public class Circle extends Shape
positionChangeListeners, sizeChangeListeners
Constructor and Description |
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Circle(Circle circle)
Constructs a
Circle as a copy of another |
Circle(float radius)
Constructs a
Circle at 0,0 with a radius |
Circle(float centerX,
float centerY,
float radius)
Constructs a
Circle with a center and radius |
Circle(Geometry geometry)
|
Modifier and Type | Method and Description |
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boolean |
contains(Circle circle)
Returns if another
Circle is contained within this one |
boolean |
contains(float x,
float y)
Returns if a set of coordinates are contained inside this shape
|
boolean |
contains(Polygon polygon)
|
boolean |
contains(Rectangle rectangle)
|
boolean |
contains(Sizeable shape)
Returns if this shape contains the specified shape
|
boolean |
contains(org.mini2Dx.gdx.math.Vector2 point)
Returns if a
Vector2 is contained inside this shape |
Shape |
copy()
Returns an exact copy of this
Shape |
void |
dispose()
|
void |
draw(Graphics g)
Draws this shape using a
Graphics instance |
EdgeIterator |
edgeIterator()
Returns an
EdgeIterator for looping over the edges of this
Shape |
boolean |
equals(java.lang.Object obj) |
void |
fill(Graphics g)
Fills this shape using a
Graphics instance |
Rectangle |
getBoundingBox()
Returns the bounding box of this
Circle |
float |
getCenterX()
Returns the center x coordinate of this object.
|
float |
getCenterY()
Returns the center y coordinate of this object.
|
float |
getDistanceFromCenter(float x,
float y)
Returns the distance from the center of this
Circle to a point |
float |
getDistanceFromCenter(org.mini2Dx.gdx.math.Vector2 point)
Returns the distance from the center of this
Circle to a point |
float |
getDistanceTo(float x,
float y)
Returns the distance from the edge of this
Circle to a point |
float |
getHeight()
Returns the height of this object
|
float |
getMaxX()
Returns max X coordinate of this object
|
float |
getMaxY()
Returns max Y coordinate of this object
|
float |
getMinX()
Returns min X coordinate of this object
|
float |
getMinY()
Returns min Y coordinate of this object
|
int |
getNumberOfSides()
Returns the number of edges of this object
|
Polygon |
getPolygon()
|
float |
getRadius() |
float |
getRotation()
Returns the rotation of this
Shape |
float |
getWidth()
Returns the width of this object
|
float |
getX()
Returns the x coordinate of this object
|
float |
getY()
Returns the y coordinate of this object
|
int |
hashCode() |
boolean |
intersects(Circle circle)
Returns if the specified
Circle intersects this one |
boolean |
intersects(Rectangle rectangle)
|
boolean |
intersects(Sizeable shape)
Returns if this shape intersects a shape
|
boolean |
intersectsLineSegment(float x1,
float y1,
float x2,
float y2)
Returns if this shape intersects a line segment
|
boolean |
intersectsLineSegment(org.mini2Dx.gdx.math.Vector2 pointA,
org.mini2Dx.gdx.math.Vector2 pointB)
Returns if this shape intersects a line segment
|
boolean |
isCircle()
|
Circle |
lerp(Circle target,
float alpha) |
void |
rotate(float degrees)
Rotates this
Shape by a specified amount of degrees with its
first point as the origin |
void |
rotateAround(float centerX,
float centerY,
float degrees)
Rotates this
Shape by a specified amount of degrees around a
specified point |
void |
scale(float scale)
Scales the radius of this shape.
|
void |
set(Circle circle) |
void |
setCenter(float x,
float y)
Sets the center x,y coordinate of this object
|
void |
setCenterX(float x)
Sets the center x coordinate
|
void |
setCenterY(float y)
Sets the center y coordianate
|
void |
setRadius(float radius)
Sets the radius of this shape.
