#include <Opcode.h>

Inheritance diagram for Opcode::Point:

Public Member Functions
inline_	Point ()
	Empty constructor. More...

inline_	Point (float _x, float _y, float _z)
	Constructor from a single float. More...

inline_	Point (const float f[3])
	Constructor from array. More...

inline_	Point (const Point &p)
	Copy constructor. More...

inline_	~Point ()
	Destructor. More...

inline_ Point &	Zero ()
	Clears the vector. More...

inline_ Point &	SetPlusInfinity ()

inline_ Point &	SetMinusInfinity ()

Point &	PositiveUnitRandomVector ()
	Sets positive unit random vector. More...

Point &	UnitRandomVector ()
	Sets unit random vector. More...

inline_ Point &	Set (float _x, float _y, float _z)
	Assignment from values. More...

inline_ Point &	Set (const float f[3])
	Assignment from array. More...

inline_ Point &	Set (const Point &src)
	Assignment from another point. More...

inline_ Point &	Add (const Point &p)
	Adds a vector. More...

inline_ Point &	Add (float _x, float _y, float _z)
	Adds a vector. More...

inline_ Point &	Add (const float f[3])
	Adds a vector. More...

inline_ Point &	Add (const Point &p, const Point &q)
	Adds vectors. More...

inline_ Point &	Sub (const Point &p)
	Subtracts a vector. More...

inline_ Point &	Sub (float _x, float _y, float _z)
	Subtracts a vector. More...

inline_ Point &	Sub (const float f[3])
	Subtracts a vector. More...

inline_ Point &	Sub (const Point &p, const Point &q)
	Subtracts vectors. More...

inline_ Point &	Neg ()
	this = -this More...

inline_ Point &	Neg (const Point &a)
	this = -a More...

inline_ Point &	Mult (float s)
	Multiplies by a scalar. More...

inline_ Point &	Mult (const Point &a, float scalar)
	this = a * scalar More...

inline_ Point &	Mac (const Point &a, const Point &b, float scalar)
	this = a + b * scalar More...

inline_ Point &	Mac (const Point &a, float scalar)
	this = this + a * scalar More...

inline_ Point &	Msc (const Point &a, const Point &b, float scalar)
	this = a - b * scalar More...

inline_ Point &	Msc (const Point &a, float scalar)
	this = this - a * scalar More...

inline_ Point &	Mac2 (const Point &a, const Point &b, float scalarb, const Point &c, float scalarc)
	this = a + b * scalarb + c * scalarc More...

inline_ Point &	Msc2 (const Point &a, const Point &b, float scalarb, const Point &c, float scalarc)
	this = a - b * scalarb - c * scalarc More...

inline_ Point &	Mult (const Matrix3x3 &mat, const Point &a)
	this = mat * a More...

inline_ Point &	Mult2 (const Matrix3x3 &mat1, const Point &a1, const Matrix3x3 &mat2, const Point &a2)
	this = mat1 * a1 + mat2 * a2 More...

inline_ Point &	Mac (const Matrix3x3 &mat, const Point &a)
	this = this + mat * a More...

inline_ Point &	TransMult (const Matrix3x3 &mat, const Point &a)
	this = transpose(mat) * a More...

inline_ Point &	Lerp (const Point &a, const Point &b, float t)
	Linear interpolate between two vectors: this = a + t * (b - a) More...

inline_ Point &	Herp (const Point &p0, const Point &p1, const Point &p2, const Point &p3, float t)

inline_ Point &	Transform (const Point &r, const Matrix3x3 &rotpos, const Point &linpos)
	this = rotpos * r + linpos More...

inline_ Point &	InvTransform (const Point &r, const Matrix3x3 &rotpos, const Point &linpos)
	this = trans(rotpos) * (r - linpos) More...

inline_ float	Min () const
	Returns MIN(x, y, z);. More...

inline_ float	Max () const
	Returns MAX(x, y, z);. More...

inline_ Point &	Min (const Point &p)
	Sets each element to be componentwise minimum. More...

inline_ Point &	Max (const Point &p)
	Sets each element to be componentwise maximum. More...

inline_ Point &	Clamp (float min, float max)
	Clamps each element. More...

inline_ float	SquareMagnitude () const
	Computes square magnitude. More...

inline_ float	Magnitude () const
	Computes magnitude. More...

inline_ float	Volume () const
	Computes volume. More...

inline_ bool	ApproxZero () const
	Checks the point is near zero. More...

inline_ bool	IsZero () const
	Tests for exact zero vector. More...

inline_ bool	IsValid () const
	Checks point validity. More...

void	Tweak (udword coord_mask, udword tweak_mask)
	Slighty moves the point. More...

inline_ void	TweakBigger ()
	Slighty moves the point out. More...

inline_ void	TweakSmaller ()
	Slighty moves the point in. More...

inline_ Point &	Normalize ()
	Normalizes the vector. More...

inline_ Point &	SetLength (float length)
	Sets vector length. More...

inline_ Point &	ClampLength (float limit_length)
	Clamps vector length. More...

inline_ float	Distance (const Point &b) const
	Computes distance to another point. More...

inline_ float	SquareDistance (const Point &b) const
	Computes square distance to another point. More...

inline_ float	Dot (const Point &p) const
	Dot product dp = this\|a. More...

inline_ Point &	Cross (const Point &a, const Point &b)
	Cross product this = a x b. More...

inline_ udword	VectorCode () const
	Vector code ( bitmask = sign(z) \| sign(y) \| sign(x) ) More...

inline_ PointComponent	LargestAxis () const
	Returns largest axis. More...

inline_ PointComponent	ClosestAxis () const
	Returns closest axis. More...

inline_ PointComponent	SmallestAxis () const
	Returns smallest axis. More...

Point &	Refract (const Point &eye, const Point &n, float refractindex, Point &refracted)
	Refracts the point. More...

Point &	ProjectToPlane (const Plane &p)
	Projects the point onto a plane. More...

void	ProjectToScreen (float halfrenderwidth, float halfrenderheight, const Matrix4x4 &mat, HPoint &projected) const
	Projects the point onto the screen. More...

Point &	Unfold (Plane &p, Point &a, Point &b)
	Unfolds the point onto a plane according to edge(a,b) More...

inline_ udword	GetHashValue () const
	Hash function from Ville Miettinen. More...

void	SetNotUsed ()
	Stuff magic values in the point, marking it as explicitely not used. More...

bool	IsNotUsed () const
	Checks the point is marked as not used. More...

inline_ Point	operator- () const
	Unary operator for Point Negate = - Point. More...

inline_ Point	operator+ (const Point &p) const
	Operator for Point Plus = Point + Point. More...

inline_ Point	operator- (const Point &p) const
	Operator for Point Minus = Point - Point. More...

inline_ Point	operator* (const Point &p) const
	Operator for Point Mul = Point * Point. More...

inline_ Point	operator* (float s) const
	Operator for Point Scale = Point * float. More...

inline_ Point	operator/ (const Point &p) const
	Operator for Point Div = Point / Point. More...

inline_ Point	operator/ (float s) const
	Operator for Point Scale = Point / float. More...

inline_ float	operator\| (const Point &p) const
	Operator for float DotProd = Point \| Point. More...

inline_ Point	operator^ (const Point &p) const
	Operator for Point VecProd = Point ^ Point. More...

inline_ Point &	operator+= (const Point &p)
	Operator for Point += Point. More...

inline_ Point &	operator+= (float s)
	Operator for Point += float. More...

inline_ Point &	operator-= (const Point &p)
	Operator for Point -= Point. More...

inline_ Point &	operator-= (float s)
	Operator for Point -= float. More...

inline_ Point &	operator*= (const Point &p)
	Operator for Point *= Point. More...

inline_ Point &	operator*= (float s)
	Operator for Point *= float. More...

inline_ Point &	operator/= (const Point &p)
	Operator for Point /= Point. More...

inline_ Point &	operator/= (float s)
	Operator for Point /= float. More...

inline_ bool	operator== (const Point &p) const
	Operator for "if(Point==Point)". More...

inline_ bool	operator!= (const Point &p) const
	Operator for "if(Point!=Point)". More...

inline_ Point	operator* (const Matrix3x3 &mat) const
	Operator for Point Mul = Point * Matrix3x3. More...

inline_ Point	operator* (const Matrix4x4 &mat) const
	Operator for Point Mul = Point * Matrix4x4. More...

inline_ Point &	operator*= (const Matrix3x3 &mat)
	Operator for Point *= Matrix3x3. More...

inline_ Point &	operator*= (const Matrix4x4 &mat)
	Operator for Point *= Matrix4x4. More...

	operator HPoint () const
	Cast a Point to a HPoint. w is set to zero. More...

inline_ float	operator[] (int n) const

inline_ float &	operator[] (int n)

Public Attributes
float	x

float	y

float	z

Friends
inline_ friend Point	operator* (float s, const Point &p)
	Operator for Point Scale = float * Point. More...

inline_ friend Point	operator/ (float s, const Point &p)
	Operator for Point Scale = float / Point. More...

Detailed Description

Definition at line 26 of file Opcode.h.

Constructor & Destructor Documentation

inline_ Opcode::Point::Point ( )

inline

Empty constructor.

Definition at line 31 of file Opcode.h.

Referenced by Opcode::HPoint::operator*().

39 {

inline_ Opcode::Point::Point	(	float	_x,
		float	_y,
		float	_z
	)

inline

Constructor from a single float.

Constructor from floats

Definition at line 36 of file Opcode.h.

39 {

inline_ Opcode::Point::Point ( const float f[3])

inline

Constructor from array.

Definition at line 38 of file Opcode.h.

39 {

inline_ Opcode::Point::Point ( const Point & p)

inline

Copy constructor.

Definition at line 40 of file Opcode.h.

inline_ Opcode::Point::~Point ( )

inline

Destructor.

Definition at line 42 of file Opcode.h.

Member Function Documentation

inline_ Point& Opcode::Point::Add ( const Point & p)

inline

Adds a vector.

Definition at line 65 of file Opcode.h.

inline_ Point& Opcode::Point::Add	(	float	_x,
		float	_y,
		float	_z
	)

inline

Adds a vector.

Definition at line 67 of file Opcode.h.

inline_ Point& Opcode::Point::Add ( const float f[3])

inline

Adds a vector.

Definition at line 69 of file Opcode.h.

inline_ Point& Opcode::Point::Add	(	const Point &	p,
		const Point &	q
	)

inline

Adds vectors.

Definition at line 71 of file Opcode.h.

inline_ bool Opcode::Point::ApproxZero ( ) const

inline

Checks the point is near zero.

Definition at line 225 of file Opcode.h.

inline_ Point& Opcode::Point::Clamp	(	float	min,
		float	max
	)

inline

Clamps each element.

Definition at line 209 of file Opcode.h.

inline_ Point& Opcode::Point::ClampLength ( float limit_length)

inline

Clamps vector length.

Definition at line 294 of file Opcode.h.

inline_ PointComponent Opcode::Point::ClosestAxis ( ) const

inline

Returns closest axis.

Definition at line 352 of file Opcode.h.

inline_ Point& Opcode::Point::Cross	(	const Point &	a,
		const Point &	b
	)

inline

Cross product this = a x b.

Definition at line 327 of file Opcode.h.

inline_ float Opcode::Point::Distance ( const Point & b) const

inline

Computes distance to another point.

Definition at line 312 of file Opcode.h.

inline_ float Opcode::Point::Dot ( const Point & p) const

inline

Dot product dp = this|a.

Definition at line 324 of file Opcode.h.

inline_ udword Opcode::Point::GetHashValue ( ) const

inline

Hash function from Ville Miettinen.

Definition at line 384 of file Opcode.h.

inline_ Point& Opcode::Point::Herp	(	const Point &	p0,
		const Point &	p1,
		const Point &	p2,
		const Point &	p3,
		float	t
	)

inline

Hermite interpolate between p1 and p2. p0 and p3 are used for finding gradient at p1 and p2. this = p0 * (2t^2 - t^3 - t)/2

p1 * (3t^3 - 5t^2 + 2)/2
p2 * (4t^2 - 3t^3 + t)/2
p3 * (t^3 - t^2)/2

Definition at line 179 of file Opcode.h.

