G3D::Box2D Class Reference

2D oriented box More...

Public Member Functions
	Box2D (const Vector2 &center=Vector2(0, 0), float w=0, float h=0, float angle=0)
	Box2D (const AABox2D &b)
	Box2D (const Vector2 &min, const Vector2 &max)
	Box2D (const CFrame &frame, Box2D &b)
	Transform b by frame, discarding the Z components, and compute the new box. More...
float	area () const
	Surface area. More...
const Vector2 &	axis (int a) const
	Unit length vector along axis a. More...
const Vector2 &	center () const
bool	contains (const Vector2 &v) const
const Vector2 &	corner (int i) const
const Vector2 &	extent () const
	Distance from corner(0) to the next corner along the box's local axis a. More...
bool	overlaps (const Box2D &other) const
	Returns true if the intersection of the boxes is non-empty. More...

Detailed Description

2D oriented box

Referenced Code: http://www.flipcode.com/archives/2D_OBB_Intersection.shtml

Constructor & Destructor Documentation

Box2D() [1/4]

G3D::Box2D::Box2D	(	const Vector2 &	center = Vector2(0, 0),
		float	w = 0,
		float	h = 0,
		float	angle = 0
	)

Parameters

center	World-space center
w	Width along object-space x-axis
h	Height along object-space y-axis
angle	Counter-clockwise angle from object-space x-axis in radians

Box2D() [2/4]

G3D::Box2D::Box2D

(

const AABox2D &

b

)

Box2D() [3/4]

G3D::Box2D::Box2D	(	const Vector2 &	min,
		const Vector2 &	max
	)

Box2D() [4/4]

G3D::Box2D::Box2D	(	const CFrame &	frame,
		Box2D &	b
	)

Transform b by frame, discarding the Z components, and compute the new box.

Member Function Documentation

area()

float G3D::Box2D::area ( ) const

inline

Surface area.

axis()

const Vector2& G3D::Box2D::axis ( int  a ) const

inline

Unit length vector along axis a.

center()

const Vector2& G3D::Box2D::center ( ) const

inline

contains()

bool G3D::Box2D::contains ( const Vector2 &  v ) const

inline

corner()

const Vector2& G3D::Box2D::corner ( int  i ) const

inline

extent()

const Vector2& G3D::Box2D::extent ( ) const

inline

Distance from corner(0) to the next corner along the box's local axis a.

overlaps()

bool G3D::Box2D::overlaps ( const Box2D &  other ) const

inline

Returns true if the intersection of the boxes is non-empty.