kzc_vector2.hpp File Reference

2D vector. More...

#include <kanzi/core/legacy/util/math/kzc_vector3.hpp>
#include <kanzi/core/legacy/kzs_types.hpp>
#include <kanzi/core/legacy/wrappers/kzs_math.hpp>

Classes
struct	KzcVector2
	Structure of 2D vector. More...

Functions
KZ_INLINE struct KzcVector2	kzcVector2 (kzFloat x, kzFloat y)
	Creates a 2D vector. More...
KZ_INLINE kzFloat	kzcVector2GetX (const struct KzcVector2 *vector)
	Gets the X component of a 2D vector. More...
KZ_INLINE kzFloat	kzcVector2GetY (const struct KzcVector2 *vector)
	Gets the Y component of a 2D vector. More...
KZ_INLINE kzFloat *	kzcVector2GetComponents (struct KzcVector2 *vector)
	Gets the underlying component array of a 2D vector. More...
KZ_INLINE void	kzcVector2Set (struct KzcVector2 *vector, kzFloat x, kzFloat y)
	Sets all components for 2D vector. More...
KZ_INLINE void	kzcVector2SetX (struct KzcVector2 *vector, kzFloat x)
	Sets X component for 2D vector. More...
KZ_INLINE void	kzcVector2SetY (struct KzcVector2 *vector, kzFloat y)
	Sets Y component for 2D vector. More...
KZ_INLINE void	kzcVector2Add (const struct KzcVector2 *first, const struct KzcVector2 *second, struct KzcVector2 *targetVector)
	Adds two 2D vectors. More...
KZ_INLINE void	kzcVector2Subtract (const struct KzcVector2 *first, const struct KzcVector2 *second, struct KzcVector2 *targetVector)
	Subtracts two 2D vectors. More...
KZ_INLINE void	kzcVector2ComponentMultiply (const struct KzcVector2 *first, const struct KzcVector2 *second, struct KzcVector2 *targetVector)
	Component-multiplies two 2D vectors. More...
KZ_INLINE void	kzcVector2ComponentDivide (const struct KzcVector2 *first, const struct KzcVector2 *second, struct KzcVector2 *targetVector)
	Component-divides two 2D vectors. More...
KZ_INLINE void	kzcVector2ComponentModulo (const struct KzcVector2 *first, const struct KzcVector2 *second, struct KzcVector2 *targetVector)
	Component-modulo of two 2D vectors. More...
KZ_INLINE void	kzcVector2ComponentAbs (const struct KzcVector2 *vector, struct KzcVector2 *out_vector)
	Abs of a 2D vector. More...
KZ_INLINE void	kzcVector2ComponentCeil (const struct KzcVector2 *vector, struct KzcVector2 *out_vector)
	Ceil of a 2D vector. More...
KZ_INLINE void	kzcVector2ComponentFloor (const struct KzcVector2 *vector, struct KzcVector2 *out_vector)
	Floor of a 2D vector. More...
KZ_INLINE void	kzcVector2ComponentRound (const struct KzcVector2 *vector, struct KzcVector2 *out_vector)
	Round of a 2D vector. More...
KZ_INLINE void	kzcVector2ComponentSqrt (const struct KzcVector2 *vector, struct KzcVector2 *out_vector)
	Square root of a 2D vector component-wise. More...
KZ_INLINE void	kzcVector2ComponentPow (const struct KzcVector2 *vector, kzFloat exponent, struct KzcVector2 *out_vector)
	Raises a 2D vector to power of 'exponent' component-wise. More...
KZ_INLINE void	kzcVector2Scale (const struct KzcVector2 *vector, kzFloat factor, struct KzcVector2 *out_vector)
	Scales 2D vector. More...
KZ_INLINE void	kzcVector2Negate (const struct KzcVector2 *vector, struct KzcVector2 *targetVector)
	Negates 2D vector. More...
KZ_INLINE kzFloat	kzcVector2Dot (const struct KzcVector2 *left, const struct KzcVector2 *right)
	Calculates dot product of two 2D vectors. More...
KZ_INLINE kzFloat	kzcVector2PseudoCross (const struct KzcVector2 *left, const struct KzcVector2 *right)
	Calculates pseudo-cross product of two 2D vectors. More...
KZ_INLINE kzFloat	kzcVector2GetLengthSquared (const struct KzcVector2 *vector)
	Returns length squared of a 2D vector. More...
KZ_INLINE kzFloat	kzcVector2GetLength (const struct KzcVector2 *vector)
	Returns the length of 2D vector. More...
KZ_INLINE kzFloat	kzcVector2Distance (const struct KzcVector2 *vector1, const struct KzcVector2 *vector2)
	Returns the distance between two 2D point vectors. More...
KZ_INLINE void	kzcVector2Normalize (struct KzcVector2 *vector)
	Normalizes a 2D vector. More...
KZ_INLINE void	kzcVector2Reflect (const struct KzcVector2 *vector, const struct KzcVector2 *axis, struct KzcVector2 *targetVector)
	Reflects a 2D vector according to given axis vector. More...
KZ_INLINE kzBool	kzcVector2IsEqual (const struct KzcVector2 *first, const struct KzcVector2 *second)
	Checks if two 2D vectors are equal. More...
KZ_INLINE struct KzcVector3	kzcVector2ToVector3 (const struct KzcVector2 *vector)
	Converts a 2D vector to a 3D vector. More...
KZ_INLINE struct KzcVector2	kzcVector2FromVector3 (const struct KzcVector3 *vector)
	Converts a 3D vector to a 2D vector. More...
KZ_INLINE struct KzcVector2	kzcVector2ComponentMax (const struct KzcVector2 *vectorA, const struct KzcVector2 *vectorB)
	Returns the component maximum of two vectors. More...
KZ_INLINE struct KzcVector2	kzcVector2ComponentMin (const struct KzcVector2 *vectorA, const struct KzcVector2 *vectorB)
	Returns the component minimum of two vectors. More...
KZ_INLINE struct KzcVector2	kzcVector2ComponentStep (const struct KzcVector2 *vectorA, const struct KzcVector2 *vectorB)
	Returns the component-wise step() of two vectors. More...
void	kzcVector2SetInvalid (struct KzcVector2 *vector)
	Sets the vector components to NaN. More...