Point & Point::InvTransform	(	const Point &	r,
		const Matrix3x3 &	rotpos,
		const Point &	linpos
	)

this = trans(rotpos) * (r - linpos)

Definition at line 185 of file IcePoint.cpp.

References Opcode::Matrix3x3::m, x, y, and z.

 {
     float sx = r.x - linpos.x;
     float sy = r.y - linpos.y;
     float sz = r.z - linpos.z;
     x = sx * rotpos.m[0][0] + sy * rotpos.m[1][0] + sz * rotpos.m[2][0];
     y = sx * rotpos.m[0][1] + sy * rotpos.m[1][1] + sz * rotpos.m[2][1];
     z = sx * rotpos.m[0][2] + sy * rotpos.m[1][2] + sz * rotpos.m[2][2];
     return *this;
 }

bool Point::IsNotUsed ( ) const

Checks the point is marked as not used.

Definition at line 137 of file IcePoint.cpp.

References FALSE, IR, TRUE, x, y, and z.

 {
     if(IR(x)!=0xffffffff)   return FALSE;
     if(IR(y)!=0xffffffff)   return FALSE;
     if(IR(z)!=0xffffffff)   return FALSE;
     return TRUE;
 }

inline_ bool Opcode::Point::IsValid ( ) const

inline

Checks point validity.

Definition at line 235 of file Opcode.h.

inline_ bool Opcode::Point::IsZero ( ) const

inline

Tests for exact zero vector.

Definition at line 228 of file Opcode.h.

inline_ PointComponent Opcode::Point::LargestAxis ( ) const

inline

Returns largest axis.

Definition at line 342 of file Opcode.h.

inline_ Point& Opcode::Point::Lerp	(	const Point &	a,
		const Point &	b,
		float	t
	)

inline

Linear interpolate between two vectors: this = a + t * (b - a)

Definition at line 166 of file Opcode.h.

inline_ Point& Opcode::Point::Mac	(	const Point &	a,
		const Point &	b,
		float	scalar
	)

inline

this = a + b * scalar

Definition at line 100 of file Opcode.h.

inline_ Point& Opcode::Point::Mac	(	const Point &	a,
		float	scalar
	)

inline

this = this + a * scalar

Definition at line 109 of file Opcode.h.

Point & Point::Mac	(	const Matrix3x3 &	mat,
		const Point &	a
	)

this = this + mat * a

Definition at line 161 of file IcePoint.cpp.

References Opcode::Matrix3x3::m, x, y, and z.

 {
     x += a.x * mat.m[0][0] + a.y * mat.m[0][1] + a.z * mat.m[0][2];
     y += a.x * mat.m[1][0] + a.y * mat.m[1][1] + a.z * mat.m[1][2];
     z += a.x * mat.m[2][0] + a.y * mat.m[2][1] + a.z * mat.m[2][2];
     return *this;
 }

inline_ Point& Opcode::Point::Mac2	(	const Point &	a,
		const Point &	b,
		float	scalarb,
		const Point &	c,
		float	scalarc
	)

inline

this = a + b * scalarb + c * scalarc

Definition at line 136 of file Opcode.h.

inline_ float Opcode::Point::Magnitude ( ) const

inline

Computes magnitude.

Definition at line 220 of file Opcode.h.

Referenced by Angle().

inline_ float Opcode::Point::Max ( ) const

inline

Returns MAX(x, y, z);.

Definition at line 202 of file Opcode.h.

Referenced by Opcode::OPComputeMinMax(), and OPComputeMinMax().

inline_ Point& Opcode::Point::Max ( const Point & p)

inline

Sets each element to be componentwise maximum.

Definition at line 206 of file Opcode.h.

inline_ float Opcode::Point::Min ( ) const

inline

Returns MIN(x, y, z);.

Definition at line 200 of file Opcode.h.

Referenced by Opcode::OPComputeMinMax(), and OPComputeMinMax().

inline_ Point& Opcode::Point::Min ( const Point & p)

inline

Sets each element to be componentwise minimum.

