The classic arcball manipulator. More...

#include <trackmode.h>

Inheritance diagram for vcg::SphereMode:

Public Member Functions
void	Apply (Trackball *trackball, Point3f new_point)
	Apply a rotation, function of the user mouse drag action.
void	Draw (Trackball *trackball)
	Render this manipulator.
const char *	Name ()
	Return this manipulator's name.

Detailed Description

The classic arcball manipulator.

This class implements the classic free rotation manipulator, called arcball or trackball.

This is a stateless manipulator, result of the Apply function is determined only by the mouse coordinates.

Definition at line 226 of file trackmode.h.

Member Function Documentation

Apply a rotation, function of the user mouse drag action.

Map a mouse drag action on a rotation, and apply the rotation to the manipulated objects.

If the user does not hit the sphere that surrounds the manipulated object(s), a rotational hyperboloid is used to compute the rotation.

Parameters:

trackball	the manipulator manager.
new_point	the new mouse pointer coordinate.

Reimplemented from vcg::TrackMode.

Definition at line 68 of file trackmode.cpp.

void SphereMode::Draw ( Trackball * trackball ) [virtual]

Render this manipulator.

Parameters:

trackball the manipulator manager.

Reimplemented from vcg::TrackMode.

Definition at line 85 of file trackmode.cpp.

const char* vcg::SphereMode::Name ( ) [inline, virtual]

Return this manipulator's name.

Reimplemented from vcg::TrackMode.

Definition at line 244 of file trackmode.h.

The documentation for this class was generated from the following files: