easing_functions example: draw point closer to its curve (#15744)

# Objective

- After #15711 which added a column to the example, the point of a curve
was too close to the next curve

## Solution

- Make it closer to its own

examples/animation/easing_functions.rs

@@ -88,7 +88,7 @@ fn setup(mut commands: Commands) {
  color,
  ..default()
  },
- transform: Transform::from_xyz(110.0, 15.0, 0.0),
+ transform: Transform::from_xyz(SIZE_PER_FUNCTION + 5.0, 15.0, 0.0),
  ..default()
  });
  p.spawn(SpriteBundle {
@@ -113,6 +113,8 @@ fn setup(mut commands: Commands) {
  );
 }
 
+const SIZE_PER_FUNCTION: f32 = 95.0;
+
 fn display_curves(
  mut gizmos: Gizmos,
  ease_functions: Query<(&SelectedEaseFunction, &Transform, &Children)>,
@@ -121,7 +123,6 @@ fn display_curves(
  time: Res<Time>,
 ) {
  let samples = 100;
- let size = 95.0;
  let duration = 2.5;
  let time_margin = 0.5;
 
@@ -136,16 +137,16 @@ fn display_curves(
  [
  Vec2::new(transform.translation.x, transform.translation.y + 15.0),
  Vec2::new(
- transform.translation.x + size,
+ transform.translation.x + SIZE_PER_FUNCTION,
  transform.translation.y + 15.0,
  ),
  Vec2::new(
- transform.translation.x + size,
- transform.translation.y + 15.0 + size,
+ transform.translation.x + SIZE_PER_FUNCTION,
+ transform.translation.y + 15.0 + SIZE_PER_FUNCTION,
  ),
  Vec2::new(
  transform.translation.x,
- transform.translation.y + 15.0 + size,
+ transform.translation.y + 15.0 + SIZE_PER_FUNCTION,
  ),
  Vec2::new(transform.translation.x, transform.translation.y + 15.0),
  ],
@@ -156,8 +157,8 @@ fn display_curves(
  let f = easing_curve(0.0, 1.0, *function);
  let drawn_curve = f.by_ref().graph().map(|(x, y)| {
  Vec2::new(
- x * size + transform.translation.x,
- y * size + transform.translation.y + 15.0,
+ x * SIZE_PER_FUNCTION + transform.translation.x,
+ y * SIZE_PER_FUNCTION + transform.translation.y + 15.0,
  )
  });
  gizmos.curve_2d(
@@ -167,13 +168,17 @@ fn display_curves(
  );
 
  // Show progress along the curve for the current time
- let y = f.sample(now).unwrap() * size + 15.0;
+ let y = f.sample(now).unwrap() * SIZE_PER_FUNCTION + 15.0;
  transforms.get_mut(children[0]).unwrap().translation.y = y;
- transforms.get_mut(children[1]).unwrap().translation = Vec3::new(now * size, y, 0.0);
+ transforms.get_mut(children[1]).unwrap().translation =
+ Vec3::new(now * SIZE_PER_FUNCTION, y, 0.0);
  gizmos.linestrip_2d(
  [
  Vec2::new(transform.translation.x, transform.translation.y + y),
- Vec2::new(transform.translation.x + size, transform.translation.y + y),
+ Vec2::new(
+ transform.translation.x + SIZE_PER_FUNCTION,
+ transform.translation.y + y,
+ ),
  ],
  color.darker(0.2),
  );