Class Helper

A class containing helping mathematical methods

Hierarchy

Helper

Index

Methods

Methods

Static GetAngleBetweenTwoLine

GetAngleBetweenTwoLine(line1: Segment, line2: Segment): number

- Defined in Helper.ts:36
Get the angle between two lines

Parameters
- line1: Segment
- line2: Segment
Returns number

Static GetCordsFromTwoPoint

GetCordsFromTwoPoint(pointOne: Point, pointTwo: Point): Point[]

- Defined in Helper.ts:176
Get a list of coordinates (step: 1px) between two points

Parameters
- pointOne: Point
- pointTwo: Point
Returns Point[]

Static GetDistanceBetweenTwoPoint

GetDistanceBetweenTwoPoint(point1: Point, point2: Point): number

- Defined in Helper.ts:13
Get the distance between two points

Parameters
- point1: Point
- point2: Point
Returns number

Static GetIntersectBeetwenTwoLine

GetIntersectBeetwenTwoLine(one: Segment, two: Segment): Point

- Defined in Helper.ts:143
Find the intersection point of two lines

throws

Error if the segments are on the same line

Parameters
- one: Segment
- two: Segment
Returns Point

The intersection point, or "null" if it does not exist

Static GetIntersectBetweenTwoSegment

GetIntersectBetweenTwoSegment(rectBorder: Rect, one: Segment, two: Segment): Point

- Defined in Helper.ts:130
Find the intersection of two lines bounded by a rectangle "rectBorder"

Parameters
- rectBorder: Rect
- one: Segment
- two: Segment
Returns Point

The intersection point, or "null" if it does not exist, or it lies outside the rectangle "rectBorder"

Static GetRotatedPoint

GetRotatedPoint(transformedPoint: Point, startPoint: Point, angle: number): Point

- Defined in Helper.ts:79
Transform point coordinates to a given angle

Parameters
- transformedPoint: Point
  
  Point to rotate
- startPoint: Point
  
  Transformation reference point
- angle: number
  
  Rotation angle (in radians)
Returns Point

Point coordinates after rotation

Static GetSegmentLength

GetSegmentLength(segment: Segment): number

- Defined in Helper.ts:26
Get the length of the line segment

Parameters
- segment: Segment
Returns number

Static LimitPointToCircle

LimitPointToCircle(startPoint: Point, radius: number, limitedPoint: Point): Point

- Defined in Helper.ts:96
Limit a point "linePoint" to a given circle centered at point "startPoint" and a given radius

Parameters
- startPoint: Point
  
  Circle center
- radius: number
  
  Circle radius
- limitedPoint: Point
  
  Сhecked point
Returns Point

If "linePoint" enters the circle, then its coordinates are returned. Else will be returned the intersection point between the line ([startPoint, linePoint]) and the circle

Static PointInRect

PointInRect(rect: Rect, pos: Point): Point

- Defined in Helper.ts:54
Check for a point in a rectangle

Parameters
- rect: Rect
- pos: Point
Returns Point

If the point enters the rectangle its coordinates will be returned, otherwise - null

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