Ellipse< T > Class Template Reference

Equations to calculate the shape of an ellipse and to calculate points on the edge of the ellipse and to see if points are inside or outside. More...

Public Member Functions
	Ellipse (T x_, T y_, T a_, T b_)
	Creates a ellipse with a given centre and width / height. More...
	Ellipse (T a_, T b_)
	Creates a ellipse with centred at (0,0) with a width and height. More...
bool	isPointOn (Point< T > pt, T accuracy=0.00001)
bool	isPointOutside (Point< T > pt)
bool	isPointInside (Point< T > pt)
Point< T >	pointAtAngle (T angle)
juce::Array< Point< T > >	findIntersections (Point< T > p1, Point< T > p2)

Public Attributes
T	x = 0
T	y = 0
T	a = 0
T	b = 0

Detailed Description

template<typename T>
class Ellipse< T >

Equations to calculate the shape of an ellipse and to calculate points on the edge of the ellipse and to see if points are inside or outside.

Constructor & Destructor Documentation

Ellipse() [1/2]

template<typename T >

Ellipse< T >::Ellipse	(	T	x_,
		T	y_,
		T	a_,
		T	b_
	)

Creates a ellipse with a given centre and width / height.

Ellipse() [2/2]

template<typename T >

Ellipse< T >::Ellipse	(	T	a_,
		T	b_
	)

Creates a ellipse with centred at (0,0) with a width and height.

Member Function Documentation

isPointOn()

template<typename T >

bool Ellipse< T >::isPointOn	(	Point< T >	pt,
		T	accuracy = 0.00001
	)

References Ellipse< T >::a, Ellipse< T >::b, Point< T >::getX(), Point< T >::getY(), square, Ellipse< T >::x, Point< T >::x, Ellipse< T >::y, and Point< T >::y.

isPointOutside()

template<typename T >

bool Ellipse< T >::isPointOutside

(

Point< T >

pt

)

References Ellipse< T >::a, Ellipse< T >::b, Point< T >::getX(), Point< T >::getY(), square, Ellipse< T >::x, Point< T >::x, Ellipse< T >::y, and Point< T >::y.

isPointInside()

template<typename T >

bool Ellipse< T >::isPointInside

(

Point< T >

pt

)

References Ellipse< T >::a, Ellipse< T >::b, Point< T >::getX(), Point< T >::getY(), square, Ellipse< T >::x, Point< T >::x, Ellipse< T >::y, and Point< T >::y.

pointAtAngle()

template<typename T >

Point<T> Ellipse< T >::pointAtAngle

(

T

angle

)

References Ellipse< T >::a, Ellipse< T >::b, square, Ellipse< T >::x, and Ellipse< T >::y.

findIntersections()

template<typename T >

juce::Array<Point<T> > Ellipse< T >::findIntersections	(	Point< T >	p1,
		Point< T >	p2
	)

References Ellipse< T >::a, Ellipse< T >::b, math::max(), math::min(), Ellipse< T >::x, Point< T >::x, Ellipse< T >::y, and Point< T >::y.

Member Data Documentation

x

template<typename T >

T Ellipse< T >::x = 0

Referenced by Ellipse< T >::findIntersections(), Ellipse< T >::isPointInside(), Ellipse< T >::isPointOn(), Ellipse< T >::isPointOutside(), and Ellipse< T >::pointAtAngle().

y

template<typename T >

T Ellipse< T >::y = 0

Referenced by Ellipse< T >::findIntersections(), Ellipse< T >::isPointInside(), Ellipse< T >::isPointOn(), Ellipse< T >::isPointOutside(), and Ellipse< T >::pointAtAngle().

a

template<typename T >

T Ellipse< T >::a = 0

Referenced by Ellipse< T >::findIntersections(), Ellipse< T >::isPointInside(), Ellipse< T >::isPointOn(), Ellipse< T >::isPointOutside(), and Ellipse< T >::pointAtAngle().

b

template<typename T >

T Ellipse< T >::b = 0

Referenced by Ellipse< T >::findIntersections(), Ellipse< T >::isPointInside(), Ellipse< T >::isPointOn(), Ellipse< T >::isPointOutside(), and Ellipse< T >::pointAtAngle().

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

• gin_geometry.h