Nimble::LineSegment2T< T > Class Template Reference

2D line segment More...

#include <Nimble/LineSegment2.hpp>

Public Member Functions
Vector2T< T > &	begin ()
	Returns the first end point of the line segment.
const Vector2T< T > &	begin () const
	Returns the first end point of the line segment.
Vector2T< T >	directionNormalized () const
	Returns normalized direction of this line segment.
float	distanceInfinite (const Vector2T< T > &point)
	Calculates the distance between this (infinite) line and a point. More...
Vector2T< T > &	end ()
	Returns the second end point of the line segment.
const Vector2T< T > &	end () const
	Returns the second end point of the line segment.
bool	intersects (const LineSegment2T &that, Vector2T< T > *point=0) const
	Returns true if the two line segments intersect. More...
bool	intersectsBezier (Vector2T< T > cp[4])
	Returns true if the line segment intersects with the given bezier curve.
bool	intersectsInfinite (const LineSegment2T &that, Vector2T< T > *point) const
	Tests for intersection with a given line. More...
T	length () const
	Returns the length of the line segment.
	LineSegment2T ()
	Construct line segment object, without initializing its values.
	LineSegment2T (T x1, T y1, T x2, T y2)
	Initialize line segment from given coordinate values.
	LineSegment2T (const Vector2T< T > &p1, const Vector2T< T > &p2)
	Constructs a new line segment between two points.
bool	operator== (const LineSegment2T &that) const
	Compares the end points of two line segments and returns true if they are equal.
bool	pointMatch (const LineSegment2T &that) const
	Compares the given point against both end points and returns true if the point is equal to either one.

Detailed Description

template<typename T>
class Nimble::LineSegment2T< T >

2D line segment

Where lines are of infinite length, line segments have a finite length.

Member Function Documentation

template<typename T >

float Nimble::LineSegment2T< T >::distanceInfinite ( const Vector2T< T > &  point )

inline

Calculates the distance between this (infinite) line and a point.

Parameters

point

2D point

Returns

Distance between a line and point

template<typename T >

bool Nimble::LineSegment2T< T >::intersects ( const LineSegment2T< T > &  that, Vector2T< T > *  point = 0  ) const

inline

Returns true if the two line segments intersect.

Parameters

	that	line segment to compare
[out]	point	optional intersection point

Returns

True if lines intersect

template<typename T >

bool Nimble::LineSegment2T< T >::intersectsInfinite ( const LineSegment2T< T > &  that, Vector2T< T > *  point  ) const

inline

Tests for intersection with a given line.

Parameters

	that	line to test against
[out]	point	(optional) intersection point if found

Returns

True if lines intersect