ArrowNode¶

Overview¶

A single- or double-headed arrow. This is a convenience class, most of the work is done in ArrowShape.

@author John Blanco @author Chris Malley (PixelZoom, Inc.) @author Aaron Davis @author Sam Reid (PhET Interactive Simulations)

Class ArrowNode¶

import { ArrowNode } from 'scenerystack/scenery-phet';

Constructor¶

new ArrowNode( tailX : number, tailY : number, tipX : number, tipY : number, providedOptions? : ArrowNodeOptions )¶

Instance Methods¶

setTailAndTip( tailX : number, tailY : number, tipX : number, tipY : number )¶

Sets the tail and tip positions to update the arrow shape. If the tail and tip are at the same point, the arrow is not shown.

setTail( tailX : number, tailY : number )¶

Sets the tail position.

setTip( tipX : number, tipY : number )¶

Sets the tip position.

setTailWidth( tailWidth : number )¶

Sets the tail width.

setDoubleHead( doubleHead : boolean )¶

Sets whether the arrow has one or two heads.

Type ArrowNodeOptions¶

import type { ArrowNodeOptions } from 'scenerystack/scenery-phet';

• headHeight?: number
• headWidth?: number
• tailWidth?: number
• isHeadDynamic?: boolean
• scaleTailToo?: boolean
• fractionalHeadHeight?: number
  head will be scaled when headHeight is greater than fractionalHeadHeight * arrow length
• doubleHead?: boolean
  true puts heads on both ends of the arrow, false puts a head at the tip
• & PathOptions

Source Code¶

See the source for ArrowNode.ts in the scenery-phet repository.