@tldraw/editor/dist-esm/lib/primitives/easings.mjs

tldraw infinite canvas SDK (editor).

const EASINGS = {
  linear: (t) => t,
  easeInQuad: (t) => t * t,
  easeOutQuad: (t) => t * (2 - t),
  easeInOutQuad: (t) => t < 0.5 ? 2 * t * t : -1 + (4 - 2 * t) * t,
  easeInCubic: (t) => t * t * t,
  easeOutCubic: (t) => --t * t * t + 1,
  easeInOutCubic: (t) => t < 0.5 ? 4 * t * t * t : (t - 1) * (2 * t - 2) * (2 * t - 2) + 1,
  easeInQuart: (t) => t * t * t * t,
  easeOutQuart: (t) => 1 - --t * t * t * t,
  easeInOutQuart: (t) => t < 0.5 ? 8 * t * t * t * t : 1 - 8 * --t * t * t * t,
  easeInQuint: (t) => t * t * t * t * t,
  easeOutQuint: (t) => 1 + --t * t * t * t * t,
  easeInOutQuint: (t) => t < 0.5 ? 16 * t * t * t * t * t : 1 + 16 * --t * t * t * t * t,
  easeInSine: (t) => 1 - Math.cos(t * Math.PI / 2),
  easeOutSine: (t) => Math.sin(t * Math.PI / 2),
  easeInOutSine: (t) => -(Math.cos(Math.PI * t) - 1) / 2,
  easeInExpo: (t) => t <= 0 ? 0 : Math.pow(2, 10 * t - 10),
  easeOutExpo: (t) => t >= 1 ? 1 : 1 - Math.pow(2, -10 * t),
  easeInOutExpo: (t) => t <= 0 ? 0 : t >= 1 ? 1 : t < 0.5 ? Math.pow(2, 20 * t - 10) / 2 : (2 - Math.pow(2, -20 * t + 10)) / 2
};
export {
  EASINGS
};
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