Struct Triangle2d

pub struct Triangle2d {
    pub vertices: [Vec2; 3],
}

A triangle in 2D space

Fields

vertices: [Vec2; 3]

The vertices of the triangle

Implementations

impl Triangle2d

pub const fn new(a: Vec2, b: Vec2, c: Vec2) -> Self

Create a new Triangle2d from points a, b, and c

pub fn winding_order(&self) -> WindingOrder

Get the WindingOrder of the triangle

pub fn circumcircle(&self) -> (Circle, Vec2)

Compute the circle passing through all three vertices of the triangle. The vector in the returned tuple is the circumcenter.

pub fn is_degenerate(&self) -> bool

Checks if the triangle is degenerate, meaning it has zero area.

A triangle is degenerate if the cross product of the vectors ab and ac has a length less than 10e-7. This indicates that the three vertices are collinear or nearly collinear.

pub fn is_acute(&self) -> bool

Checks if the triangle is acute, meaning all angles are less than 90 degrees

pub fn is_obtuse(&self) -> bool

Checks if the triangle is obtuse, meaning one angle is greater than 90 degrees

pub fn reverse(&mut self)

Reverse the WindingOrder of the triangle by swapping the first and last vertices.

pub fn reversed(self) -> Self

This triangle but reversed.

Trait Implementations

impl Bounded2d for Triangle2d

fn aabb_2d(&self, translation: Vec2, rotation: impl Into<Rot2>) -> Aabb2d

Get an axis-aligned bounding box for the shape with the given translation and rotation. The rotation is in radians, counterclockwise, with 0 meaning no rotation.

fn bounding_circle( &self, translation: Vec2, rotation: impl Into<Rot2>, ) -> BoundingCircle

Get a bounding circle for the shape The rotation is in radians, counterclockwise, with 0 meaning no rotation.

impl BoundedExtrusion for Triangle2d

fn extrusion_aabb_3d( &self, half_depth: f32, translation: Vec3, rotation: Quat, ) -> Aabb3d

Get an axis-aligned bounding box for an extrusion with this shape as a base and the given half_depth, transformed by the given translation and rotation.

fn extrusion_bounding_sphere( &self, half_depth: f32, translation: Vec3, rotation: Quat, ) -> BoundingSphere

Get a bounding sphere for an extrusion of the base_shape with the given half_depth with the given translation and rotation

impl Clone for Triangle2d

fn clone(&self) -> Triangle2d

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Triangle2d

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

Formats the value using the given formatter.

impl Default for Triangle2d

fn default() -> Self

Returns the default Triangle2d with the vertices [0.0, 0.5], [-0.5, -0.5], and [0.5, -0.5].

impl<'de> Deserialize<'de> for Triangle2d

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl FromReflect for Triangle2d

where Self: Any + Send + Sync, [Vec2; 3]: FromReflect + TypePath + RegisterForReflection,

fn from_reflect(reflect: &dyn Reflect) -> Option<Self>

Constructs a concrete instance of Self from a reflected value.

fn take_from_reflect( reflect: Box<dyn Reflect>, ) -> Result<Self, Box<dyn Reflect>>

Attempts to downcast the given value to Self using, constructing the value using from_reflect if that fails.

impl GetTypeRegistration for Triangle2d

where Self: Any + Send + Sync, [Vec2; 3]: FromReflect + TypePath + RegisterForReflection,

fn get_type_registration() -> TypeRegistration

Returns the default TypeRegistration for this type.

fn register_type_dependencies(registry: &mut TypeRegistry)

Registers other types needed by this type.

impl Measured2d for Triangle2d

fn area(&self) -> f32

Get the area of the triangle

fn perimeter(&self) -> f32

Get the perimeter of the triangle

impl PartialEq for Triangle2d

fn eq(&self, other: &Triangle2d) -> 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 Reflect for Triangle2d

where Self: Any + Send + Sync, [Vec2; 3]: FromReflect + TypePath + RegisterForReflection,

fn get_represented_type_info(&self) -> Option<&'static TypeInfo>

Returns the TypeInfo of the type represented by this value.

fn into_any(self: Box<Self>) -> Box<dyn Any>

Returns the value as a Box<dyn Any>.

fn as_any(&self) -> &dyn Any

Returns the value as a &dyn Any.

fn as_any_mut(&mut self) -> &mut dyn Any

Returns the value as a &mut dyn Any.

fn into_reflect(self: Box<Self>) -> Box<dyn Reflect>

Casts this type to a boxed reflected value.

