Triangle2d

A Triangle2d represents a triangle in 2D space, and is defined by its three vertices. This module contains triangle-related functionality such as:

type alias Triangle2d =

Triangle2d

Constructors

fromVertices : ( Point2d, Point2d, Point2d ) -> Triangle2d

vertices : Triangle2d -> ( Point2d, Point2d, Point2d )

edges : Triangle2d -> ( LineSegment2d, LineSegment2d, LineSegment2d )

centroid : Triangle2d -> Point2d

area : Triangle2d -> Float

counterclockwiseArea : Triangle2d -> Float

clockwiseArea : Triangle2d -> Float

boundingBox : Triangle2d -> BoundingBox2d

circumcircle : Triangle2d -> Maybe Circle2d

contains : Point2d -> Triangle2d -> Bool

Transforming a triangle is equivalent to transforming its vertices.

scaleAbout : Point2d -> Float -> Triangle2d -> Triangle2d

rotateAround : Point2d -> Float -> Triangle2d -> Triangle2d

translateBy : Vector2d -> Triangle2d -> Triangle2d

translateIn : Direction2d -> Float -> Triangle2d -> Triangle2d

mirrorAcross : Axis2d -> Triangle2d -> Triangle2d

mapVertices : (Point2d -> Point2d) -> Triangle2d -> Triangle2d

relativeTo : Frame2d -> Triangle2d -> Triangle2d

placeIn : Frame2d -> Triangle2d -> Triangle2d