Struct amethyst_ui::UiTransformSystem

pub struct UiTransformSystem { /* fields omitted */ }

Manages the Parent component on entities having UiTransform It does almost the same as the TransformSystem, but with some differences, like UiTransform alignment and stretching.

Trait Implementations

impl Default for UiTransformSystem

fn default() -> UiTransformSystem

Returns the "default value" for a type.

impl<'a> System<'a> for UiTransformSystem

type SystemData = (Entities<'a>, WriteStorage<'a, UiTransform>, ReadStorage<'a, Parent>, ReadExpect<'a, ScreenDimensions>, ReadExpect<'a, ParentHierarchy>)

The resource bundle required to execute this system.

fn run(&mut self, data: Self::SystemData)

Executes the system with the required system data.

fn setup(&mut self, res: &mut Resources)

Sets up the Resources using Self::SystemData::setup.

fn running_time(&self) -> RunningTime

Returns a hint how long the system needs for running. This is used to optimize the way they're executed (might allow more parallelization).

fn accessor(&'b self) -> AccessorCow<'a, 'b, Self>

Return the accessor from the SystemData.