fn as_reflect(&self) -> &dyn Reflect

Casts this type to a reflected value.

fn as_reflect_mut(&mut self) -> &mut dyn Reflect

Casts this type to a mutable reflected value.

fn clone_value(&self) -> Box<dyn Reflect>

Clones the value as a Reflect trait object.

fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>

Performs a type-checked assignment of a reflected value to this value.

fn try_apply(&mut self, value: &dyn Reflect) -> Result<(), ApplyError>

Tries to apply a reflected value to this value.

fn reflect_kind(&self) -> ReflectKind

Returns a zero-sized enumeration of “kinds” of type.

fn reflect_ref(&self) -> ReflectRef<'_>

Returns an immutable enumeration of “kinds” of type.

fn reflect_mut(&mut self) -> ReflectMut<'_>

Returns a mutable enumeration of “kinds” of type.

fn reflect_owned(self: Box<Self>) -> ReflectOwned

Returns an owned enumeration of “kinds” of type.

fn reflect_partial_eq(&self, value: &dyn Reflect) -> Option<bool>

Returns a “partial equality” comparison result.

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

Debug formatter for the value.

fn apply(&mut self, value: &(dyn Reflect + 'static))

Applies a reflected value to this value.

fn reflect_hash(&self) -> Option<u64>

Returns a hash of the value (which includes the type).

fn serializable(&self) -> Option<Serializable<'_>>

Returns a serializable version of the value.

fn is_dynamic(&self) -> bool

Indicates whether or not this type is a dynamic type.

impl Serialize for Triangle2d

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl ShapeSample for Triangle2d

Available on crate feature rand only.

type Output = Vec2

The type of vector returned by the sample methods, Vec2 for 2D shapes and Vec3 for 3D shapes.

fn sample_interior<R: Rng + ?Sized>(&self, rng: &mut R) -> Self::Output

Uniformly sample a point from inside the area/volume of this shape, centered on 0.

fn sample_boundary<R: Rng + ?Sized>(&self, rng: &mut R) -> Self::Output

Uniformly sample a point from the surface of this shape, centered on 0.

fn interior_dist(self) -> impl Distribution<Self::Output>

where Self: Sized,

Extract a Distribution whose samples are points of this shape’s interior, taken uniformly.

fn boundary_dist(self) -> impl Distribution<Self::Output>

where Self: Sized,

Extract a Distribution whose samples are points of this shape’s boundary, taken uniformly.

impl Struct for Triangle2d

where Self: Any + Send + Sync, [Vec2; 3]: FromReflect + TypePath + RegisterForReflection,

fn field(&self, name: &str) -> Option<&dyn Reflect>

Returns a reference to the value of the field named name as a &dyn Reflect.

fn field_mut(&mut self, name: &str) -> Option<&mut dyn Reflect>

Returns a mutable reference to the value of the field named name as a &mut dyn Reflect.

fn field_at(&self, index: usize) -> Option<&dyn Reflect>

Returns a reference to the value of the field with index index as a &dyn Reflect.

fn field_at_mut(&mut self, index: usize) -> Option<&mut dyn Reflect>

Returns a mutable reference to the value of the field with index index as a &mut dyn Reflect.

fn name_at(&self, index: usize) -> Option<&str>

Returns the name of the field with index index.

fn field_len(&self) -> usize

Returns the number of fields in the struct.

fn iter_fields(&self) -> FieldIter<'_>

Returns an iterator over the values of the reflectable fields for this struct.

fn clone_dynamic(&self) -> DynamicStruct

Clones the struct into a DynamicStruct.

impl TypePath for Triangle2d

where Self: Any + Send + Sync,

fn type_path() -> &'static str

Returns the fully qualified path of the underlying type.

fn short_type_path() -> &'static str

Returns a short, pretty-print enabled path to the type.

fn type_ident() -> Option<&'static str>

Returns the name of the type, or None if it is anonymous.

fn crate_name() -> Option<&'static str>

Returns the name of the crate the type is in, or None if it is anonymous.

fn module_path() -> Option<&'static str>

Returns the path to the module the type is in, or None if it is anonymous.

impl Typed for Triangle2d

where Self: Any + Send + Sync, [Vec2; 3]: FromReflect + TypePath + RegisterForReflection,

fn type_info() -> &'static TypeInfo

Returns the compile-time info for the underlying type.

impl Copy for Triangle2d

impl Primitive2d for Triangle2d

impl StructuralPartialEq for Triangle2d