Variables
KANZI_API const struct KzcVector2	KZC_VECTOR2_ZERO
	Constant zero 2D vector. More...
KANZI_API const struct KzcVector2	KZC_VECTOR2_X_AXIS
	Constant unit 2D vector for X axis. More...
KANZI_API const struct KzcVector2	KZC_VECTOR2_Y_AXIS
	Constant unit 2D vector for Y axis. More...
KANZI_API const struct KzcVector2	KZC_VECTOR2_X_AXIS_NEGATIVE
	Constant unit 2D vector for negative X axis. More...
KANZI_API const struct KzcVector2	KZC_VECTOR2_Y_AXIS_NEGATIVE
	Constant unit 2D vector for negative Y axis. More...

Detailed Description

2D vector.

Copyright 2008-2017 by Rightware. All rights reserved.

Function Documentation

KZ_INLINE struct KzcVector2 kzcVector2	(	kzFloat	x,
		kzFloat	y
	)

Creates a 2D vector.

KZ_INLINE kzFloat kzcVector2GetX

(

const struct KzcVector2 *

vector

)

Gets the X component of a 2D vector.

KZ_INLINE kzFloat kzcVector2GetY

(

const struct KzcVector2 *

vector

)

Gets the Y component of a 2D vector.

KZ_INLINE kzFloat* kzcVector2GetComponents

(

struct KzcVector2 *

vector

)

Gets the underlying component array of a 2D vector.

KZ_INLINE void kzcVector2Set	(	struct KzcVector2 *	vector,
		kzFloat	x,
		kzFloat	y
	)

Sets all components for 2D vector.

KZ_INLINE void kzcVector2SetX	(	struct KzcVector2 *	vector,
		kzFloat	x
	)

Sets X component for 2D vector.

KZ_INLINE void kzcVector2SetY	(	struct KzcVector2 *	vector,
		kzFloat	y
	)

Sets Y component for 2D vector.

KZ_INLINE void kzcVector2Add	(	const struct KzcVector2 *	first,
		const struct KzcVector2 *	second,
		struct KzcVector2 *	targetVector
	)

Adds two 2D vectors.

KZ_INLINE void kzcVector2Subtract	(	const struct KzcVector2 *	first,
		const struct KzcVector2 *	second,
		struct KzcVector2 *	targetVector
	)

Subtracts two 2D vectors.

KZ_INLINE void kzcVector2ComponentMultiply	(	const struct KzcVector2 *	first,
		const struct KzcVector2 *	second,
		struct KzcVector2 *	targetVector
	)

Component-multiplies two 2D vectors.

KZ_INLINE void kzcVector2ComponentDivide	(	const struct KzcVector2 *	first,
		const struct KzcVector2 *	second,
		struct KzcVector2 *	targetVector
	)

Component-divides two 2D vectors.

KZ_INLINE void kzcVector2ComponentModulo	(	const struct KzcVector2 *	first,
		const struct KzcVector2 *	second,
		struct KzcVector2 *	targetVector
	)

Component-modulo of two 2D vectors.

KZ_INLINE void kzcVector2ComponentAbs	(	const struct KzcVector2 *	vector,
		struct KzcVector2 *	out_vector
	)

Abs of a 2D vector.