Definition at line 204 of file Opcode.h.

inline_ Point& Opcode::Point::Msc	(	const Point &	a,
		const Point &	b,
		float	scalar
	)

inline

this = a - b * scalar

Definition at line 118 of file Opcode.h.

inline_ Point& Opcode::Point::Msc	(	const Point &	a,
		float	scalar
	)

inline

this = this - a * scalar

Definition at line 127 of file Opcode.h.

inline_ Point& Opcode::Point::Msc2	(	const Point &	a,
		const Point &	b,
		float	scalarb,
		const Point &	c,
		float	scalarc
	)

inline

this = a - b * scalarb - c * scalarc

Definition at line 145 of file Opcode.h.

inline_ Point& Opcode::Point::Mult ( float s)

inline

Multiplies by a scalar.

Definition at line 88 of file Opcode.h.

inline_ Point& Opcode::Point::Mult	(	const Point &	a,
		float	scalar
	)

inline

this = a * scalar

Definition at line 91 of file Opcode.h.

Point & Point::Mult	(	const Matrix3x3 &	mat,
		const Point &	a
	)

this = mat * a

Definition at line 145 of file IcePoint.cpp.

References Opcode::Matrix3x3::m, x, y, and z.

 {
     x = a.x * mat.m[0][0] + a.y * mat.m[0][1] + a.z * mat.m[0][2];
     y = a.x * mat.m[1][0] + a.y * mat.m[1][1] + a.z * mat.m[1][2];
     z = a.x * mat.m[2][0] + a.y * mat.m[2][1] + a.z * mat.m[2][2];
     return *this;
 }

Point & Point::Mult2	(	const Matrix3x3 &	mat1,
		const Point &	a1,
		const Matrix3x3 &	mat2,
		const Point &	a2
	)

this = mat1 * a1 + mat2 * a2

Definition at line 153 of file IcePoint.cpp.

References Opcode::Matrix3x3::m, x, y, and z.

 {
     x = a1.x * mat1.m[0][0] + a1.y * mat1.m[0][1] + a1.z * mat1.m[0][2] + a2.x * mat2.m[0][0] + a2.y * mat2.m[0][1] + a2.z * mat2.m[0][2];
     y = a1.x * mat1.m[1][0] + a1.y * mat1.m[1][1] + a1.z * mat1.m[1][2] + a2.x * mat2.m[1][0] + a2.y * mat2.m[1][1] + a2.z * mat2.m[1][2];
     z = a1.x * mat1.m[2][0] + a1.y * mat1.m[2][1] + a1.z * mat1.m[2][2] + a2.x * mat2.m[2][0] + a2.y * mat2.m[2][1] + a2.z * mat2.m[2][2];
     return *this;
 }

inline_ Point& Opcode::Point::Neg ( )

inline

this = -this

Definition at line 83 of file Opcode.h.

inline_ Point& Opcode::Point::Neg ( const Point & a)

inline

this = -a

Definition at line 85 of file Opcode.h.

inline_ Point& Opcode::Point::Normalize ( )

inline

Normalizes the vector.

Definition at line 270 of file Opcode.h.

Referenced by Opcode::Triangle::Inflate().

Point::operator HPoint ( ) const

Cast a Point to a HPoint. w is set to zero.

Definition at line 86 of file IcePoint.cpp.

References f, x, y, and z.

86 { return HPoint(x, y, z, 0.0f); }

inline_ bool Opcode::Point::operator!= ( const Point & p) const

inline

Operator for "if(Point!=Point)".

Definition at line 456 of file Opcode.h.

inline_ Point Opcode::Point::operator* ( const Point & p) const

inline

Operator for Point Mul = Point * Point.

Definition at line 407 of file Opcode.h.

inline_ Point Opcode::Point::operator* ( float s) const

inline

Operator for Point Scale = Point * float.

Definition at line 409 of file Opcode.h.

inline_ Point Opcode::Point::operator* ( const Matrix3x3 & mat) const

inline

Operator for Point Mul = Point * Matrix3x3.

Definition at line 461 of file Opcode.h.

inline_ Point Opcode::Point::operator* ( const Matrix4x4 & mat) const

inline

Operator for Point Mul = Point * Matrix4x4.

Definition at line 473 of file Opcode.h.

inline_ Point& Opcode::Point::operator*= ( const Point & p)

inline

Operator for Point *= Point.

