Data structure for vector in two dimensions.
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#include <JVector2D.hh>
Data structure for vector in two dimensions.
This class implements the JMATH::JMath interface.
Definition at line 32 of file JVector2D.hh.
◆ JVector2D() [1/2]
JGEOMETRY2D::JVector2D::JVector2D |
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inline |
◆ JVector2D() [2/2]
JGEOMETRY2D::JVector2D::JVector2D |
( |
const double | x, |
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const double | y ) |
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inline |
◆ getX()
double JGEOMETRY2D::JVector2D::getX |
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const |
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inline |
Get x position.
- Returns
- x position
Definition at line 63 of file JVector2D.hh.
◆ getY()
double JGEOMETRY2D::JVector2D::getY |
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const |
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inline |
Get y position.
- Returns
- y position
Definition at line 74 of file JVector2D.hh.
◆ negate()
JVector2D & JGEOMETRY2D::JVector2D::negate |
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inline |
Negate vector.
- Returns
- this vector
Definition at line 85 of file JVector2D.hh.
86 {
89
90 return *this;
91 }
◆ add()
Add vector.
- Parameters
-
- Returns
- this vector
Definition at line 100 of file JVector2D.hh.
101 {
102 __x += vector.getX();
103 __y += vector.getY();
104
105 return *this;
106 }
◆ sub()
Subtract vector.
- Parameters
-
- Returns
- this vector
Definition at line 115 of file JVector2D.hh.
116 {
117 __x -= vector.getX();
118 __y -= vector.getY();
119
120 return *this;
121 }
◆ mul() [1/2]
JVector2D & JGEOMETRY2D::JVector2D::mul |
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const double | factor | ) |
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inline |
Scale vector.
- Parameters
-
factor | multiplication factor |
- Returns
- this vector
Definition at line 130 of file JVector2D.hh.
131 {
134
135 return *this;
136 }
◆ div()
JVector2D & JGEOMETRY2D::JVector2D::div |
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const double | factor | ) |
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inline |
Scale vector.
- Parameters
-
- Returns
- this vector
Definition at line 145 of file JVector2D.hh.
146 {
149
150 return *this;
151 }
◆ transform()
Transform.
- Parameters
-
- Returns
- this vector
Definition at line 160 of file JVector2D.hh.
161 {
163
164 return *this;
165 }
◆ equals()
bool JGEOMETRY2D::JVector2D::equals |
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const JVector2D & | vector, |
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const double | precision = std::numeric_limits<double>::min() ) const |
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inline |
Check equality.
- Parameters
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vector | vector |
precision | precision |
- Returns
- true if vectors are equal; else false
Definition at line 175 of file JVector2D.hh.
177 {
178 return (fabs(
getX() - vector.getX()) <= precision &&
179 fabs(
getY() - vector.getY()) <= precision);
180 }
double getY() const
Get y position.
double getX() const
Get x position.
◆ getLengthSquared()
double JGEOMETRY2D::JVector2D::getLengthSquared |
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const |
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inline |
Get length squared.
- Returns
- square of length
Definition at line 188 of file JVector2D.hh.
◆ getLength()
double JGEOMETRY2D::JVector2D::getLength |
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const |
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inline |
Get length.
- Returns
- length
Definition at line 199 of file JVector2D.hh.
200 {
202 }
double getLengthSquared() const
Get length squared.
◆ getDistanceSquared()
double JGEOMETRY2D::JVector2D::getDistanceSquared |
( |
const JVector2D & | point | ) |
const |
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inline |
Get squared of distance to point.
- Parameters
-
- Returns
- square of distance
Definition at line 211 of file JVector2D.hh.
212 {
213 return JVector2D(point).sub(*this).getLengthSquared();
214 }
JVector2D()
Default constructor.
◆ getDistance()
double JGEOMETRY2D::JVector2D::getDistance |
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const JVector2D & | point | ) |
const |
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inline |
Get distance to point.
- Parameters
-
- Returns
- distance
Definition at line 223 of file JVector2D.hh.
224 {
226 }
double getDistanceSquared(const JVector2D &point) const
Get squared of distance to point.
◆ getDot()
double JGEOMETRY2D::JVector2D::getDot |
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const JVector2D & | point | ) |
const |
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inline |
Get dot product.
- Parameters
-
- Returns
- dot product
Definition at line 235 of file JVector2D.hh.
236 {
237 return
238 getX() * point.getX() +
239 getY() * point.getY();
240 }
◆ getPerpDot()
double JGEOMETRY2D::JVector2D::getPerpDot |
( |
const JVector2D & | point | ) |
const |
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inline |
Get perpendicular dot product.
- Parameters
-
- Returns
- perpendicular dot product
Definition at line 249 of file JVector2D.hh.
250 {
251 return
252 getX() * point.getY() -
253 getY() * point.getX();
254 }
◆ mul() [2/2]
template<class JFirst_t , class JSecond_t >
JFirst_t & JMATH::JMath< JFirst_t, JSecond_t >::mul |
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const JSecond_t & | object | ) |
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inlineinherited |
Multiply with object.
- Parameters
-
- Returns
- result object
Definition at line 354 of file JMath.hh.
355 {
356 return static_cast<JFirst_t&>(*this) = JFirst_t().mul(static_cast<const JFirst_t&>(*this), object);
357 }
◆ __x
double JGEOMETRY2D::JVector2D::__x |
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protected |
◆ __y
double JGEOMETRY2D::JVector2D::__y |
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protected |
The documentation for this class was generated from the following file: