U4DEngine::U4DCollisionDetection Class Reference

The U4DCollisionDetection is in charge of implementing the collision detection algorithm. More...

Inherited by U4DEngine::U4DCollisionAlgorithm, and U4DEngine::U4DManifoldGeneration.

Public Member Functions
	U4DCollisionDetection ()
	Constructor for class.
virtual	~U4DCollisionDetection ()
	Destructor for class.
virtual bool	collision (U4DDynamicAction *uAction1, U4DDynamicAction *uAction2, float dt)
	Method with returns true if a collision between two 3D entities have occurred. More...
virtual void	determineCollisionManifold (U4DDynamicAction *uAction1, U4DDynamicAction *uAction2, std::vector< SIMPLEXDATA > uQ)
	Method which determines the collision manifold. More...
SIMPLEXDATA	calculateSupportPointInDirection (U4DBoundingVolume *uBoundingVolume1, U4DBoundingVolume *uBoundingVolume2, U4DVector3n &uDirection)
	Method which computes the supporting point in a given direction. More...
U4DPoint3n	determineClosestPointOnSimplexToPoint (U4DPoint3n &uPoint, std::vector< SIMPLEXDATA > uQ)
	Method which determines the closest 3D point on a simplex to a 3D point. More...
std::vector< float >	determineBarycentricCoordinatesInSimplex (U4DPoint3n &uClosestPointToOrigin, std::vector< SIMPLEXDATA > uQ)
	Method which determines the Barycentric coordinates in a Simplex. More...

Detailed Description

The U4DCollisionDetection is in charge of implementing the collision detection algorithm.

Member Function Documentation

calculateSupportPointInDirection()

SIMPLEXDATA U4DEngine::U4DCollisionDetection::calculateSupportPointInDirection	(	U4DBoundingVolume *	uBoundingVolume1,
		U4DBoundingVolume *	uBoundingVolume2,
		U4DVector3n &	uDirection
	)

Method which computes the supporting point in a given direction.

Parameters

uBoundingVolume1	Bounding volume of a 3D model entity
uBoundingVolume2	Bounding volume of a 3D model entity
uDirection	3D vector direction to compute the supporting points

Returns

Returns the supporting point as a SIMPLEXDATA object

collision()

virtual bool U4DEngine::U4DCollisionDetection::collision ( U4DDynamicAction *  uAction1, U4DDynamicAction *  uAction2, float  dt  )

inlinevirtual

Method with returns true if a collision between two 3D entities have occurred.

Parameters

uAction1	3D model entity
uAction2	3D model entity
dt	Time-step value

Returns

Returns true if collision occurred

Reimplemented in U4DEngine::U4DGJKAlgorithm, and U4DEngine::U4DCollisionAlgorithm.

determineBarycentricCoordinatesInSimplex()

std::vector< float > U4DEngine::U4DCollisionDetection::determineBarycentricCoordinatesInSimplex	(	U4DPoint3n &	uClosestPointToOrigin,
		std::vector< SIMPLEXDATA >	uQ
	)

Method which determines the Barycentric coordinates in a Simplex.

Parameters

uClosestPointToOrigin	3D point closest to the origin
uQ	Simplex data

Returns

Returns the barycentric coordinates in a simplex

determineClosestPointOnSimplexToPoint()

U4DPoint3n U4DEngine::U4DCollisionDetection::determineClosestPointOnSimplexToPoint	(	U4DPoint3n &	uPoint,
		std::vector< SIMPLEXDATA >	uQ
	)

Method which determines the closest 3D point on a simplex to a 3D point.

Parameters

uPoint	3D point to compute clostest 3D point
uQ	Simplex data

Returns

Returns 3D point closest to the simplex

determineCollisionManifold()

virtual void U4DEngine::U4DCollisionDetection::determineCollisionManifold ( U4DDynamicAction *  uAction1, U4DDynamicAction *  uAction2, std::vector< SIMPLEXDATA >  uQ  )

inlinevirtual

Method which determines the collision manifold.

Parameters

uAction1	3D model entity
uAction2	3D model entity
uQ	Time-step value