Struct bevy::math::primitives::Circle
pub struct Circle {
pub radius: f32,
}
Expand description
A circle primitive
Fields§
§radius: f32
The radius of the circle
Implementations§
§impl Circle
impl Circle
pub const fn new(radius: f32) -> Circle
pub const fn new(radius: f32) -> Circle
Create a new Circle
from a radius
Examples found in repository?
examples/3d/3d_scene.rs (line 20)
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fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
// circular base
commands.spawn(PbrBundle {
mesh: meshes.add(Circle::new(4.0)),
material: materials.add(Color::WHITE),
transform: Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
..default()
});
// cube
commands.spawn(PbrBundle {
mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
material: materials.add(Color::rgb_u8(124, 144, 255)),
transform: Transform::from_xyz(0.0, 0.5, 0.0),
..default()
});
// light
commands.spawn(PointLightBundle {
point_light: PointLight {
shadows_enabled: true,
..default()
},
transform: Transform::from_xyz(4.0, 8.0, 4.0),
..default()
});
// camera
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
});
}
More examples
examples/2d/bloom_2d.rs (line 51)
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fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<ColorMaterial>>,
asset_server: Res<AssetServer>,
) {
commands.spawn((
Camera2dBundle {
camera: Camera {
hdr: true, // 1. HDR is required for bloom
..default()
},
tonemapping: Tonemapping::TonyMcMapface, // 2. Using a tonemapper that desaturates to white is recommended
..default()
},
BloomSettings::default(), // 3. Enable bloom for the camera
));
// Sprite
commands.spawn(SpriteBundle {
texture: asset_server.load("branding/bevy_bird_dark.png"),
sprite: Sprite {
color: Color::rgb(5.0, 5.0, 5.0), // 4. Put something bright in a dark environment to see the effect
custom_size: Some(Vec2::splat(160.0)),
..default()
},
..default()
});
// Circle mesh
commands.spawn(MaterialMesh2dBundle {
mesh: meshes.add(Circle::new(100.)).into(),
// 4. Put something bright in a dark environment to see the effect
material: materials.add(Color::rgb(7.5, 0.0, 7.5)),
transform: Transform::from_translation(Vec3::new(-200., 0., 0.)),
..default()
});
// Hexagon mesh
commands.spawn(MaterialMesh2dBundle {
mesh: meshes.add(RegularPolygon::new(100., 6)).into(),
// 4. Put something bright in a dark environment to see the effect
material: materials.add(Color::rgb(6.25, 9.4, 9.1)),
transform: Transform::from_translation(Vec3::new(200., 0., 0.)),
..default()
});
// UI
commands.spawn(
TextBundle::from_section(
"",
TextStyle {
font_size: 18.0,
color: Color::WHITE,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
bottom: Val::Px(10.0),
left: Val::Px(10.0),
..default()
}),
);
}
examples/audio/spatial_audio_2d.rs (line 37)
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fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<ColorMaterial>>,
asset_server: Res<AssetServer>,
) {
// Space between the two ears
let gap = 400.0;
// sound emitter
commands.spawn((
MaterialMesh2dBundle {
mesh: meshes.add(Circle::new(15.0)).into(),
material: materials.add(Color::BLUE),
transform: Transform::from_translation(Vec3::new(0.0, 50.0, 0.0)),
..default()
},
Emitter::default(),
AudioBundle {
source: asset_server.load("sounds/Windless Slopes.ogg"),
settings: PlaybackSettings::LOOP.with_spatial(true),
},
));
let listener = SpatialListener::new(gap);
commands
.spawn((SpatialBundle::default(), listener.clone()))
.with_children(|parent| {
// left ear
parent.spawn(SpriteBundle {
sprite: Sprite {
color: Color::RED,
custom_size: Some(Vec2::splat(20.0)),
..default()
},
transform: Transform::from_xyz(-gap / 2.0, 0.0, 0.0),
..default()
});
// right ear
parent.spawn(SpriteBundle {
sprite: Sprite {
color: Color::GREEN,
custom_size: Some(Vec2::splat(20.0)),
..default()
},
transform: Transform::from_xyz(gap / 2.0, 0.0, 0.0),
..default()
});
});
// example instructions
commands.spawn(
TextBundle::from_section(
"Up/Down/Left/Right: Move Listener\nSpace: Toggle Emitter Movement",
TextStyle {
font_size: 20.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
bottom: Val::Px(12.0),
left: Val::Px(12.0),
..default()
}),
);
// camera
commands.spawn(Camera2dBundle::default());
}
examples/2d/bounding_2d.rs (line 209)
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fn setup(mut commands: Commands, loader: Res<AssetServer>) {
commands.spawn(Camera2dBundle::default());
commands.spawn((
SpatialBundle {
transform: Transform::from_xyz(-OFFSET_X, OFFSET_Y, 0.),
..default()
},
Shape::Circle(Circle::new(45.)),
DesiredVolume::Aabb,
Intersects::default(),
));
commands.spawn((
SpatialBundle {
transform: Transform::from_xyz(0., OFFSET_Y, 0.),
..default()
},
Shape::Rectangle(Rectangle::new(80., 80.)),
Spin,
DesiredVolume::Circle,
Intersects::default(),
));
commands.spawn((
SpatialBundle {
transform: Transform::from_xyz(OFFSET_X, OFFSET_Y, 0.),
..default()
},
Shape::Triangle(Triangle2d::new(
Vec2::new(-40., -40.),
Vec2::new(-20., 40.),
Vec2::new(40., 50.),
)),
Spin,
DesiredVolume::Aabb,
Intersects::default(),
));
commands.spawn((
SpatialBundle {
transform: Transform::from_xyz(-OFFSET_X, -OFFSET_Y, 0.),
..default()
},
Shape::Line(Segment2d::new(Direction2d::from_xy(1., 0.3).unwrap(), 90.)),
Spin,
DesiredVolume::Circle,
Intersects::default(),
));
commands.spawn((
SpatialBundle {
transform: Transform::from_xyz(0., -OFFSET_Y, 0.),
..default()
},
Shape::Capsule(Capsule2d::new(25., 50.)),
Spin,
DesiredVolume::Aabb,
Intersects::default(),
));
commands.spawn((
SpatialBundle {
transform: Transform::from_xyz(OFFSET_X, -OFFSET_Y, 0.),
..default()
},
Shape::Polygon(RegularPolygon::new(50., 6)),
Spin,
DesiredVolume::Circle,
Intersects::default(),
));
commands.spawn(
TextBundle::from_section(
"",
TextStyle {
font: loader.load("fonts/FiraMono-Medium.ttf"),
font_size: 26.0,
..default()
},
)
.with_style(Style {
position_type: PositionType::Absolute,
bottom: Val::Px(10.0),
left: Val::Px(10.0),
..default()
}),
);
}
pub fn closest_point(&self, point: Vec2) -> Vec2
pub fn closest_point(&self, point: Vec2) -> Vec2
Finds the point on the circle that is closest to the given point
.
If the point is outside the circle, the returned point will be on the perimeter of the circle. Otherwise, it will be inside the circle and returned as is.
Trait Implementations§
§impl Bounded2d for Circle
impl Bounded2d for Circle
§fn aabb_2d(&self, translation: Vec2, _rotation: f32) -> Aabb2d
fn aabb_2d(&self, translation: Vec2, _rotation: f32) -> 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: f32) -> BoundingCircle
fn bounding_circle(&self, translation: Vec2, _rotation: f32) -> BoundingCircle
Get a bounding circle for the shape
The rotation is in radians, counterclockwise, with 0 meaning no rotation.
§impl<'de> Deserialize<'de> for Circle
impl<'de> Deserialize<'de> for Circle
§fn deserialize<__D>(
__deserializer: __D
) -> Result<Circle, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D
) -> Result<Circle, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
§impl FromReflect for Circle
impl FromReflect for Circle
§fn from_reflect(reflect: &(dyn Reflect + 'static)) -> Option<Circle>
fn from_reflect(reflect: &(dyn Reflect + 'static)) -> Option<Circle>
Constructs a concrete instance of
Self
from a reflected value.§fn take_from_reflect(
reflect: Box<dyn Reflect>
) -> Result<Self, Box<dyn Reflect>>
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. Read more§impl GetTypeRegistration for Circle
impl GetTypeRegistration for Circle
§impl<'w, 's, T> GizmoPrimitive2d<Circle> for Gizmos<'w, 's, T>where
T: GizmoConfigGroup,
impl<'w, 's, T> GizmoPrimitive2d<Circle> for Gizmos<'w, 's, T>where
T: GizmoConfigGroup,
§type Output<'a> = ()
where
Gizmos<'w, 's, T>: 'a
type Output<'a> = () where Gizmos<'w, 's, T>: 'a
The output of
primitive_2d
. This is a builder to set non-default values.§fn primitive_2d(
&mut self,
primitive: Circle,
position: Vec2,
_angle: f32,
color: Color
) -> <Gizmos<'w, 's, T> as GizmoPrimitive2d<Circle>>::Output<'_>
fn primitive_2d( &mut self, primitive: Circle, position: Vec2, _angle: f32, color: Color ) -> <Gizmos<'w, 's, T> as GizmoPrimitive2d<Circle>>::Output<'_>
Renders a 2D primitive with its associated details.
§impl Reflect for Circle
impl Reflect for Circle
§fn get_represented_type_info(&self) -> Option<&'static TypeInfo>
fn get_represented_type_info(&self) -> Option<&'static TypeInfo>
§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Returns the value as a
&mut dyn Any
.§fn as_reflect(&self) -> &(dyn Reflect + 'static)
fn as_reflect(&self) -> &(dyn Reflect + 'static)
Casts this type to a reflected value.
§fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)
fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)
Casts this type to a mutable reflected value.
§fn clone_value(&self) -> Box<dyn Reflect>
fn clone_value(&self) -> Box<dyn Reflect>
Clones the value as a
Reflect
trait object. Read more§fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>
fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>
Performs a type-checked assignment of a reflected value to this value. Read more
§fn apply(&mut self, value: &(dyn Reflect + 'static))
fn apply(&mut self, value: &(dyn Reflect + 'static))
Applies a reflected value to this value. Read more
§fn reflect_kind(&self) -> ReflectKind
fn reflect_kind(&self) -> ReflectKind
Returns a zero-sized enumeration of “kinds” of type. Read more
§fn reflect_ref(&self) -> ReflectRef<'_>
fn reflect_ref(&self) -> ReflectRef<'_>
Returns an immutable enumeration of “kinds” of type. Read more
§fn reflect_mut(&mut self) -> ReflectMut<'_>
fn reflect_mut(&mut self) -> ReflectMut<'_>
Returns a mutable enumeration of “kinds” of type. Read more
§fn reflect_owned(self: Box<Circle>) -> ReflectOwned
fn reflect_owned(self: Box<Circle>) -> ReflectOwned
Returns an owned enumeration of “kinds” of type. Read more
§fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
Returns a “partial equality” comparison result. Read more
§fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>
fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>
Debug formatter for the value. Read more
§fn reflect_hash(&self) -> Option<u64>
fn reflect_hash(&self) -> Option<u64>
Returns a hash of the value (which includes the type). Read more
§fn serializable(&self) -> Option<Serializable<'_>>
fn serializable(&self) -> Option<Serializable<'_>>
Returns a serializable version of the value. Read more
§fn is_dynamic(&self) -> bool
fn is_dynamic(&self) -> bool
Indicates whether or not this type is a dynamic type. Read more
§impl Serialize for Circle
impl Serialize for Circle
§fn serialize<__S>(
&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
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. Read more
§impl Struct for Circle
impl Struct for Circle
§fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>
fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>
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 + 'static)>
fn field_mut(&mut self, name: &str) -> Option<&mut (dyn Reflect + 'static)>
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 + 'static)>
fn field_at(&self, index: usize) -> Option<&(dyn Reflect + 'static)>
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 + 'static)>
fn field_at_mut(&mut self, index: usize) -> Option<&mut (dyn Reflect + 'static)>
Returns a mutable reference to the value of the field with index
index
as a &mut dyn Reflect
.§fn iter_fields(&self) -> FieldIter<'_> ⓘ
fn iter_fields(&self) -> FieldIter<'_> ⓘ
Returns an iterator over the values of the reflectable fields for this struct.
§fn clone_dynamic(&self) -> DynamicStruct
fn clone_dynamic(&self) -> DynamicStruct
Clones the struct into a
DynamicStruct
.§impl TypePath for Circle
impl TypePath for Circle
§fn short_type_path() -> &'static str
fn short_type_path() -> &'static str
Returns a short, pretty-print enabled path to the type. Read more
§fn type_ident() -> Option<&'static str>
fn type_ident() -> Option<&'static str>
§fn crate_name() -> Option<&'static str>
fn crate_name() -> Option<&'static str>
impl Copy for Circle
impl Primitive2d for Circle
impl StructuralPartialEq for Circle
Auto Trait Implementations§
impl RefUnwindSafe for Circle
impl Send for Circle
impl Sync for Circle
impl Unpin for Circle
impl UnwindSafe for Circle
Blanket Implementations§
§impl<T, U> AsBindGroupShaderType<U> for T
impl<T, U> AsBindGroupShaderType<U> for T
§fn as_bind_group_shader_type(&self, _images: &RenderAssets<Image>) -> U
fn as_bind_group_shader_type(&self, _images: &RenderAssets<Image>) -> U
Return the
T
ShaderType
for self
. When used in AsBindGroup
derives, it is safe to assume that all images in self
exist.source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Convert
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Convert
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.§impl<T> DowncastSync for T
impl<T> DowncastSync for T
§impl<T> DynamicTypePath for Twhere
T: TypePath,
impl<T> DynamicTypePath for Twhere
T: TypePath,
§fn reflect_type_path(&self) -> &str
fn reflect_type_path(&self) -> &str
See
TypePath::type_path
.§fn reflect_short_type_path(&self) -> &str
fn reflect_short_type_path(&self) -> &str
§fn reflect_type_ident(&self) -> Option<&str>
fn reflect_type_ident(&self) -> Option<&str>
See
TypePath::type_ident
.§fn reflect_crate_name(&self) -> Option<&str>
fn reflect_crate_name(&self) -> Option<&str>
See
TypePath::crate_name
.§fn reflect_module_path(&self) -> Option<&str>
fn reflect_module_path(&self) -> Option<&str>
§impl<S> FromSample<S> for S
impl<S> FromSample<S> for S
fn from_sample_(s: S) -> S
§impl<T> FromWorld for Twhere
T: Default,
impl<T> FromWorld for Twhere
T: Default,
§fn from_world(_world: &mut World) -> T
fn from_world(_world: &mut World) -> T
Creates
Self
using data from the given World
.§impl<T> GetPath for T
impl<T> GetPath for T
§fn reflect_path<'p>(
&self,
path: impl ReflectPath<'p>
) -> Result<&(dyn Reflect + 'static), ReflectPathError<'p>>
fn reflect_path<'p>( &self, path: impl ReflectPath<'p> ) -> Result<&(dyn Reflect + 'static), ReflectPathError<'p>>
Returns a reference to the value specified by
path
. Read more§fn reflect_path_mut<'p>(
&mut self,
path: impl ReflectPath<'p>
) -> Result<&mut (dyn Reflect + 'static), ReflectPathError<'p>>
fn reflect_path_mut<'p>( &mut self, path: impl ReflectPath<'p> ) -> Result<&mut (dyn Reflect + 'static), ReflectPathError<'p>>
Returns a mutable reference to the value specified by
path
. Read more§fn path<'p, T>(
&self,
path: impl ReflectPath<'p>
) -> Result<&T, ReflectPathError<'p>>where
T: Reflect,
fn path<'p, T>(
&self,
path: impl ReflectPath<'p>
) -> Result<&T, ReflectPathError<'p>>where
T: Reflect,
Returns a statically typed reference to the value specified by
path
. Read more§fn path_mut<'p, T>(
&mut self,
path: impl ReflectPath<'p>
) -> Result<&mut T, ReflectPathError<'p>>where
T: Reflect,
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&mut self,
path: impl ReflectPath<'p>
) -> Result<&mut T, ReflectPathError<'p>>where
T: Reflect,
Returns a statically typed mutable reference to the value specified by
path
. Read more