import CircleNode from 'canvas-graph-creator/src/js/data/node/circle-node.js'

public class | source

CircleNode

Extends:

Node → CircleNode

Node subclass for circle nodes.

Constructor Summary

Public Constructor
public	constructor(x: number, y: number) Constructs a CircleNode instance.

Member Summary

Public Members
public	label: *

Method Summary

Public Methods
public	containsPoint(x: number, y: number): boolean Check if the node contains the given point.
public	distanceToPoint(x: number, y: number): number Find the distance from the node's coordinates to a given point.
public	draw(context: CanvasRenderingContext2D) Draw the node on the given canvas context.
public	drawAcceptingState(context: CanvasRenderingContext2D) Draw additional objects to display the node as an accepting state on the given canvas context.
public	drawStartingState(context: CanvasRenderingContext2D) Draw additional objects to display the node as a starting state on the given canvas context.
public	edgePointInDirection(x: number, y: number): Object Find the point on the edge of the node in the direction of the given point.
public	getAnglePoint(angle: number): Object Get the point on the edge of the node at the given angle.

Inherited Summary

From class Node
public	x: *
public	y: *
public abstract	containsPoint(x: number, y: number) Check if the node contains the given point.
public abstract	distanceToPoint(x: number, y: number) Find the distance from the node's coordinates to a given point.
public abstract	draw(context: CanvasRenderingContext2D) Draw the node on the given canvas context.
public	drawLabel(context: CanvasRenderingContext2D) Draw the Label object associated with this node.
public abstract	edgePointInDirection(x: number, y: number) Find the point on the edge of the node in the direction of the given point.
public abstract	getAnglePoint(angle: number) Get the point on the edge of the node at the given angle.
public	setPos(x: number, y: number) Update the node position.

Public Constructors

public constructor(x: number, y: number) source

Constructs a CircleNode instance.

Override:

Node#constructor

Params:

Name	Type	Attribute	Description
x	number		x-coordinate of the node.
y	number		y-coordinate of the node.

Public Members

public label: * source

Public Methods

public containsPoint(x: number, y: number): boolean source

Check if the node contains the given point.

Override:

Node#containsPoint

Params:

Name	Type	Attribute	Description
x	number		x-coordinate of the point.
y	number		y-coordinate of the point.

Return:

boolean

Whether or not the node contains the point.

public distanceToPoint(x: number, y: number): number source

Find the distance from the node's coordinates to a given point.

Override:

Node#distanceToPoint

Params:

Name	Type	Attribute	Description
x	number		x-coordinate of the point.
y	number		y-coordinate of the point.

Return:

number

The distance to the point.

public draw(context: CanvasRenderingContext2D) source

Draw the node on the given canvas context.

Override:

Node#draw

Params:

Name	Type	Attribute	Description
context	CanvasRenderingContext2D		Canvas 2D context.

public drawAcceptingState(context: CanvasRenderingContext2D) source

Draw additional objects to display the node as an accepting state on the given canvas context.

Params:

Name	Type	Attribute	Description
context	CanvasRenderingContext2D		Canvas 2D context.

public drawStartingState(context: CanvasRenderingContext2D) source

Draw additional objects to display the node as a starting state on the given canvas context.

Params:

Name	Type	Attribute	Description
context	CanvasRenderingContext2D		Canvas 2D context.

public edgePointInDirection(x: number, y: number): Object source

Find the point on the edge of the node in the direction of the given point.

Override:

Node#edgePointInDirection

Params:

Name	Type	Attribute	Description
x	number		x-coordinate of the point.
y	number		y-coordinate of the point.

Return:

Object

The edge point in the direction of the given point.

Return Properties:

Name	Type	Attribute	Description
x	number		x-coordinate of the edge point.
y	number		y-coordinate of the edge point.

public getAnglePoint(angle: number): Object source

Get the point on the edge of the node at the given angle.

Override:

Node#getAnglePoint

Params:

Name	Type	Attribute	Description
angle	number		The angle (clockwise from +x axis).

Return:

Object

The edge point in the direction of the given angle.

Return Properties:

Name	Type	Attribute	Description
x	number		x-coordinate of the edge point.
y	number		y-coordinate of the edge point.