| Geant4 Cross Reference |
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25 //
26 // class G4TouchableHistory Implementation
27 //
28 // Created: Paul Kent, August 1996
29 // ----------------------------------------------------------------------
30
31 #include "G4TouchableHistory.hh"
32
33 G4Allocator<G4TouchableHistory>*& aTouchableHistoryAllocator()
34 {
35 G4ThreadLocalStatic G4Allocator<G4TouchableHistory>* _instance = nullptr;
36 return _instance;
37 }
38
39 G4TouchableHistory::G4TouchableHistory()
40 : ftlate(G4ThreeVector(0.,0.,0.))
41
42 {
43 fhistory.SetFirstEntry(nullptr);
44 }
45
46 G4TouchableHistory::G4TouchableHistory( const G4NavigationHistory& history )
47 : fhistory(history)
48 {
49 const G4AffineTransform& tf = fhistory.GetTopTransform();
50 ftlate = tf.InverseNetTranslation();
51 frot = tf.InverseNetRotation();
52 }
53
54 G4TouchableHistory::~G4TouchableHistory() = default;
55
56 const G4ThreeVector&
57 G4TouchableHistory::GetTranslation(G4int depth) const
58 {
59 // The value returned will change at the next call
60 // Copy it if you want to use it!
61 //
62 static G4ThreadLocal G4ThreeVector* ctrans = nullptr;
63 if ( ctrans == nullptr ) { ctrans = new G4ThreeVector; }
64 if(depth==0.0)
65 {
66 return ftlate;
67 }
68 else
69 {
70 *ctrans =
71 fhistory.GetTransform(CalculateHistoryIndex(depth)).NetTranslation();
72 return *ctrans;
73 }
74 }
75
76 const G4RotationMatrix*
77 G4TouchableHistory::GetRotation(G4int depth) const
78 {
79 // The value returned will change at the next call
80 // Copy it if you want to use it!
81 //
82 static G4ThreadLocal G4RotationMatrix* rotM = nullptr;
83 if ( rotM == nullptr ) { rotM = new G4RotationMatrix; }
84
85 if(depth==0.0)
86 {
87 return &frot;
88 }
89 else
90 {
91 *rotM = fhistory.GetTransform(CalculateHistoryIndex(depth)).NetRotation();
92 return rotM;
93 }
94 }
95