Gabriele Cosmo
153 lines
2.8 KiB
Plaintext
153 lines
2.8 KiB
Plaintext
inline void G4CurveRayIntersection::Init(G4Curve& c0, const G4Ray& r0)
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{
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c= &c0;
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r= &r0;
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d= kInfinity;
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notComputed= allFlags;
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}
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inline G4CurveRayIntersection::G4CurveRayIntersection(G4Curve& c0, const G4Ray& r0)
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{
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Init(c0, r0);
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}
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inline G4CurveRayIntersection::G4CurveRayIntersection()
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{
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d= kInfinity;
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}
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//////////////////////////////////////////////////////////////////////////////
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inline const G4Ray& G4CurveRayIntersection::GetRay() const
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{
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return *r;
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}
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//////////////////////////////////////////////////////////////////////////////
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inline void G4CurveRayIntersection::Reset()
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{
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d= +kInfinity;
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notComputed= uFlag|pFlag;
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}
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inline void G4CurveRayIntersection::ResetPPoint(G4double u0)
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{
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d= 0;
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u= u0;
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notComputed= pFlag|dFlag;
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}
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inline void G4CurveRayIntersection::Reset(const G4Point3D& p0)
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{
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d= 0;
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p= p0;
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notComputed= uFlag|dFlag;
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}
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inline void G4CurveRayIntersection::Reset(G4double u0, const G4Point3D& p0)
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{
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d= 0;
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u= u0;
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p= p0;
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notComputed= dFlag;
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}
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inline void G4CurveRayIntersection::ResetDistance(G4double d0)
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{
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d= d0;
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notComputed= uFlag|pFlag;
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}
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inline void G4CurveRayIntersection::Reset(G4double u0, G4double d0)
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{
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d= d0;
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u= u0;
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notComputed= pFlag;
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}
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inline void G4CurveRayIntersection::Reset(const G4Point3D& p0, G4double d0)
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{
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d= d0;
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p= p0;
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notComputed= uFlag;
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}
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inline void G4CurveRayIntersection::Reset(G4double u0, const G4Point3D& p0, G4double d0)
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{
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d= d0;
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u= u0;
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p= p0;
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notComputed= 0;
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}
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//////////////////////////////////////////////////////////////////////////////
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inline G4double G4CurveRayIntersection::GetPPoint()
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{
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if (notComputed & uFlag) {
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if (notComputed & pFlag) {
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p= r->GetPoint(d);
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notComputed &= ~pFlag;
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}
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u= c->GetPPoint(p);
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notComputed &= ~uFlag;
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}
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return u;
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}
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inline const G4Point3D& G4CurveRayIntersection::GetPoint()
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{
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if (notComputed & pFlag) {
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if (notComputed & dFlag) {
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p= c->GetPoint(u);
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} else {
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p= r->GetPoint(d);
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}
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notComputed &= ~pFlag;
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}
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return p;
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}
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inline G4double G4CurveRayIntersection::GetDistance()
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{
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if (notComputed & dFlag) {
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if (notComputed & pFlag) {
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p= c->GetPoint(u);
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notComputed &= ~pFlag;
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}
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d= r->GetPPoint(p);
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notComputed &= ~dFlag;
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}
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return d;
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}
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//////////////////////////////////////////////////////////////////////////////
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inline void G4CurveRayIntersection::UpdateWithPointOnCurve(
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G4CurveRayIntersection& is)
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{
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if (d!=kInfinity) {
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// not the first intersection
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G4double dTmp= is.GetDistance();
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if (dTmp < kCarTolerance || GetDistance() <= dTmp) {
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// not on ray or not the closest intersection
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return;
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}
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}
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// accepted
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*this= is;
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}
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inline void G4CurveRayIntersection::Update(G4CurveRayIntersection& is)
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{
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if (c->IsBounded()) {
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if (!c->IsPOn(is.GetPPoint())) {
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return;
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}
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}
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UpdateWithPointOnCurve(is);
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}
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