|
void |
setRotation(float degrees)
Sets the rotation of this
Shape with its first point as the
origin |
void |
setRotationAround(float centerX,
float centerY,
float degrees)
Sets the rotation of this
Shape with a specified point as the
origin |
void |
setX(float x)
Sets the x coordinate of this object
|
void |
setXY(float x,
float y)
Sets the x and y coordinate of this object
|
void |
setY(float y)
Sets the y coordinate of this object
|
void |
translate(float translateX,
float translateY)
Translates the x and y coordinate of this object
|
add, addPostionChangeListener, addSizeChangeListener, clearPositionChangeListeners, clearPositionListeners, clearPositionListeners, clearSizeChangeListeners, clearSizeListeners, clearSizeListeners, getDistanceTo, intersects, moveTowards, moveTowards, notifyPositionChangeListeners, notifyPositionListeners, notifyPositionListeners, notifySizeChangeListeners, notifySizeListeners, notifySizeListeners, removePositionChangeListener, removePositionListener, removePositionListener, removeSizeChangeListener, removeSizeListener, removeSizeListener, setRotationAround, subtract
public Circle(float radius)
Circle
at 0,0 with a radiusradius
- The Circle
radiuspublic Circle(float centerX, float centerY, float radius)
Circle
with a center and radiuscenterX
- The center x coordinatecenterY
- The center y coordinateradius
- The radiuspublic void dispose()
Shape
public boolean contains(org.mini2Dx.gdx.math.Vector2 point)
Sizeable
Vector2
is contained inside this shapepoint
- The Vector2
to checkVector2
public boolean contains(float x, float y)
Sizeable
x
- The x coordinate to checky
- The y coordinate to checkpublic boolean contains(Sizeable shape)
Sizeable
public boolean contains(Circle circle)
Circle
is contained within this onepublic boolean contains(Rectangle rectangle)
public boolean contains(Polygon polygon)
public boolean intersects(Sizeable shape)
Sizeable
public boolean intersectsLineSegment(org.mini2Dx.gdx.math.Vector2 pointA, org.mini2Dx.gdx.math.Vector2 pointB)
Sizeable
pointA
- The first point in the line segmentpointB
- The second point in the line segmentpublic boolean intersectsLineSegment(float x1, float y1, float x2, float y2)
Sizeable
x1
- The x coordinate of the first pointy1
- The y coordinate of the first pointx2
- The x coordinate of the second pointy2
- The y coordinate of the second pointpublic float getWidth()
Sizeable
public float getHeight()
Sizeable
public boolean intersects(Rectangle rectangle)
rectangle
- The Rectangle
to test for intersectionpublic boolean intersects(Circle circle)
Circle
intersects this onecircle
- The Circle
to test for intersectionpublic float getDistanceTo(float x, float y)
Circle
to a pointx
- The x coordinatey
- The y coordinatepublic float getDistanceFromCenter(org.mini2Dx.gdx.math.Vector2 point)
Circle
to a pointpoint
- The pointpublic float getDistanceFromCenter(float x, float y)
Circle
to a pointx
- The x coordinatey
- The y coordinatepublic int getNumberOfSides()
Shape
getNumberOfSides
in interface Sizeable
getNumberOfSides
in class Shape
public void draw(Graphics g)
Shape
Graphics
instancepublic void fill(Graphics g)
Shape
Graphics
instancepublic void set(Circle circle)
public float getX()
Positionable
public float getY()
Positionable
public void setX(float x)
Positionable
x
- The x coordinatepublic void setY(float y)
Positionable
y
- The y coordinatepublic float getCenterX()
Sizeable
Circle
this is the same as x.public float getCenterY()
Sizeable
Circle
this is the same as y.public void setCenter(float x, float y)
Sizeable
x
- The x coordinate of the shape's centery
- The y coordinate of the shape's centerpublic void setCenterX(float x)
Sizeable
x
- The x coordinate of the shape's centerpublic void setCenterY(float y)
Sizeable
y
- The y coordinate of the shape's centerpublic void setXY(float x, float y)
Positionable
x
- The x coordinatey
- The y coordinatepublic float getMinX()
Sizeable
public float getMinY()
Sizeable
public float getMaxX()
Sizeable
public float getMaxY()
Sizeable
public float getRadius()
public void setRadius(float radius)
Sizeable
Polygon
shapes, this will
stretch in/out the shape from its center. Note that Polygon
s must
be equilateral.radius
- The radius in pixelspublic void scale(float scale)
Sizeable
Polygon
shapes, this will
stretch in/out the shape from its center. Note that Polygon
s must
be equilateral.scale
- The amount to scale by (e.g. 2.0 = double the size)public void translate(float translateX, float translateY)
Shape
public EdgeIterator edgeIterator()
Shape
EdgeIterator
for looping over the edges of this
Shape
edgeIterator
in class Shape
EdgeIterator
public float getRotation()
Shape
Shape
getRotation
in class Shape
public void setRotation(float degrees)
Shape
Shape
with its first point as the
originsetRotation
in class Shape
degrees
- The rotation in degreespublic void setRotationAround(float centerX, float centerY, float degrees)
Shape
Shape
with a specified point as the
originsetRotationAround
in class Shape
centerX
- The origin/center x coordinatecenterY
- The origin/center y coordinatedegrees
- The rotation in degreespublic void rotate(float degrees)
Shape
Shape
by a specified amount of degrees with its
first point as the originpublic void rotateAround(float centerX, float centerY, float degrees)
Shape
Shape
by a specified amount of degrees around a
specified pointrotateAround
in class Shape
centerX
- The origin/center x coordinatecenterY
- The origin/center y coordinatedegrees
- The rotation in degreespublic boolean isCircle()
Shape
public Polygon getPolygon()
Shape
getPolygon
in interface Sizeable
getPolygon
in class Shape
Shape
is a Circle