Struct Rectangle2

pub struct Rectangle2 {
    pub origin: DVec2,
    pub x: DVec2,
    pub y: DVec2,
}

A rectangle in the XY-plane, possibly rotated.

Stored as a corner and two edge vectors so the parallelogram property holds by construction, matching Rectangle3. Perpendicularity is not enforced: a sheared import stays representable and inspectable.

Fields

origin: DVec2

Corner the edge vectors start from.

x: DVec2

First edge vector, from origin.

y: DVec2

Second edge vector, from origin.

Implementations

impl Rectangle2

pub const fn new(origin: DVec2, x: DVec2, y: DVec2) -> Rectangle2

Construct from a corner and two edge vectors.

pub fn from_aabb(bounds: &Aabb2) -> Option<Rectangle2>

An axis-aligned rectangle spanning bounds.

Returns None for an empty box, because an inverted corner pair has no meaningful edge vectors and silently producing a zero-sized rectangle at the origin would hide the emptiness from the caller.

pub fn corners(&self) -> [DVec2; 4]

The four corners, in order around the boundary.

pub fn signed_area(&self) -> f64

Signed area: positive when the edge vectors are counter-clockwise.

pub fn area(&self) -> f64

Area, always non-negative. Equals the parallelogram area when sheared.

pub fn center(&self) -> DVec2

Centre point.

Trait Implementations

impl Clone for Rectangle2

fn clone(&self) -> Rectangle2

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Rectangle2

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl PartialEq for Rectangle2

fn eq(&self, other: &Rectangle2) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Rectangle2

impl StructuralPartialEq for Rectangle2