float DistanceLinePoint(Point2f const &a, Point2f const &b, Point2f const &c,
bool isSegment)
{
if (isSegment)
{
float dot1 = DotProductPoints(a, b, c);
if (dot1 > 0) return DistancePointPoint(b, c);
float dot2 = DotProductPoints(b, a, c);
if (dot2 > 0) return DistancePointPoint(a, c);
}
//return fabs(CrossProductPoints(a, b, c) / DistancePointPoint(a, b));
return CrossProductPoints(a, b, c) / DistancePointPoint(a, b);
}
float DistancePointSphere ( Vector const & V, Sphere const & S )
{
float dist = DistancePointPoint(V,S.getCenter()) - S.getRadius();
if(dist < 0.0f) dist = 0.0f;
return dist;
}
real DistancePointTri ( Vector const & V, Triangle3d const & T )
{
Vector P = ClosestPointTri(V,T);
return DistancePointPoint(P,V);
}
real DistancePointOBox ( Vector const & V, OrientedBox const & B )
{
Vector close = ClosestPointOBox(V,B);
return DistancePointPoint(V,close);
}
real DistancePointYBox ( Vector const & V, YawedBox const & B )
{
Vector close = ClosestPointYBox(V,B);
return DistancePointPoint(V,close);
}
real DistancePointABox ( Vector const & V, AxialBox const & B )
{
Vector close = ClosestPointABox(V,B);
return DistancePointPoint(V,close);
}
real DistancePointCylinder ( Vector const & V, Cylinder const & C )
{
Vector close = ClosestPointCylinder(V,C);
return DistancePointPoint(V,close);
}
real DistancePointPoly ( Vector const & V, VertexList const & vertices )
{
Vector P = ClosestPointPoly(V,vertices);
return DistancePointPoint(P,V);
}
