Struct TouchPoint

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pub struct TouchPoint {
    pub id: TouchId,
    pub start_position: Point,
    pub current_position: Point,
    pub previous_position: Point,
    pub start_time: Instant,
    pub pressure: f32,
}

Expand description

Active touch point being tracked.

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§id: TouchId

Touch ID.

§start_position: Point

Starting position.

§current_position: Point

Current position.

§previous_position: Point

Previous position.

§start_time: Instant

When the touch started.

§pressure: f32

Pressure (0.0-1.0).

Implementations§

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impl TouchPoint

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pub fn new(id: TouchId, position: Point, pressure: f32) -> Self

Create a new touch point.

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pub fn update(&mut self, position: Point, pressure: f32)

Update the touch point position.

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pub fn total_distance(&self) -> f32

Get the total distance moved from start.

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pub fn delta(&self) -> Point

Get the delta from previous position.

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pub fn duration(&self) -> Duration

Get duration since touch started.

Trait Implementations§

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impl Clone for TouchPoint

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fn clone(&self) -> TouchPoint

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 Debug for TouchPoint

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for TouchPoint

Blanket 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<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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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