Track::EditAssist::LineConstrainedControlPoint

Track::EditAssist::LineConstrainedControlPoint Class Reference

A handle constrained to a line, half line, or line segment. More...

#include <LineConstrainedControlPoint.h>

Inheritance diagram for Track::EditAssist::LineConstrainedControlPoint:


Public Member Functions
	LineConstrainedControlPoint ()
	Create using a line You must specify start and stop points before using snap.
virtual	~LineConstrainedControlPoint ()
virtual void	snap (btVector3 &position, btVector3 normal) const
	Snap to the nearest screen space position along the line.
virtual void	draw () const
	Draw the control point for the editor.
Protected Member Functions
	LineConstrainedControlPoint (bool allow_before_start, bool allow_after_end)
	Create specifying snap limits.
Protected Attributes
btVector3	start
	The starting vertex of the line to constrain to.
btVector3	stop
	The ending vertex of the line to constrain to.
bool	allow_before_start
	set true to accept positions behind the starting vertex
bool	allow_after_end
	set true to accept positions after the stop vertex.

Detailed Description

A handle constrained to a line, half line, or line segment.

Definition at line 24 of file LineConstrainedControlPoint.h.

Constructor & Destructor Documentation

Track::EditAssist::LineConstrainedControlPoint::LineConstrainedControlPoint ( )

Create using a line You must specify start and stop points before using snap.

Definition at line 23 of file LineConstrainedControlPoint.cpp.

Track::EditAssist::LineConstrainedControlPoint::~LineConstrainedControlPoint ( ) [virtual]

Definition at line 35 of file LineConstrainedControlPoint.cpp.

Track::EditAssist::LineConstrainedControlPoint::LineConstrainedControlPoint	(	bool	allow_before_start,
		bool	allow_after_end
	)			`[protected]`

Create specifying snap limits.

You must specify start and stop points before using snap. With both parameters false, you get a line segment. Both true is a line. One true and one false gives you a half line.

Parameters:

	allow_before_start	true to allow positions that are behind the starting vertex.
	allow_after_end	true to allow positions that are infront of the ending vertex.

Definition at line 29 of file LineConstrainedControlPoint.cpp.

Member Function Documentation

void Track::EditAssist::LineConstrainedControlPoint::draw ( ) const [virtual]

Draw the control point for the editor.

May draw additional lines to show bounds or to indicate what it relates to.

Uses OpenGL commands. It expects the modelview matrix to translate points from world space. Point and line primitives may be drawn. After calling, the current OpenGL colour could be anything.

Implements Track::EditAssist::ControlPoint.

Reimplemented in Track::EditAssist::EdgeStrengthHandle.

Definition at line 85 of file LineConstrainedControlPoint.cpp.

void Track::EditAssist::LineConstrainedControlPoint::snap	(	btVector3 &	position,
		btVector3	normal
	)			const `[virtual]`

Snap to the nearest screen space position along the line.

The line should have been previously specified using start and stop. allow_before_start and allow_after_end control weather to use a line, half line, or line segment.

Parameters: