Shapes

Index

Constructors

• constructor

Methods

• createArrowPolygonPoints
• createCirclePolygonPoints
• createLinePolygonPoints
• lineIntersects

Constructors

constructor

• new Shapes(): Shapes

• Returns Shapes

Methods

publicstaticcreateArrowPolygonPoints

• createArrowPolygonPoints(bluntPoint: Vertex3, arrowPoint: Vertex3, lineThickness: number, arrowHeadWidth: number, arrowHeadHeight: number): Vertex3[]

• Creates 7 points which form the contour of an arrow

  ---

  Parameters

  • bluntPoint: Vertex3

    The point which forms the blunt end of the arrow

  • arrowPoint: Vertex3

    The point where the arrow will point from

  • lineThickness: number

    How thick the line should be

  • arrowHeadWidth: number

    How far out the arrow wings should be, in relation to the line thickness

  • arrowHeadHeight: number

    How far out the arrow point should project from arrowPoint, in relation to the line thickness

  Returns Vertex3[]

  The 7 contour points which form the arrow

publicstaticcreateCirclePolygonPoints

• createCirclePolygonPoints(circlePoint: Vertex3, radiusPoint: Vertex3, lineThickness: number, segments: number): Vertex3[]

• Creates a bunch of points that form the contours in a circle (so no center point is created)

  ---

  Parameters

  • circlePoint: Vertex3

    The center of the circle

  • radiusPoint: Vertex3

    An arbitrary point on the plane of the circle, it’s distance from the circlePoint is used as the radius of the circle

  • lineThickness: number

    How thick the line representing the circle should be, a value less than or equal to 0 indicates that the circle should be completely filled

  • segments: number

    How many segments you want around circlePoint

  Returns Vertex3[]

  The points to use to form the contour around the circle

publicstaticcreateLinePolygonPoints

• createLinePolygonPoints(linePoints: Vertex3[], thickness: number): Vertex3[]

• Creates points to form the contour of a polygon of a certain thickness that follows a line of points

  ---

  Parameters

  • linePoints: Vertex3[]

    The points forming a poly line, they must be in sequence (a -> b -> c)

  • thickness: number

    The distance between the points that form the polygon contour

  Returns Vertex3[]

  The points forming the contour around the poly line

staticlineIntersects

• lineIntersects(x1: number, y1: number, x2: number, y2: number, x3: number, y3: number, x4: number, y4: number): null | { seg1: boolean; seg2: boolean; x: number; y: number }

• Parameters

  • x1: number

  • y1: number

  • x2: number

  • y2: number

  • x3: number

  • y3: number

  • x4: number

  • y4: number

  Returns null | { seg1: boolean; seg2: boolean; x: number; y: number }