Classes
class	AABB

class	Axes

class	HPoint

class	IndexedTriangle

class	Matrix3x3

class	Matrix4x4

class	OBB

class	Plane

class	Point

class	Ray

class	Sphere

Typedefs
typedef int	CubeIndex

Enumerations
enum	AABBType { AABB_RENDER = 0, AABB_UPDATE = 1, AABB_FORCE_DWORD = 0x7fffffff }

enum	AxisOrder { AXES_XYZ = (_X)\|(_Y<<2)\|(_Z<<4), AXES_XZY = (_X)\|(_Z<<2)\|(_Y<<4), AXES_YXZ = (_Y)\|(_X<<2)\|(_Z<<4), AXES_YZX = (_Y)\|(_Z<<2)\|(_X<<4), AXES_ZXY = (_Z)\|(_X<<2)\|(_Y<<4), AXES_ZYX = (_Z)\|(_Y<<2)\|(_X<<4), AXES_FORCE_DWORD = 0x7fffffff }

enum	BSphereMethod { BS_NONE, BS_GEMS, BS_MINIBALL, BS_FORCE_DWORD = 0x7fffffff }

enum	PointComponent { _X = 0, _Y = 1, _Z = 2, _W = 3, _FORCE_DWORD = 0x7fffffff }

Functions
inline_ void	ComputeAABB (AABB &aabb, const Point *list, udword nb_pts)

inline_ void	ComputeLocalDirection (Point &local_dir, const Point &world_dir, const Matrix4x4 &world)

inline_ void	ComputeLocalPoint (Point &local_pt, const Point &world_pt, const Matrix4x4 &world)

inline_ void	ComputeLocalRay (Ray &local_ray, const Ray &world_ray, const Matrix4x4 &world)

inline_ void	ComputeMinMax (const Point &p, Point &min, Point &max)

inline_ void	ComputeReflexionVector (Point &reflected, const Point &incoming_dir, const Point &outward_normal)

inline_ void	ComputeReflexionVector (Point &reflected, const Point &source, const Point &impact, const Point &normal)

inline_ void	DecomposeVector (Point &normal_compo, Point &tangent_compo, const Point &outward_dir, const Point &outward_normal)

ICEMATHS_API void	InvertPRMatrix (Matrix4x4 &dest, const Matrix4x4 &src)

FUNCTION ICEMATHS_API void	Normalize1 (Point &a)

FUNCTION ICEMATHS_API void	Normalize2 (Point &a)

inline_ void	TransformPlane (Plane &transformed, const Plane &plane, const Matrix4x4 &transform)

inline_ void	TransformPlane (Plane &plane, const Matrix4x4 &transform)

inline_ void	TransformPoint3x3 (Point &dest, const Point &source, const Matrix4x4 &rot)
	Quickly rotates a vector, using the 3x3 part of a 4x4 matrix. More...

inline_ void	TransformPoint4x3 (Point &dest, const Point &source, const Matrix4x4 &rot)
	Quickly rotates & translates a vector, using the 4x3 part of a 4x4 matrix. More...

Variables
const float	EPSILON2 = 1.0e-20f

Detailed Description

Author: Shin'ichiro Nakaoka

Typedef Documentation

typedef int IceMaths::CubeIndex

Definition at line 20 of file OPC_IceHook.h.

Enumeration Type Documentation

enum IceMaths::AABBType

Enumerator
AABB_RENDER	AABB used for rendering. Not visible == not rendered.
AABB_UPDATE	AABB used for dynamic updates. Not visible == not updated.
AABB_FORCE_DWORD

Definition at line 40 of file OPC_IceHook.h.

enum IceMaths::AxisOrder

Enumerator
AXES_XYZ
AXES_XZY
AXES_YXZ
AXES_YZX
AXES_ZXY
AXES_ZYX
AXES_FORCE_DWORD

Definition at line 26 of file OPC_IceHook.h.

enum IceMaths::BSphereMethod

Enumerator
BS_NONE
BS_GEMS
BS_MINIBALL
BS_FORCE_DWORD

Definition at line 16 of file OPC_IceHook.h.

enum IceMaths::PointComponent

Enumerator
_X
_Y
_Z
_W
_FORCE_DWORD

Definition at line 16 of file OPC_IceHook.h.

Function Documentation

inline_ void IceMaths::ComputeAABB	(	AABB &	aabb,
		const Point *	list,
		udword	nb_pts
	)

Definition at line 491 of file OPC_IceHook.h.

inline_ void IceMaths::ComputeLocalDirection	(	Point &	local_dir,
		const Point &	world_dir,
		const Matrix4x4 &	world
	)

Transforms a direction vector from world space to local space

Parameters

local_dir	[out] direction vector in local space
world_dir	[in] direction vector in world space
world	[in] world transform

Definition at line 60 of file OPC_IceHook.h.

inline_ void IceMaths::ComputeLocalPoint	(	Point &	local_pt,
		const Point &	world_pt,
		const Matrix4x4 &	world
	)

Transforms a position vector from world space to local space

Parameters

local_pt	[out] position vector in local space
world_pt	[in] position vector in world space
world	[in] world transform

Definition at line 76 of file OPC_IceHook.h.

inline_ void IceMaths::ComputeLocalRay	(	Ray &	local_ray,
		const Ray &	world_ray,
		const Matrix4x4 &	world
	)

Transforms a ray from world space to local space

Parameters

local_ray	[out] ray in local space
world_ray	[in] ray in world space
world	[in] world transform

Definition at line 92 of file OPC_IceHook.h.

inline_ void IceMaths::ComputeMinMax	(	const Point &	p,
		Point &	min,
		Point &	max
	)

Definition at line 479 of file OPC_IceHook.h.

inline_ void IceMaths::ComputeReflexionVector	(	Point &	reflected,
		const Point &	incoming_dir,
		const Point &	outward_normal
	)

Definition at line 35 of file OPC_IceHook.h.

inline_ void IceMaths::ComputeReflexionVector	(	Point &	reflected,
		const Point &	source,
		const Point &	impact,
		const Point &	normal
	)

Definition at line 40 of file OPC_IceHook.h.

inline_ void IceMaths::DecomposeVector	(	Point &	normal_compo,
		Point &	tangent_compo,
		const Point &	outward_dir,
		const Point &	outward_normal
	)

Definition at line 46 of file OPC_IceHook.h.

ICEMATHS_API void IceMaths::InvertPRMatrix	(	Matrix4x4 &	dest,
		const Matrix4x4 &	src
	)

Definition at line 54 of file IceMatrix4x4.cpp.

FUNCTION ICEMATHS_API void IceMaths::Normalize1 ( Point & a )

FUNCTION ICEMATHS_API void IceMaths::Normalize2 ( Point & a )

inline_ void IceMaths::TransformPlane	(	Plane &	transformed,
		const Plane &	plane,
		const Matrix4x4 &	transform
	)

Transforms a plane by a 4x4 matrix. Same as Plane * Matrix4x4 operator, but faster.

Parameters

transformed	[out] transformed plane
plane	[in] source plane
transform	[in] transform matrix

Warning: the plane normal must be unit-length

Definition at line 88 of file OPC_IceHook.h.

inline_ void IceMaths::TransformPlane	(	Plane &	plane,
		const Matrix4x4 &	transform
	)

Transforms a plane by a 4x4 matrix. Same as Plane * Matrix4x4 operator, but faster.

Parameters

plane	[in/out] source plane (transformed on return)
transform	[in] transform matrix

Warning: the plane normal must be unit-length

Definition at line 105 of file OPC_IceHook.h.

inline_ void IceMaths::TransformPoint3x3	(	Point &	dest,
		const Point &	source,
		const Matrix4x4 &	rot
	)

Quickly rotates a vector, using the 3x3 part of a 4x4 matrix.

Definition at line 446 of file OPC_IceHook.h.

inline_ void IceMaths::TransformPoint4x3	(	Point &	dest,
		const Point &	source,
		const Matrix4x4 &	rot
	)

Quickly rotates & translates a vector, using the 4x3 part of a 4x4 matrix.

Definition at line 438 of file OPC_IceHook.h.

Variable Documentation

const float IceMaths::EPSILON2 = 1.0e-20f

Definition at line 24 of file OPC_IceHook.h.

Classes

Typedefs

Enumerations

Functions

Variables

Detailed Description

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation