Mathematics classes. More...

Classes
class	AABB
class	Frustum
class	Matrix
class	Plane
class	Quat
struct	Ray
class	Shape
class	Sphere
struct	Triangle
class	Vector
class	Vector2
	2D Vector More...

Typedefs
typedef Vector2< float >	Vector2F
typedef Vector2< int >	Vector2I

Enumerations
enum	FrustumSide { EFS_Right = 0, EFS_Left = 1, EFS_Bottom = 2, EFS_Top = 3, EFS_Far = 4, EFS_Near = 5 }
enum	CollisionType { ECT_Out, ECT_In, ECT_Front, ECT_Behind, ECT_Intersect, ECT_NotIntersect }
	The collision type of objects. More...
enum	KGE_SHAPES { KGE_SHAPE_AABB = 0, KGE_SHAPE_SPHERE, KGE_SHAPE_CAPSULE }

Functions
float	DegToRad (float Degree)
	Darage ra be radian tabdil mikone.
float	RadToDeg (float Radian)
	Radian ra be darage tabdil mikone.
float	abs (float Number)
int	pow (int x, int y)
	power x ^ y
float	Max (float A, float B)
float	Min (float A, float B)
bool	SweptSpherePlaneIntersect (float &t0, float &t1, const Plane &plane, const Sphere &sphere, const Vector &sweepDir)
	this function tests if the projection of a bounding sphere along the light direction intersects the view frustum
void	Transpose (Matrix &mat)
	Transposes this matrix.
float KGE_API	RandomFloat (float lowerBound, float upperBound)
	This function returns a random floating-point number between lower and upper bounds.
Vector KGE_API	RandomVector ()
	This function returns a random normalized vector.
bool KGE_API	AlmostEqual (float x, float y)
	This function returns true if two numbers are almost equal.
void KGE_API	BezierCurve (Vector &result, const Vector *points, int num, float t)
void KGE_API	CatmullRom (Vector &result, const Vector &p1, const Vector &p2, const Vector &p3, const Vector &p4, float t)

Variables
const float	PI = 3.141592654f
	P number.
const float	TwoPI = 6.283185307f
const float	PiOver2 = 1.570796326f
const float	fDegToRad = 0.0174532925f
const float	fRadToDeg = 57.295779513f
const float	fEpsilon = 0.000001f

Detailed Description

Mathematics classes.

Typedef Documentation

typedef Vector2<float> kge::math::Vector2F

Definition at line 260 of file Vector.h.

typedef Vector2<int> kge::math::Vector2I

Definition at line 261 of file Vector.h.

Enumeration Type Documentation

enum kge::math::CollisionType

The collision type of objects.

Enumerator:

ECT_Out	The Object is outside of somthing like a frustum.
ECT_In	The Object is inside of somthing like a frustum.
ECT_Front	The Object is front of somthing like a plane.
ECT_Behind	The Object is behind of somthing like a plane.
ECT_Intersect	The Object is intersecting with another object.
ECT_NotIntersect	The Object is not intersecting with another object.

Definition at line 19 of file math.h.

enum kge::math::FrustumSide

Enumerator:

EFS_Right	The RIGHT side of the frustum.
EFS_Left	The LEFT side of the frustum.
EFS_Bottom	The BOTTOM side of the frustum.
EFS_Top	The TOP side of the frustum.
EFS_Far	The far side of the frustum.
EFS_Near	The near side of the frustum.

Definition at line 16 of file Frustum.h.

enum kge::math::KGE_SHAPES

Enumerator:

KGE_SHAPE_AABB
KGE_SHAPE_SPHERE
KGE_SHAPE_CAPSULE

Definition at line 13 of file Shape.h.

Function Documentation

float kge::math::abs ( float Number )

inline

Definition at line 63 of file math.h.

bool KGE_API kge::math::AlmostEqual	(	float	x,
		float	y
	)

This function returns true if two numbers are almost equal.

void KGE_API kge::math::BezierCurve	(	Vector &	result,
		const Vector *	points,
		int	num,
		float	t
	)

void KGE_API kge::math::CatmullRom	(	Vector &	result,
		const Vector &	p1,
		const Vector &	p2,
		const Vector &	p3,
		const Vector &	p4,
		float	t
	)

float kge::math::DegToRad ( float Degree )

inline

Darage ra be radian tabdil mikone.

Parameters

Degree Zaviye bar hasbe daraje.

Returns: Zaviye bar hasbe radian.

Definition at line 45 of file math.h.

References fDegToRad.

float kge::math::Max	(	float	A,
		float	B
	)

inline

Definition at line 85 of file math.h.

float kge::math::Min	(	float	A,
		float	B
	)

inline

Definition at line 92 of file math.h.

int kge::math::pow	(	int	x,
		int	y
	)

inline

power x ^ y

Definition at line 72 of file math.h.

float kge::math::RadToDeg ( float Radian )

inline

Radian ra be darage tabdil mikone.

Parameters

Radian Zaviye bar hasbe radian.

Returns: Zaviye bar hasbe darage.

Definition at line 57 of file math.h.

References PI.

float KGE_API kge::math::RandomFloat	(	float	lowerBound,
		float	upperBound
	)

This function returns a random floating-point number between lower and upper bounds.

Vector KGE_API kge::math::RandomVector ( )

This function returns a random normalized vector.

bool kge::math::SweptSpherePlaneIntersect	(	float &	t0,
		float &	t1,
		const Plane &	plane,
		const Sphere &	sphere,
		const Vector &	sweepDir
	)

this function tests if the projection of a bounding sphere along the light direction intersects the view frustum

void kge::math::Transpose ( Matrix & mat )

Transposes this matrix.

Variable Documentation

const float kge::math::fDegToRad = 0.0174532925f

Definition at line 35 of file math.h.

Referenced by DegToRad().

const float kge::math::fEpsilon = 0.000001f

Definition at line 38 of file math.h.

Referenced by kge::math::Triangle::IntersectRay(), kge::math::Vector::Normalize(), kge::math::Vector2< T >::Normalize(), kge::math::Vector::operator/(), and kge::math::Vector::operator/=().

const float kge::math::fRadToDeg = 57.295779513f

Definition at line 36 of file math.h.

const float kge::math::PI = 3.141592654f

P number.

Definition at line 31 of file math.h.

Referenced by RadToDeg().

const float kge::math::PiOver2 = 1.570796326f

Definition at line 33 of file math.h.

Referenced by kge::sn::TPCamera::GetPhi().

const float kge::math::TwoPI = 6.283185307f

Definition at line 32 of file math.h.

Classes

Typedefs

Enumerations

Functions

Variables

Detailed Description

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation