//-----------------------------------------------------------------------------
// Transforms a point in world space to normalized space
//-----------------------------------------------------------------------------
const Vector & CCollisionProperty::WorldToNormalizedSpace( const Vector &in, Vector *pResult ) const
{
Vector vecCollisionSpace;
WorldToCollisionSpace( in, &vecCollisionSpace );
CollisionToNormalizedSpace( vecCollisionSpace, pResult );
return *pResult;
}
void CCollisionProperty::CalcNearestPoint(const Vector& vecWorldPt, Vector *pVecNearestWorldPt) const
{
Vector localPt, localClosestPt;
WorldToCollisionSpace(vecWorldPt, &localPt);
CalcClosestPointOnAABB(this->m_vecMins.Get(), this->m_vecMaxs.Get(), localPt, localClosestPt);
CollisionToWorldSpace(localClosestPt, pVecNearestWorldPt);
}
//-----------------------------------------------------------------------------
// Computes the nearest point in the OBB to a point specified in world space
//-----------------------------------------------------------------------------
float CCollisionProperty::CalcDistanceFromPoint( const Vector &vecWorldPt ) const
{
// Calculate physics force
Vector localPt, localClosestPt;
WorldToCollisionSpace( vecWorldPt, &localPt );
CalcClosestPointOnAABB( m_vecMins.Get(), m_vecMaxs.Get(), localPt, localClosestPt );
return localPt.DistTo( localClosestPt );
}
//-----------------------------------------------------------------------------
// Computes the nearest point in the OBB to a point specified in world space
//-----------------------------------------------------------------------------
void CCollisionProperty::CalcNearestPoint( const Vector &vecWorldPt, Vector *pVecNearestWorldPt ) const
{
// Calculate physics force
Vector localPt, localClosestPt;
WorldToCollisionSpace( vecWorldPt, &localPt );
CalcClosestPointOnAABB( m_vecMins.Get(), m_vecMaxs.Get(), localPt, localClosestPt );
CollisionToWorldSpace( localClosestPt, pVecNearestWorldPt );
}
//-----------------------------------------------------------------------------
// Is a worldspace point within the bounds of the OBB?
//-----------------------------------------------------------------------------
bool CCollisionProperty::IsPointInBounds( const Vector &vecWorldPt ) const
{
Vector vecLocalSpace;
WorldToCollisionSpace( vecWorldPt, &vecLocalSpace );
return ( ( vecLocalSpace.x >= m_vecMins.Get().x && vecLocalSpace.x <= m_vecMaxs.Get().x ) &&
( vecLocalSpace.y >= m_vecMins.Get().y && vecLocalSpace.y <= m_vecMaxs.Get().y ) &&
( vecLocalSpace.z >= m_vecMins.Get().z && vecLocalSpace.z <= m_vecMaxs.Get().z ) );
}
