Struct Rectangle 

pub struct Rectangle<S> { /* private fields */ }

Rectangle primitive.

Have a cached set of corner points to speed up computation.

Implementations

impl<S> Rectangle<S>

where S: BaseFloat,

pub fn new(dim_x: S, dim_y: S) -> Rectangle<S>

Create a new rectangle primitive from component dimensions

Examples found in repository

examples/basic2d.rs (line 34)

pub fn main() {
    let mut world = World::new();

    let mut system = BasicCollisionSystem2::<f32, BodyPose2<f32>, ()>::new()
        .with_broad_phase(BroadBruteForce2::default())
        .with_narrow_phase(GJK2::new());
    system.setup(&mut world.res);

    let mut reader_1 = world
        .write_resource::<EventChannel<ContactEvent2<f32>>>()
        .register_reader();

    world
        .create_entity()
        .with(CollisionShape2::<f32, BodyPose2<f32>, ()>::new_simple(
            CollisionStrategy::FullResolution,
            CollisionMode::Discrete,
            Rectangle::new(10., 10.).into(),
        )).with(BodyPose2::<f32>::one())
        .build();

    world
        .create_entity()
        .with(CollisionShape2::<f32, BodyPose2<f32>, ()>::new_simple(
            CollisionStrategy::FullResolution,
            CollisionMode::Discrete,
            Rectangle::new(10., 10.).into(),
        )).with(BodyPose2::<f32>::new(
            Point2::new(3., 2.),
            Rotation2::from_angle(Rad(0.)),
        )).build();

    system.run_now(&world.res);
    println!(
        "Contacts: {:?}",
        world
            .read_resource::<EventChannel<ContactEvent2<f32>>>()
            .read(&mut reader_1)
            .collect::<Vec<_>>()
    );
}

examples/spatial2d.rs (line 59)

pub fn main() {
    let mut world = World::new();
    let mut sort = SpatialSortingSystem2::<f32, BodyPose2<f32>, ()>::new();
    let mut collide =
        SpatialCollisionSystem2::<f32, BodyPose2<f32>, ()>::new().with_narrow_phase(GJK2::new());
    let mut raycast = RayCastSystem;
    let mut impulse_solver = CurrentFrameUpdateSystem2::<f32, BodyPose2<f32>>::new();
    let mut next_frame = NextFrameSetupSystem2::<f32, BodyPose2<f32>>::new();
    let mut contact_resolution = ContactResolutionSystem2::<f32, BodyPose2<f32>>::new();

    sort.setup(&mut world.res);
    collide.setup(&mut world.res);
    raycast.setup(&mut world.res);
    impulse_solver.setup(&mut world.res);
    next_frame.setup(&mut world.res);
    contact_resolution.setup(&mut world.res);

    world
        .create_entity()
        .with_static_physical_entity(
            CollisionShape2::<f32, BodyPose2<f32>, ()>::new_simple(
                CollisionStrategy::FullResolution,
                CollisionMode::Discrete,
                Rectangle::new(10., 10.).into(),
            ),
            BodyPose2::<f32>::one(),
            PhysicalEntity::default(),
            Mass2::new(1.),
        ).build();

    world
        .create_entity()
        .with_static_physical_entity(
            CollisionShape2::<f32, BodyPose2<f32>, ()>::new_simple(
                CollisionStrategy::FullResolution,
                CollisionMode::Discrete,
                Rectangle::new(10., 10.).into(),
            ),
            BodyPose2::<f32>::new(Point2::new(2., 2.), Rotation2::from_angle(Rad(0.))),
            PhysicalEntity::default(),
            Mass2::new(1.),
        ).build();

    let mut reader_1 = world
        .write_resource::<EventChannel<ContactEvent2<f32>>>()
        .register_reader();

    {
        use specs::prelude::RunNow;
        sort.run_now(&world.res);
        collide.run_now(&world.res);

        println!(
            "Contacts: {:?}",
            world
                .read_resource::<EventChannel<ContactEvent2<f32>>>()
                .read(&mut reader_1)
                .collect::<Vec<_>>()
        );

        raycast.run_now(&world.res);
        impulse_solver.run_now(&world.res);
        next_frame.run_now(&world.res);
        contact_resolution.run_now(&world.res);
    }
}

pub fn new_impl(dim: Vector2<S>) -> Rectangle<S>

Create a new rectangle primitive from a vector of component dimensions

pub fn dim(&self) -> &Vector2<S>

Get the dimensions of the Rectangle

pub fn half_dim(&self) -> &Vector2<S>

Get the half dimensions of the Rectangle

Trait Implementations

impl<S> Clone for Rectangle<S>

where S: Clone,

fn clone(&self) -> Rectangle<S>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<S> ComputeBound<Aabb2<S>> for Rectangle<S>

where S: BaseFloat,

fn compute_bound(&self) -> Aabb2<S>

Compute the bounding volume

impl<S> Continuous<Ray<S, Point2<S>, Vector2<S>>> for Rectangle<S>

where S: BaseFloat,

fn intersection(&self, ray: &Ray<S, Point2<S>, Vector2<S>>) -> Option<Point2<S>>

Ray must be in object space of the rectangle

type Result = Point2<S>

Result returned by the intersection test

impl<S> Debug for Rectangle<S>

where S: Debug,

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

Formats the value using the given formatter.

impl<'de, S> Deserialize<'de> for Rectangle<S>

where S: Deserialize<'de>,

fn deserialize<__D>( __deserializer: __D, ) -> Result<Rectangle<S>, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<S> Discrete<Ray<S, Point2<S>, Vector2<S>>> for Rectangle<S>

where S: BaseFloat,

fn intersects(&self, ray: &Ray<S, Point2<S>, Vector2<S>>) -> bool

Ray must be in object space of the rectangle

impl<S> PartialEq for Rectangle<S>

where S: PartialEq,

fn eq(&self, other: &Rectangle<S>) -> 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<S> Primitive for Rectangle<S>

where S: BaseFloat,

type Point = Point2<S>

Point type

fn support_point<T>(&self, direction: &Vector2<S>, transform: &T) -> Point2<S>

where T: Transform<Point2<S>>,

Get the support point on the shape in a given direction.

impl<S> Serialize for Rectangle<S>

where S: Serialize,

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<S> Volume<S, S> for Rectangle<S>

where S: BaseFloat + Inertia,

fn get_mass(&self, material: &Material) -> Mass<S, S>

Compute the mass of the shape based on its material

impl<S> StructuralPartialEq for Rectangle<S>