Type Definition fenris_geometry::LineSegment2d

pub type LineSegment2d<T> = LineSegment<T, U2>;

Implementations

impl<T> LineSegment2d<T>where
    T: Real,

pub fn normal_dir(&self) -> Vector2<T>

Returns a vector normal to the line segment, in the direction consistent with a counter-clockwise winding order when the edge is part of a polygon.

In other words, the normal direction points “to the right” when following the segment from its first endpoint to its second.

Note that the vector is not normalized.

pub fn intersect_line_parametric(&self, line: &Line2d<T>) -> Option<T>

pub fn intersect_disk_parametric(&self, disk: &Disk<T>) -> Option<[T; 2]>

pub fn intersect_disk(&self, disk: &Disk<T>) -> Option<Self>

pub fn segment_from_parameters(&self, t_begin: &T, t_end: &T) -> Self

pub fn intersect_segment_parametric(&self, other: &LineSegment2d<T>) -> Option<T>

Computes the intersection of two line segments (if any), but returns the result as a parameter.

Let all points on this line segment be defined by the relation x = a + t * (b - a) for 0 <= t <= 1. Then, if the two line segments intersect, t is returned. Otherwise, None is returned.

pub fn intersect_half_plane_parametric(
    &self,
    half_plane: &HalfPlane<T>
) -> Option<[T; 2]>

Compute the intersection between the line segment and a half-plane.

Returns None if the segment and the half-plane do not intersect, otherwise returns Some([t1, t2]) with t1 <= t2, and t1 and t2 correspond to the start and end parameters relative to the current line segment.

pub fn intersect_half_plane(&self, half_plane: &HalfPlane<T>) -> Option<Self>

pub fn intersect_polygon(
    &self,
    other: &ConvexPolygon<T>
) -> Option<LineSegment2d<T>>