vec2d Class Reference

2d direction vector More...

#include <angelcad.h>

Public Member Functions
	vec2d (const pos2d@ p1, const pos2d@ p2)
	Create direction vector from p1 to p2. More...
	vec2d (const vec2d@ other)
	Construct direction vector from other vector. More...
	vec2d (double x, double y)
	Construct direction vector from x and y components. More...
double	angle (const vec2d@ other) const
	angle between: double rad = v.angle(other); More...
double	cross (const vec2d@ other) const
	cross product: double cp = v.cross(other); More...
double	dot (const vec2d@ other) const
	dot product: double cp = v.dot(other); More...
double	length () const
	length of vector More...
double	x () const
	vector x component More...
double	y () const
	vector y component More...
vec2d@	opAdd (vec2d@ v1)
	Add vector to vector, return new vector: vec2d@ v = v0 + v1. More...
vec2d@	opMul (double f1)
	Multiply vector with factor, return new vector: vec2d@ v = v0 * f1. More...
vec2d@	opMul_r (double f1)
	Multiply vector with factor, return new vector: vec2d@ v = f1 * v0. More...
vec2d@	opSub (vec2d@ v1)
	Subtract vector from vector, return new vector: vec2d@ v = v0 - v1. More...
void	normalise ()
	normalise vector length More...

Detailed Description

2d direction vector

vec2d is a 2-dimensional vector offering useful operations such as dot and cross products.

Constructor & Destructor Documentation

vec2d() [1/3]

vec2d::vec2d	(	const pos2d@	p1,
		const pos2d@	p2
	)

Create direction vector from p1 to p2.

Parameters

p1	pos2d@, vector start position
p2	pos2d@, vector end position

vec2d() [2/3]

vec2d::vec2d

(

const vec2d@

other

)

Construct direction vector from other vector.

Parameters

other

vec2d@

vec2d() [3/3]

vec2d::vec2d	(	double	x,
		double	y
	)

Construct direction vector from x and y components.

Parameters

x	double, vector x component
y	double, vector y component

Member Function Documentation

angle()

double vec2d::angle

(

const vec2d@

other

)

const

angle between: double rad = v.angle(other);

Parameters

other

vec2d@, vector to compute angle relative to this

Returns

double, angle value in radians

cross()

double vec2d::cross

(

const vec2d@

other

)

const

cross product: double cp = v.cross(other);

Parameters

other

vec2d@, vector to multiply with

Returns

double, cross product value

dot()

double vec2d::dot

(

const vec2d@

other

)

const

dot product: double cp = v.dot(other);

Parameters

other

vec2d@, vector to multiply with

Returns

double, dot product value

length()

double vec2d::length

(

)

const

length of vector

Returns

double, length of vector

normalise()

void vec2d::normalise

(

)

normalise vector length

opAdd()

vec2d@ vec2d::opAdd

(

vec2d@

v1

)

Add vector to vector, return new vector: vec2d@ v = v0 + v1.

Parameters

v1

vec2d@

Returns

vec2d@

opMul()

vec2d@ vec2d::opMul

(

double

f1

)

Multiply vector with factor, return new vector: vec2d@ v = v0 * f1.

Parameters

f1

double

Returns

vec2d@

opMul_r()

vec2d@ vec2d::opMul_r

(

double

f1

)

Multiply vector with factor, return new vector: vec2d@ v = f1 * v0.

Parameters

f1

double

Returns

vec2d@

opSub()

vec2d@ vec2d::opSub

(

vec2d@

v1

)

Subtract vector from vector, return new vector: vec2d@ v = v0 - v1.

Parameters

v1

vec2d@

Returns

vec2d@

x()

double vec2d::x

(

)

const

vector x component

Returns

double, vector x component

y()

double vec2d::y

(

)

const

vector y component

Returns

double, vector y component

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

• angelcad.h