EgtGeomKernel :

- migliorie varie a Collision Avoidance di Tools.

HashGrids2d.cpp

@@ -27,7 +27,7 @@ const size_t occupiedCellsVectorSize = 256 ;
 const size_t minimalGridDensity = 8 ; 
 const size_t gridActivationThreshold = 64 ; 
 const double hierarchyFactor = 2 ; 
-const double MIN_CELL_SIZE = 20.0 ;
+const double MIN_CELL_SIZE = 5.0 ;
 
 //----------------------------------------------------------------------------
 //   HashGrid2d
@@ -447,7 +447,7 @@ HashGrid2d::Enlarge( void)
    InitNeighborOffsets() ;
 
    // ... all previously removed objs are reinserted.
-   for ( auto p = PObjVecTemp.begin() ; p < PObjVecTemp.end() ; ++ p) {   
+   for ( auto p = PObjVecTemp.begin() ; p < PObjVecTemp.end() ; ++ p) {
       Add( **p) ;
    }
 }
@@ -657,7 +657,7 @@ HashGrids2d::Find( const BBox3d& b3Test, INTVECTOR& vnIds)
    sort( vnIds.begin(), vnIds.end()) ;
    vnIds.erase( unique( vnIds.begin(), vnIds.end()), vnIds.end()) ;
 
-   return ( vnIds.size() > 0) ;                               
+   return ( vnIds.size() > 0) ;
 }
 
 
@@ -685,7 +685,7 @@ HashGrids2d::addGrid( ObjData& obj)
    obj.box.GetDiameter( size) ;
 
    // If the body is finite in size, it must be assigned to a grid with suitably sized cells.
-   if ( size > 0) {
+   if ( size > - EPS_ZERO) {
 
       size = max( size, MIN_CELL_SIZE) ;
 
@@ -777,6 +777,5 @@ HashGrids2d::addList( ObjData& obj)
    obj.pHGrid = nullptr ;
    obj.nHash = m_nonGridObjs.size() ;
    obj.nCellId = 1 ;
-   m_nonGridObjs.push_back( &obj) ;   
+   m_nonGridObjs.push_back( &obj) ;
 }
-