Definition at line 442 of file Opcode.h.

inline_ Point& Opcode::Point::operator*= ( float s)

inline

Operator for Point *= float.

Definition at line 444 of file Opcode.h.

inline_ Point& Opcode::Point::operator*= ( const Matrix3x3 & mat)

inline

Operator for Point *= Matrix3x3.

Definition at line 485 of file Opcode.h.

inline_ Point& Opcode::Point::operator*= ( const Matrix4x4 & mat)

inline

Operator for Point *= Matrix4x4.

Definition at line 500 of file Opcode.h.

inline_ Point Opcode::Point::operator+ ( const Point & p) const

inline

Operator for Point Plus = Point + Point.

Definition at line 402 of file Opcode.h.

inline_ Point& Opcode::Point::operator+= ( const Point & p)

inline

Operator for Point += Point.

Definition at line 432 of file Opcode.h.

inline_ Point& Opcode::Point::operator+= ( float s)

inline

Operator for Point += float.

Definition at line 434 of file Opcode.h.

inline_ Point Opcode::Point::operator- ( ) const

inline

Unary operator for Point Negate = - Point.

Definition at line 399 of file Opcode.h.

inline_ Point Opcode::Point::operator- ( const Point & p) const

inline

Operator for Point Minus = Point - Point.

Definition at line 404 of file Opcode.h.

inline_ Point& Opcode::Point::operator-= ( const Point & p)

inline

Operator for Point -= Point.

Definition at line 437 of file Opcode.h.

inline_ Point& Opcode::Point::operator-= ( float s)

inline

Operator for Point -= float.

Definition at line 439 of file Opcode.h.

inline_ Point Opcode::Point::operator/ ( const Point & p) const

inline

Operator for Point Div = Point / Point.

Definition at line 414 of file Opcode.h.

inline_ Point Opcode::Point::operator/ ( float s) const

inline

Operator for Point Scale = Point / float.

Definition at line 416 of file Opcode.h.

inline_ Point& Opcode::Point::operator/= ( const Point & p)

inline

Operator for Point /= Point.

Definition at line 447 of file Opcode.h.

inline_ Point& Opcode::Point::operator/= ( float s)

inline

Operator for Point /= float.

Definition at line 449 of file Opcode.h.

inline_ bool Opcode::Point::operator== ( const Point & p) const

inline

Operator for "if(Point==Point)".

Definition at line 454 of file Opcode.h.

inline_ float Opcode::Point::operator[] ( int n) const

inline

Definition at line 519 of file Opcode.h.

inline_ float& Opcode::Point::operator[] ( int n)

inline

Definition at line 520 of file Opcode.h.

inline_ Point Opcode::Point::operator^ ( const Point & p) const

inline

Operator for Point VecProd = Point ^ Point.

Definition at line 423 of file Opcode.h.

inline_ float Opcode::Point::operator| ( const Point & p) const

inline

Operator for float DotProd = Point | Point.

Definition at line 421 of file Opcode.h.

Point & Point::PositiveUnitRandomVector ( )

Sets positive unit random vector.

Creates a positive unit random vector.

Returns: Self-reference

Definition at line 60 of file IcePoint.cpp.

 {
     x = UnitRandomFloat();
     y = UnitRandomFloat();
     z = UnitRandomFloat();
     Normalize();
     return *this;
 }

Point & Point::ProjectToPlane ( const Plane & p)

Projects the point onto a plane.

Definition at line 110 of file IcePoint.cpp.

References Opcode::Plane::d, and Opcode::Plane::n.

 {
     *this-= (p.d + (*this|p.n))*p.n;
     return *this;
 }

void Point::ProjectToScreen	(	float	halfrenderwidth,
		float	halfrenderheight,
		const Matrix4x4 &	mat,
		HPoint &	projected
	)		const

Projects the point onto the screen.

Definition at line 116 of file IcePoint.cpp.

References f, Opcode::HPoint::w, x, y, and z.

