This page describes functionality in nanosecond timing precision mode.
Returns 1 if visibility is true, 0 otherwise.