Struct HardScroller 

pub struct HardScroller {
    pub position: f32,
    pub scale: f32,
}

Direct scroll offset without momentum.

Fields

position: f32

Current scroll offset on this axis.

scale: f32

Multiplier applied to scroll deltas.

Implementations

impl HardScroller

pub fn new(scale: f32) -> Self

Creates a hard scroller at position zero.

pub fn direct_set_position(&mut self, position: f32)

Sets the scroll position directly.

pub fn update(&mut self, d_scroll: f32, _dt: f32)

Applies a scroll delta for one frame.

Examples

use cotis_interactivity::scroll::HardScroller;

let mut scroller = HardScroller::new(1.0);
scroller.update(5.0, 0.0);
assert_eq!(scroller.get_position(), 5.0);

pub fn get_position(&self) -> f32

Returns the current scroll offset.

Trait Implementations

impl Clone for HardScroller

fn clone(&self) -> HardScroller

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for HardScroller

impl Debug for HardScroller

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

Formats the value using the given formatter.