KZ_INLINE void kzcVector2ComponentCeil	(	const struct KzcVector2 *	vector,
		struct KzcVector2 *	out_vector
	)

Ceil of a 2D vector.

KZ_INLINE void kzcVector2ComponentFloor	(	const struct KzcVector2 *	vector,
		struct KzcVector2 *	out_vector
	)

Floor of a 2D vector.

KZ_INLINE void kzcVector2ComponentRound	(	const struct KzcVector2 *	vector,
		struct KzcVector2 *	out_vector
	)

Round of a 2D vector.

KZ_INLINE void kzcVector2ComponentSqrt	(	const struct KzcVector2 *	vector,
		struct KzcVector2 *	out_vector
	)

Square root of a 2D vector component-wise.

KZ_INLINE void kzcVector2ComponentPow	(	const struct KzcVector2 *	vector,
		kzFloat	exponent,
		struct KzcVector2 *	out_vector
	)

Raises a 2D vector to power of 'exponent' component-wise.

KZ_INLINE void kzcVector2Scale	(	const struct KzcVector2 *	vector,
		kzFloat	factor,
		struct KzcVector2 *	out_vector
	)

Scales 2D vector.

KZ_INLINE void kzcVector2Negate	(	const struct KzcVector2 *	vector,
		struct KzcVector2 *	targetVector
	)

Negates 2D vector.

KZ_INLINE kzFloat kzcVector2Dot	(	const struct KzcVector2 *	left,
		const struct KzcVector2 *	right
	)

Calculates dot product of two 2D vectors.

KZ_INLINE kzFloat kzcVector2PseudoCross	(	const struct KzcVector2 *	left,
		const struct KzcVector2 *	right
	)

Calculates pseudo-cross product of two 2D vectors.

U x V = Uy * Vx - Ux * Vy.

KZ_INLINE kzFloat kzcVector2GetLengthSquared

(

const struct KzcVector2 *

vector

)

Returns length squared of a 2D vector.

KZ_INLINE kzFloat kzcVector2GetLength

(

const struct KzcVector2 *

vector

)

Returns the length of 2D vector.

KZ_INLINE kzFloat kzcVector2Distance	(	const struct KzcVector2 *	vector1,
		const struct KzcVector2 *	vector2
	)

Returns the distance between two 2D point vectors.

KZ_INLINE void kzcVector2Normalize

(

struct KzcVector2 *

vector

)

Normalizes a 2D vector.

KZ_INLINE void kzcVector2Reflect	(	const struct KzcVector2 *	vector,
		const struct KzcVector2 *	axis,
		struct KzcVector2 *	targetVector
	)

Reflects a 2D vector according to given axis vector.

Axis has to be normalized.

KZ_INLINE kzBool kzcVector2IsEqual	(	const struct KzcVector2 *	first,
		const struct KzcVector2 *	second
	)

Checks if two 2D vectors are equal.

KZ_INLINE struct KzcVector3 kzcVector2ToVector3

(

const struct KzcVector2 *

vector

)

Converts a 2D vector to a 3D vector.

Z will be zero.

KZ_INLINE struct KzcVector2 kzcVector2FromVector3

(

const struct KzcVector3 *

vector

)

Converts a 3D vector to a 2D vector.

Z will be discarded.

KZ_INLINE struct KzcVector2 kzcVector2ComponentMax	(	const struct KzcVector2 *	vectorA,
		const struct KzcVector2 *	vectorB
	)

Returns the component maximum of two vectors.

KZ_INLINE struct KzcVector2 kzcVector2ComponentMin	(	const struct KzcVector2 *	vectorA,
		const struct KzcVector2 *	vectorB
	)

Returns the component minimum of two vectors.

KZ_INLINE struct KzcVector2 kzcVector2ComponentStep	(	const struct KzcVector2 *	vectorA,
		const struct KzcVector2 *	vectorB
	)

Returns the component-wise step() of two vectors.

void kzcVector2SetInvalid

(

struct KzcVector2 *

vector

)

Sets the vector components to NaN.

Variable Documentation

KANZI_API const struct KzcVector2 KZC_VECTOR2_ZERO

Constant zero 2D vector.

KANZI_API const struct KzcVector2 KZC_VECTOR2_X_AXIS

Constant unit 2D vector for X axis.

KANZI_API const struct KzcVector2 KZC_VECTOR2_Y_AXIS

Constant unit 2D vector for Y axis.

KANZI_API const struct KzcVector2 KZC_VECTOR2_X_AXIS_NEGATIVE

Constant unit 2D vector for negative X axis.

KANZI_API const struct KzcVector2 KZC_VECTOR2_Y_AXIS_NEGATIVE

Constant unit 2D vector for negative Y axis.