CoreMath Namespace Reference

Functions
Vector2	mGetClosestPointOnLine (Vector2 &a, Vector2 &b, Vector2 &point)
	Returns a point on the given line AB that is closest to 'point'. More...
bool	mPointInRectangle (const Vector2 &point, const Vector2 &rectMin, const Vector2 &rectMax)
	Calculate point in rectangle. More...
bool	mLineRectangleIntersect (const Vector2 &startPoint, const Vector2 &endPoint, const Vector2 &rectMin, const Vector2 &rectMax, F32 *pTime=NULL)
	Calculate line/rectangle intersection. More...
F32	mGetRandomF (F32 from, F32 to)
	Random Float Range. More...
F32	mGetRandomF (void)
	Random Float. More...
S32	mGetRandomI (const S32 from, const S32 to)
	Random Integer Range. More...
S32	mGetRandomI (void)
	Random Integer. More...
void	mCalculateAABB (const b2Vec2 *const pAABBVertices, const b2Transform &xf, b2AABB *pAABB)
void	mCalculateOOBB (const b2Vec2 *const pAABBVertices, const b2Transform &xf, b2Vec2 *pOOBBVertices)
	Calculate an OOBB. More...
void	mCalculateInverseOOBB (const b2Vec2 *const pAABBVertices, const b2Transform &xf, b2Vec2 *pOOBBVertices)
	Calculate an OOBB. More...
b2AABB	mRectFtoAABB (const RectF &rect)
	Convert RectF to AABB. More...
void	mAABBtoOOBB (const b2AABB &aabb, b2Vec2 *pOOBBVertices)
	Convert AABB to OOBB. More...
void	mOOBBtoAABB (b2Vec2 *pOOBBVertices, b2AABB &aabb)
	Convert OOBB to AABB. More...
void	mRotateAABB (const b2AABB &aabb, const F32 &angle, b2AABB &transformedAABB)
	Rotate an AABB. More...

Variables
RandomLCG	gRandomGenerator

Function Documentation

void CoreMath::mAABBtoOOBB ( const b2AABB &  aabb, b2Vec2 *  pOOBBVertices  )

inline

Convert AABB to OOBB.

void CoreMath::mCalculateAABB ( const b2Vec2 *const  pAABBVertices, const b2Transform &  xf, b2AABB *  pAABB  )

inline

void CoreMath::mCalculateInverseOOBB ( const b2Vec2 *const  pAABBVertices, const b2Transform &  xf, b2Vec2 *  pOOBBVertices  )

inline

Calculate an OOBB.

void CoreMath::mCalculateOOBB ( const b2Vec2 *const  pAABBVertices, const b2Transform &  xf, b2Vec2 *  pOOBBVertices  )

inline

Calculate an OOBB.

Vector2 mGetClosestPointOnLine	(	Vector2 &	a,
		Vector2 &	b,
		Vector2 &	point
	)

Returns a point on the given line AB that is closest to 'point'.

Returns a point on the given line ab that is closest to 'point'.

Parameters

a	The start of the line.
b	The end of the line.
point	The point to test with

Returns

A Point2F of the nearest point that lies on the line

F32 CoreMath::mGetRandomF ( F32  from, F32  to  )

inline

Random Float Range.

F32 CoreMath::mGetRandomF ( void  )

inline

Random Float.

S32 CoreMath::mGetRandomI ( const S32  from, const S32  to  )

inline

Random Integer Range.

S32 CoreMath::mGetRandomI ( void  )

inline

Random Integer.

bool mLineRectangleIntersect	(	const Vector2 &	startPoint,
		const Vector2 &	endPoint,
		const Vector2 &	rectMin,
		const Vector2 &	rectMax,
		F32 *	pTime
	)

Calculate line/rectangle intersection.

void CoreMath::mOOBBtoAABB ( b2Vec2 *  pOOBBVertices, b2AABB &  aabb  )

inline

Convert OOBB to AABB.

bool mPointInRectangle	(	const Vector2 &	point,
		const Vector2 &	rectMin,
		const Vector2 &	rectMax
	)

Calculate point in rectangle.

b2AABB CoreMath::mRectFtoAABB ( const RectF &  rect )

inline

Convert RectF to AABB.

void CoreMath::mRotateAABB ( const b2AABB &  aabb, const F32 &  angle, b2AABB &  transformedAABB  )

inline

Rotate an AABB.

Variable Documentation

RandomLCG gRandomGenerator