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Class PolygonalChain

A spawn shape that picks a random position along a series of line segments. If those line segments form a polygon, particles will only be placed on the perimeter of that polygon.

Example config:

{
     type: 'polygonalChain',
     data: [
         [{x: 0, y: 0}, {x: 10, y: 10}, {x: 20, y: 0}],
         [{x: 0, y, -10}, {x: 10, y: 0}, {x: 20, y: -10}]
     ]
}

Hierarchy

  • PolygonalChain

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

  • new PolygonalChain(data: IPointData[] | IPointData[][]): PolygonalChain

Properties

Private countingLengths

countingLengths: number[]

Total length of segments up to and including the segment of the same index. Used for weighted random selection of segment.

Private segments

segments: Segment[]

List of segment objects in the chain.

Private totalLength

totalLength: number

Total length of all segments of the chain.

Static editorConfig

editorConfig: ListProperty = null

Static type

type: string = 'polygonalChain'

Methods

getRandPos

  • getRandPos(out: IPointData): void

Private init

  • init(data: IPointData[] | IPointData[][]): void

  • Parameters

    • data: IPointData[] | IPointData[][]

      Point data for polygon chains. Either a list of points for a single chain, or a list of chains.

    Returns void

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