manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Corrected small bugs on rotating after scaling+translating 

changed void PlaneMode::Apply and void SphereMode::Apply
This commit is contained in:
Paolo Cignoni 2006-01-12 15:40:05 +00:00
parent e7b6fd9b9f
commit 1cb45963f9
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
wrap/gui/trackmode.cpp
View File

@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.14 2005/07/15 16:39:30 callieri
in SphereMode::Hit added a check on the sphere intersection, if no intersection, calculating distance could generate a NAN exception
Revision 1.13 2005/06/29 15:22:26 callieri
changed the name of some intersection functions to avoid ambiguity
@ -115,9 +118,10 @@ Point3f TrackMode::HitViewPlane(Trackball *tb, const Point3f &p) {
void SphereMode::Apply(Trackball *tb, Point3f new_point) {
Point3f hitOld=Hit(tb, tb->last_point);
Point3f hitNew=Hit(tb, new_point);
// tb->Hits.push_back(hitNew);
tb->Hits.push_back(hitNew);
Point3f center = tb->track.tra+tb->center;
// Point3f center = tb->track.tra+tb->center; // original 2006 01 12
Point3f center = tb->center;
Point3f axis = (hitNew - center)^(hitOld- center);
// Figure out how much to rotate around that axis.
@ -291,8 +295,8 @@ void PlaneMode::Apply(Trackball *tb, Point3f new_point) {
Point3f hitOld = HitViewPlane(tb, tb->last_point);
Point3f hitNew = HitViewPlane(tb, new_point);
Matrix44f m; tb->track.rot.ToMatrix(m);
tb->track.tra = tb->last_track.tra + Inverse(m)*Point3f(hitNew- hitOld);
//tb->track.tra = tb->last_track.tra + Inverse(m)*Point3f(hitNew- hitOld);// orig 2006 01 12
tb->track.tra = tb->last_track.tra + Inverse(m)*Point3f(hitNew- hitOld)/tb->track.sca;;
}