trackutils.h File Reference

#include <assert.h>
#include <vcg/math/base.h>
#include <vcg/math/similarity.h>
#include <vcg/space/intersection3.h>
#include <vcg/space/line3.h>
#include <vcg/space/plane3.h>
#include <wrap/gl/math.h>
#include <wrap/gl/space.h>
#include <vector>
#include <iostream>

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Classes
class	vcg::trackutils::DrawingHint
	Drawing hints for manipulators. More...
Namespaces
namespace	vcg
	*
namespace	vcg::trackutils
	This namespace contains some support functions used by TrackMode subclassess.
Functions
void	vcg::trackutils::DrawCircle (bool planehandle=true)
	Draw a circle with 2 squares, used by DrawSphereIcon().
void	vcg::trackutils::DrawPlaneHandle ()
	Draw 2 squares, used by DrawCircle().
void	vcg::trackutils::DrawSphereIcon (Trackball *tb, bool active, bool planeshandle=false)
	Draw a spherical manipulator icon.
void	vcg::trackutils::DrawUglyAreaMode (Trackball *tb, const std::vector< Point3f > &points, Point3f status, Point3f old_status, Plane3f plane, const std::vector< Point3f > &path, Point3f rubberband_handle)
	AreaMode drawing function, member of the DrawUgly series.
void	vcg::trackutils::DrawUglyAxisMode (Trackball *tb, Line3f axis)
	AxisMode drawing function, member of the DrawUgly series.
void	vcg::trackutils::DrawUglyCylinderMode (Trackball *tb, Line3f axis)
	CylinderMode drawing function, member of the DrawUgly series.
void	vcg::trackutils::DrawUglyLetter (Trackball *tb, std::vector< Point3f > ugly_letter)
	Support function for the DrawUgly series of functions.
void	vcg::trackutils::DrawUglyPanMode (Trackball *tb)
	PanMode drawing function, member of the DrawUgly series.
void	vcg::trackutils::DrawUglyPathMode (Trackball *tb, const std::vector< Point3f > &points, Point3f current_point, Point3f prev_point, Point3f next_point, Point3f old_hitpoint, bool wrap)
	PathMode drawing function, member of the DrawUgly series.
void	vcg::trackutils::DrawUglyPlaneMode (Trackball *tb, Plane3f plane)
	PlaneMode drawing function, member of the DrawUgly series.
void	vcg::trackutils::DrawUglyScaleMode (Trackball *tb)
	ScaleMode drawing function, member of the DrawUgly series.
void	vcg::trackutils::DrawUglyZMode (Trackball *tb)
	ZMode drawing function, member of the DrawUgly series.
float	vcg::trackutils::getDeltaY (Trackball *tb, Point3f new_point)
	Computes the verical component of an user mouse drag.
Plane3f	vcg::trackutils::GetViewPlane (const View< float > &camera, const Point3f &center)
	Compute the plane perpedicular to view dir and passing through the manipulator center.
bool	vcg::trackutils::HitHyper (Point3f center, float radius, Point3f viewpoint, Plane3f viewplane, Point3f hitOnViewplane, Point3f &hit)
	Project a window coordinate point on the rotational hyperboloid relative to the manipulator.
bool	vcg::trackutils::HitHyperOrtho (Point3f center, float radius, Point3f viewpoint, Plane3f viewplane, Point3f hitOnViewplane, Point3f &hit)
	HitHyperOrtho.
std::pair< Point3f, bool >	vcg::trackutils::HitNearestPointOnAxis (Trackball *tb, Line3f axis, Point3f point)
	Calculates the minimal distance between 2 segments.
std::pair< Point3f, bool >	vcg::trackutils::HitPlane (Trackball *tb, Point3f point, Plane3f plane)
	Project a window coordinate point on a plane.
Point3f	vcg::trackutils::HitSphere (Trackball *tb, const Point3f &p)
	Project a window coordinate point on the sphere relative to the manipulator.
Point3f	vcg::trackutils::HitViewPlane (Trackball *tb, const Point3f &p)
	Project a window coordinate point on the plane perpedicular to view dir and passing through the manipulator center.
template<class T >
bool	vcg::trackutils::IntersectionRayPlane (const Plane3< T > &pl, const Ray3< T > &ray, Point3< T > &po)
	Computes the intersection between a ray and a plane.
Ray3f	vcg::trackutils::line2ray (const Line3f &l)
	Convert a line to a normalized ray.
std::pair< float, bool >	vcg::trackutils::LineLineDistance (const Line3f &P, const Line3f &Q, Point3f &P_s, Point3f &Q_t)
	Calculates the minimal distance between 2 lines.
void	vcg::trackutils::prepare_attrib ()
	Support function for the DrawUgly series of functions.
Line3f	vcg::trackutils::ProjectLineOnPlane (const Line3f &ln, const Plane3f &pl)
	Project a line into a plane.
std::pair< float, bool >	vcg::trackutils::RayLineDistance (const Ray3f &R, const Line3f &Q, Point3f &R_s, Point3f &Q_t)
	Calculates the minimal distance between a ray and a line.
float	vcg::trackutils::signedDistance (Line3f line, Point3f pt, Point3f positive_dir)
	Computes a signed line-point distance.
Variables
DrawingHint	vcg::trackutils::DH
	the drawing hint used by the manipulators