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rcsc::Circle2D Class Reference
2d circle class More...
#include <circle_2d.h>
Inheritance diagram for rcsc::Circle2D:
Public Member Functions | |
| Circle2D () | |
| create a zero area circle at (0,0) | |
| Circle2D (const Vector2D &c, const double &r) | |
| construct with center point and radius value. | |
| const Circle2D & | assign (const Vector2D &c, const double &r) |
| assign new value. | |
| virtual double | area () const |
| get the area value of this circle | |
| virtual bool | contains (const Vector2D &point) const |
| check if point is within this region | |
| const Vector2D & | center () const |
| get the center point | |
| const double & | radius () const |
| get the radius value | |
| int | intersection (const Line2D &line, Vector2D *sol1, Vector2D *sol2) const |
| caluclate the intersection with straight line | |
| int | intersection (const Ray2D &ray, Vector2D *sol1, Vector2D *sol2) const |
| calculate the intersection with ray line | |
| int | intersection (const Segment2D &segment, Vector2D *sol1, Vector2D *sol2) const |
| calculate the intersection with segment line | |
| int | intersection (const Circle2D &circle, Vector2D *sol1, Vector2D *sol2) const |
| calculate the intersection with another circle | |
| bool | HasIntersection (Line2D line) |
| HasIntersection : check that this Line2D Has Intersection with circle or not. | |
| bool | HasIntersection (Line2D line, float SF) |
| HasIntersection( : check that this line Has Intersection with this circle or not , and a safety factor for distance to center. | |
| bool | HasIntersection (Segment2D Seg) |
| HasIntersection : check that this segment Has Intersection with circle or not. | |
| bool | HasIntersection (Segment2D Seg, float SF) |
| HasIntersection( : check that this segment Has Intersection with this circle or not , and a safety factor for distance to center. | |
| Vector2D | nearestpoint (Vector2D pnt) |
| Intersect : If HasIntersection, return intersec point. | |
| Public Member Functions inherited from rcsc::Region2D | |
| virtual | ~Region2D () |
| virtual destructor. | |
Static Public Member Functions | |
| static Circle2D | circumcircle (const Vector2D &p0, const Vector2D &p1, const Vector2D &p2) |
| get the circle through three points (circumcircle of the triangle). | |
| static bool | contains (const Vector2D &point, const Vector2D &p0, const Vector2D &p1, const Vector2D &p2) |
| check if the circumcircle contains the input point | |
Additional Inherited Members | |
| Protected Member Functions inherited from rcsc::Region2D | |
| Region2D () | |
| accessible only from derived classes | |
Detailed Description
2d circle class
Constructor & Destructor Documentation
◆ Circle2D()
|
inline |
construct with center point and radius value.
- Parameters
-
c center point r radius value
Member Function Documentation
◆ area()
|
inlinevirtual |
◆ assign()
assign new value.
- Parameters
-
c center point r radius value
- Returns
- const reference to this
◆ center()
|
inline |
get the center point
- Returns
- center point coordinate value
◆ circumcircle()
|
static |
get the circle through three points (circumcircle of the triangle).
- Parameters
-
p0 triangle's 1st vertex p1 triangle's 2nd vertex p2 triangle's 3rd vertex
- Returns
- coordinates of circumcenter
◆ contains() [1/2]
|
inlinevirtual |
check if point is within this region
- Parameters
-
point considered point
- Returns
- true if point is contained by this circle
Implements rcsc::Region2D.
◆ contains() [2/2]
|
static |
check if the circumcircle contains the input point
- Parameters
-
point input point p0 triangle's 1st vertex p1 triangle's 2nd vertex p2 triangle's 3rd vertex
- Returns
- true if circumcircle contains the point, otherwise false.
◆ HasIntersection() [1/4]
| bool rcsc::Circle2D::HasIntersection | ( | Line2D | line | ) |
HasIntersection : check that this Line2D Has Intersection with circle or not.
- Parameters
-
point
- Returns
◆ HasIntersection() [2/4]
| bool rcsc::Circle2D::HasIntersection | ( | Line2D | line, |
| float | SF ) |
HasIntersection( : check that this line Has Intersection with this circle or not , and a safety factor for distance to center.
- Parameters
-
point,SafetyFactor
- Returns
◆ HasIntersection() [3/4]
| bool rcsc::Circle2D::HasIntersection | ( | Segment2D | Seg | ) |
HasIntersection : check that this segment Has Intersection with circle or not.
- Parameters
-
point
- Returns
◆ HasIntersection() [4/4]
| bool rcsc::Circle2D::HasIntersection | ( | Segment2D | Seg, |
| float | SF ) |
HasIntersection( : check that this segment Has Intersection with this circle or not , and a safety factor for distance to center.
- Parameters
-
point,SafetyFactor
- Returns
◆ intersection() [1/4]
| int rcsc::Circle2D::intersection | ( | const Circle2D & | circle, |
| Vector2D * | sol1, | ||
| Vector2D * | sol2 ) const |
calculate the intersection with another circle
- Parameters
-
circle considerd circle sol1 pointer to the 1st solution variable sol2 pointer to the 2nd solution variable
- Returns
- the number of solution
◆ intersection() [2/4]
caluclate the intersection with straight line
- Parameters
-
line considerd line sol1 pointer to the 1st solution variable sol2 pointer to the 2nd solution variable
- Returns
- the number of solution
◆ intersection() [3/4]
calculate the intersection with ray line
- Parameters
-
ray considerd ray sol1 pointer to the 1st solution variable sol2 pointer to the 2nd solution variable
- Returns
- the number of solution
◆ intersection() [4/4]
| int rcsc::Circle2D::intersection | ( | const Segment2D & | segment, |
| Vector2D * | sol1, | ||
| Vector2D * | sol2 ) const |
calculate the intersection with segment line
- Parameters
-
segment considerd segment line sol1 pointer to the 1st solution variable sol2 pointer to the 2nd solution variable
- Returns
- the number of solution
◆ nearestpoint()
◆ radius()
|
inline |
get the radius value
- Returns
- radius value
The documentation for this class was generated from the following files:
- ui/geom/circle_2d.h
- ui/geom/circle_2d.cpp
