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GlobalTransform

Struct GlobalTransform 

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pub struct GlobalTransform(pub Mat4);
Expand description

全局变换组件,表示世界空间中的最终变换。

GlobalTransform 通常由层次变换系统计算,表示对象在世界空间中的最终位置、旋转和缩放。 它使用 4x4 矩阵存储,以提供高效的变换操作。

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§0: Mat4

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impl GlobalTransform

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pub const IDENTITY: GlobalTransform

单位全局变换

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pub fn from_matrix(matrix: Mat4) -> GlobalTransform

从变换矩阵创建全局变换

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pub fn from_transform(transform: &Transform) -> GlobalTransform

从本地变换创建全局变换

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pub fn matrix(&self) -> Mat4

获取变换矩阵

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pub fn translation(&self) -> Vec3

获取位置分量

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pub fn rotation(&self) -> Quat

获取旋转分量

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pub fn scale(&self) -> Vec3

获取缩放分量

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pub fn transform_point(&self, point: Vec3) -> Vec3

应用全局变换到点

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pub fn transform_vector(&self, vector: Vec3) -> Vec3

应用全局变换到向量(忽略平移)

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pub fn mul_transform(&self, other: &GlobalTransform) -> GlobalTransform

组合全局变换

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pub fn inverse(&self) -> Result<GlobalTransform, AnvilKitError>

获取全局变换的逆变换

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pub fn is_finite(&self) -> bool

检查全局变换是否有效

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impl Clone for GlobalTransform

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fn clone(&self) -> GlobalTransform

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Component for GlobalTransform
where GlobalTransform: Send + Sync + 'static,

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const STORAGE_TYPE: StorageType = bevy_ecs::component::StorageType::Table

A constant indicating the storage type used for this component.
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fn register_component_hooks(_hooks: &mut ComponentHooks)

Called when registering this component, allowing mutable access to its ComponentHooks.
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impl Debug for GlobalTransform

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

Formats the value using the given formatter. Read more
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impl Default for GlobalTransform

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fn default() -> GlobalTransform

Returns the “default value” for a type. Read more
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impl From<Mat4> for GlobalTransform

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fn from(matrix: Mat4) -> GlobalTransform

Converts to this type from the input type.
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impl From<Transform> for GlobalTransform

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fn from(transform: Transform) -> GlobalTransform

Converts to this type from the input type.
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impl PartialEq for GlobalTransform

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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impl StructuralPartialEq for GlobalTransform

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<C> Bundle for C
where C: Component,

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fn component_ids( components: &mut Components, storages: &mut Storages, ids: &mut impl FnMut(ComponentId), )

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unsafe fn from_components<T, F>(ctx: &mut T, func: &mut F) -> C
where F: for<'a> FnMut(&'a mut T) -> OwningPtr<'a>,

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fn get_component_ids( components: &Components, ids: &mut impl FnMut(Option<ComponentId>), )

Gets this Bundle’s component ids. This will be None if the component has not been registered.
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> Downcast for T
where T: Any,

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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.
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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.
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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.
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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.
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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<C> DynamicBundle for C
where C: Component,

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fn get_components(self, func: &mut impl FnMut(StorageType, OwningPtr<'_>))

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromWorld for T
where T: Default,

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fn from_world(_world: &mut World) -> T

Creates Self using data from the given World.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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Creates owned data from borrowed data, usually by cloning. Read more
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Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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Performs the conversion.
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where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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Performs the conversion.
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where S: Into<Dispatch>,

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