 {
     projected = HPoint(x, y, z, 1.0f) * mat;
     projected.w = 1.0f / projected.w;
 
     projected.x*=projected.w;
     projected.y*=projected.w;
     projected.z*=projected.w;
 
     projected.x *= halfrenderwidth;     projected.x += halfrenderwidth;
     projected.y *= -halfrenderheight;   projected.y += halfrenderheight;
 }

Point & Point::Refract	(	const Point &	eye,
		const Point &	n,
		float	refractindex,
		Point &	refracted
	)

Refracts the point.

Definition at line 88 of file IcePoint.cpp.

References x, y, and z.

 {
     //  Point EyePt = eye position
     //  Point p = current vertex
     //  Point n = vertex normal
     //  Point rv = refracted vector
     //  Eye vector - doesn't need to be normalized
     Point Env;
     Env.x = eye.x - x;
     Env.y = eye.y - y;
     Env.z = eye.z - z;
 
     float NDotE = n|Env;
     float NDotN = n|n;
     NDotE /= refractindex;
 
     // Refracted vector
     refracted = n*NDotE - Env*NDotN;
 
     return *this;
 }

inline_ Point& Opcode::Point::Set	(	float	_x,
		float	_y,
		float	_z
	)

inline

Assignment from values.

Definition at line 58 of file Opcode.h.

inline_ Point& Opcode::Point::Set ( const float f[3])

inline

Assignment from array.

Definition at line 60 of file Opcode.h.

inline_ Point& Opcode::Point::Set ( const Point & src)

inline

Assignment from another point.

Definition at line 62 of file Opcode.h.

inline_ Point& Opcode::Point::SetLength ( float length)

inline

Sets vector length.

Definition at line 284 of file Opcode.h.

inline_ Point& Opcode::Point::SetMinusInfinity ( )

inline

infinity

Definition at line 50 of file Opcode.h.

void Point::SetNotUsed ( )

Stuff magic values in the point, marking it as explicitely not used.

Definition at line 129 of file IcePoint.cpp.

References IR, x, y, and z.

 {
     // We use a particular integer pattern : 0xffffffff everywhere. This is a NAN.
     IR(x) = 0xffffffff;
     IR(y) = 0xffffffff;
     IR(z) = 0xffffffff;
 }

inline_ Point& Opcode::Point::SetPlusInfinity ( )

inline

infinity

Definition at line 48 of file Opcode.h.

inline_ PointComponent Opcode::Point::SmallestAxis ( ) const

inline

Returns smallest axis.

Definition at line 362 of file Opcode.h.

inline_ float Opcode::Point::SquareDistance ( const Point & b) const

inline

Computes square distance to another point.

Definition at line 318 of file Opcode.h.

inline_ float Opcode::Point::SquareMagnitude ( ) const

inline

Computes square magnitude.

Definition at line 218 of file Opcode.h.

Referenced by Opcode::Ray::SquareDistance(), and Opcode::Segment::SquareDistance().

inline_ Point& Opcode::Point::Sub ( const Point & p)

inline

Subtracts a vector.

Definition at line 74 of file Opcode.h.

inline_ Point& Opcode::Point::Sub	(	float	_x,
		float	_y,
		float	_z
	)

inline

Subtracts a vector.

Definition at line 76 of file Opcode.h.

inline_ Point& Opcode::Point::Sub ( const float f[3])

inline

Subtracts a vector.

Definition at line 78 of file Opcode.h.

inline_ Point& Opcode::Point::Sub	(	const Point &	p,
		const Point &	q
	)

inline

Subtracts vectors.

Definition at line 80 of file Opcode.h.

Point & Point::Transform	(	const Point &	r,
		const Matrix3x3 &	rotpos,
		const Point &	linpos
	)

this = rotpos * r + linpos

Definition at line 177 of file IcePoint.cpp.

References Opcode::Matrix3x3::m, x, y, and z.

 {
     x = r.x * rotpos.m[0][0] + r.y * rotpos.m[0][1] + r.z * rotpos.m[0][2] + linpos.x;
     y = r.x * rotpos.m[1][0] + r.y * rotpos.m[1][1] + r.z * rotpos.m[1][2] + linpos.y;
     z = r.x * rotpos.m[2][0] + r.y * rotpos.m[2][1] + r.z * rotpos.m[2][2] + linpos.z;
     return *this;
 }

Point & Point::TransMult	(	const Matrix3x3 &	mat,
		const Point &	a
	)

this = transpose(mat) * a

Definition at line 169 of file IcePoint.cpp.

