VisibilityRegion::PolygonVisible

Defined in: C4Regions.h

Determines whether polygon is visible in a region.

Prototype

bool PolygonVisible(int32 vertexCount, const Point3D *vertex) const;

Parameters

`vertexCount`	The number of vertices in the polygon.
`vertex`	A pointer to an array containing the polygon's world-space vertex positions.

Description

The PolygonVisible function determines whether the polygon specified by the vertexCount and vertex parameters is visible inside a region. If all of the vertex positions fall completely on the negative side of any single plane bounding the region, then the return value is false. Otherwise, the return value is true.