Ejemplos de FPoly::IsBackfaced en C++ (Cpp)

Ejemplo n.º 1

Archivo: Polygon.cpp Proyecto: xiangyuan/Unreal4

int32 FPoly::Faces( const FPoly &Test ) const
{
    // Coplanar implies not facing.
    if( IsCoplanar( Test ) )
        return 0;

    // If this poly is frontfaced relative to all of Test's points, they're not facing.
    for( int32 i=0; i<Test.Vertices.Num(); i++ )
    {
        if( !IsBackfaced( Test.Vertices[i] ) )
        {
            // If Test is frontfaced relative to on or more of this poly's points, they're facing.
            for( i=0; i<Vertices.Num(); i++ )
                if( Test.IsBackfaced( Vertices[i] ) )
                    return 1;
            return 0;
        }
    }
    return 0;
}