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Added Scaling

This commit is contained in:
Paolo Cignoni 2004-07-18 06:54:08 +00:00
parent 34ac04a21b
commit 4857d01a44
2 changed files with 15 additions and 3 deletions
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13
wrap/gui/trackmode.cpp
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@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.7 2004/07/11 22:06:56 cignoni
Added scaling by wheel
Revision 1.6 2004/06/09 14:01:13 cignoni Revision 1.6 2004/06/09 14:01:13 cignoni
Heavily restructured. To be completed only rotation works... Heavily restructured. To be completed only rotation works...
@ -48,14 +51,20 @@ Adding copyright.
#include <vcg/space/intersection3.h> #include <vcg/space/intersection3.h>
#include <vcg/math/similarity.h> #include <vcg/math/similarity.h>
#include <iostream> #include <iostream>
using namespace std;
using namespace std;
using namespace vcg; using namespace vcg;
void TrackMode::Apply(Trackball *trackball, float WheelNotch) { void TrackMode::Apply(Trackball *trackball, float WheelNotch) {
trackball->track.sca*=pow(1.2f,WheelNotch); trackball->track.sca*=pow(1.2f,WheelNotch);
}; }
void ScaleMode::Apply(Trackball *tb, Point3f new_point) {
float ScreenHeight= tb->camera.viewport[3]-tb->camera.viewport[1];
float dist=(new_point[1]-tb->last_point[1])/ScreenHeight;
tb->track.sca= tb->last_track.sca*pow(3.0f,-dist);
}
/// Compute the plane plane perpedicular to view dir and passing through manip center /// Compute the plane plane perpedicular to view dir and passing through manip center
Plane3f TrackMode::GetViewPlane(const View<float> &camera, const Point3f &center) { Plane3f TrackMode::GetViewPlane(const View<float> &camera, const Point3f &center) {

5
wrap/gui/trackmode.h
View File

@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.7 2004/07/11 22:06:56 cignoni
Added scaling by wheel
Revision 1.6 2004/06/09 14:01:13 cignoni Revision 1.6 2004/06/09 14:01:13 cignoni
Heavily restructured. To be completed only rotation works... Heavily restructured. To be completed only rotation works...
@ -103,7 +106,7 @@ protected:
class ScaleMode: public TrackMode { class ScaleMode: public TrackMode {
public: public:
void Apply(Trackball * /*trackball*/, Point3f /*new_point*/) {} void Apply(Trackball *trackball, Point3f new_point);
}; };
}//namespace }//namespace