References Opcode::Matrix3x3::m, x, y, and z.

 {
     x = a.x * mat.m[0][0] + a.y * mat.m[1][0] + a.z * mat.m[2][0];
     y = a.x * mat.m[0][1] + a.y * mat.m[1][1] + a.z * mat.m[2][1];
     z = a.x * mat.m[0][2] + a.y * mat.m[1][2] + a.z * mat.m[2][2];
     return *this;
 }

void Opcode::Point::Tweak	(	udword	coord_mask,
		udword	tweak_mask
	)

inline

Slighty moves the point.

Definition at line 244 of file Opcode.h.

inline_ void Opcode::Point::TweakBigger ( )

inline

Slighty moves the point out.

Definition at line 254 of file Opcode.h.

inline_ void Opcode::Point::TweakSmaller ( )

inline

Slighty moves the point in.

Definition at line 262 of file Opcode.h.

Point& Opcode::Point::Unfold	(	Plane &	p,
		Point &	a,
		Point &	b
	)

Unfolds the point onto a plane according to edge(a,b)

Point & Point::UnitRandomVector ( )

Sets unit random vector.

Creates a unit random vector.

Returns: Self-reference

Definition at line 75 of file IcePoint.cpp.

 {
     x = UnitRandomFloat() - 0.5f;
     y = UnitRandomFloat() - 0.5f;
     z = UnitRandomFloat() - 0.5f;
     Normalize();
     return *this;
 }

inline_ udword Opcode::Point::VectorCode ( ) const

inline

Vector code ( bitmask = sign(z) | sign(y) | sign(x) )

Definition at line 336 of file Opcode.h.

inline_ float Opcode::Point::Volume ( ) const

inline

Computes volume.

Definition at line 222 of file Opcode.h.

inline_ Point& Opcode::Point::Zero ( )

inline

Clears the vector.

Definition at line 45 of file Opcode.h.

Friends And Related Function Documentation

inline_ friend Point operator*	(	float	s,
		const Point &	p
	)

friend

Operator for Point Scale = float * Point.

Definition at line 411 of file Opcode.h.

inline_ friend Point operator/	(	float	s,
		const Point &	p
	)

friend

Operator for Point Scale = float / Point.

Definition at line 418 of file Opcode.h.

Member Data Documentation

float Opcode::Point::x

Definition at line 523 of file Opcode.h.

Referenced by ContinuousTerrain::Collide(), csVector3::Cross(), Unit::InsideCollideTree(), InvTransform(), IsNotUsed(), Mac(), Mult(), Mult2(), Opcode::OPComputeMinMax(), OPComputeMinMax(), Opcode::HPoint::operator*(), Opcode::HPoint::operator*=(), ProjectToScreen(), Refract(), SetNotUsed(), Transform(), and TransMult().

float Opcode::Point::y

Definition at line 523 of file Opcode.h.

Referenced by ContinuousTerrain::Collide(), csVector3::Cross(), Unit::InsideCollideTree(), InvTransform(), IsNotUsed(), Mac(), Mult(), Mult2(), Opcode::OPComputeMinMax(), OPComputeMinMax(), Opcode::HPoint::operator*(), Opcode::HPoint::operator*=(), ProjectToScreen(), Refract(), SetNotUsed(), Transform(), and TransMult().

float Opcode::Point::z

Definition at line 523 of file Opcode.h.

Referenced by ContinuousTerrain::Collide(), csVector3::Cross(), Unit::InsideCollideTree(), InvTransform(), IsNotUsed(), Mac(), Mult(), Mult2(), Opcode::OPComputeMinMax(), OPComputeMinMax(), Opcode::HPoint::operator*(), Opcode::HPoint::operator*=(), ProjectToScreen(), Refract(), SetNotUsed(), Transform(), and TransMult().

The documentation for this class was generated from the following files:

src/cmd/collide2/Ice/IcePoint.h
src/cmd/collide2/Ice/IcePoint.cpp

Public Member Functions

Public Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation