Trait libre_pvz_animation::curve::TypedCurve

pub trait TypedCurve: Curve {
    type Value: PartialEq + 'static;
    type FieldAccessor: for<'a> AffineFoldRef<'a, Self::Component, View = Self::Value, Error = String> + for<'a> AffineFoldMut<'a, Self::Component, View = Self::Value, Error = String>;

    // Required methods
    fn sample(&self, segment: Segment, frame: f32) -> Option<Self::Value>;
    fn field_accessor(&self) -> &Self::FieldAccessor;

    // Provided methods
    fn read_field<'a>(
        &self,
        target: &'a Self::Component
    ) -> Result<&'a Self::Value, String> { ... }
    fn update_field(
        &self,
        target: impl AnyComponent<Self::Component>,
        value: Self::Value
    ) -> Result<(), String> { ... }
}

Animation curve with known single variable type.

Required Associated Types

type Value: PartialEq + 'static

Value type for this curve.

type FieldAccessor: for<'a> AffineFoldRef<'a, Self::Component, View = Self::Value, Error = String> + for<'a> AffineFoldMut<'a, Self::Component, View = Self::Value, Error = String>

Field accessor.

Required Methods

fn sample(&self, segment: Segment, frame: f32) -> Option<Self::Value>

Sample the curve at specific frame index.

To support looping, we require sample be well-defined for any positive frame number. The curve should behave as if the first frame immediately follows the last frame. However, it is okay for this sampling function to assume start + frame <= end + 1 will always hold.

fn field_accessor(&self) -> &Self::FieldAccessor

Get a field accessor for the targeted field.

Provided Methods

fn read_field<'a>( &self, target: &'a Self::Component ) -> Result<&'a Self::Value, String>

Read the current value from the target field.

fn update_field( &self, target: impl AnyComponent<Self::Component>, value: Self::Value ) -> Result<(), String>

Update the field in the component with a new value.

Object Safety

This trait is not object safe.

Implementors

impl<S, F, C> TypedCurve for KeyframeCurve<S, F, C>

where S: 'static, C: CurveContent<Keyframe = F::View>, F::View: PartialEq + Animatable + Sized + Send + Sync + 'static, F: Send + Sync + 'static + for<'a> AffineFoldRef<'a, S, Error = String> + for<'a> AffineFoldMut<'a, S, Error = String>,

type Value = <F as Optics<S>>::View

type FieldAccessor = F