Lint and format src/runtime/easing/index.js

pull/8569/head
S. Elliott Johnson 3 years ago
parent 36c2a19800
commit b6c83ad0b3

@ -8,8 +8,7 @@ export { identity as linear } from '../internal';
*/ */
export function backInOut(t) { export function backInOut(t) {
const s = 1.70158 * 1.525; const s = 1.70158 * 1.525;
if ((t *= 2) < 1) if ((t *= 2) < 1) return 0.5 * (t * t * ((s + 1) * t - s));
return 0.5 * (t * t * ((s + 1) * t - s));
return 0.5 * ((t -= 2) * t * ((s + 1) * t + s) + 2); return 0.5 * ((t -= 2) * t * ((s + 1) * t + s) + 2);
} }
/** @param {number} t /** @param {number} t
@ -61,8 +60,7 @@ export function bounceIn(t) {
* @returns {number} * @returns {number}
*/ */
export function circInOut(t) { export function circInOut(t) {
if ((t *= 2) < 1) if ((t *= 2) < 1) return -0.5 * (Math.sqrt(1 - t * t) - 1);
return -0.5 * (Math.sqrt(1 - t * t) - 1);
return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
} }
/** @param {number} t /** @param {number} t
@ -146,8 +144,7 @@ export function expoOut(t) {
*/ */
export function quadInOut(t) { export function quadInOut(t) {
t /= 0.5; t /= 0.5;
if (t < 1) if (t < 1) return 0.5 * t * t;
return 0.5 * t * t;
t--; t--;
return -0.5 * (t * (t - 2) - 1); return -0.5 * (t * (t - 2) - 1);
} }
@ -185,8 +182,7 @@ export function quartOut(t) {
* @returns {number} * @returns {number}
*/ */
export function quintInOut(t) { export function quintInOut(t) {
if ((t *= 2) < 1) if ((t *= 2) < 1) return 0.5 * t * t * t * t * t;
return 0.5 * t * t * t * t * t;
return 0.5 * ((t -= 2) * t * t * t * t + 2); return 0.5 * ((t -= 2) * t * t * t * t + 2);
} }
/** @param {number} t /** @param {number} t
@ -212,10 +208,8 @@ export function sineInOut(t) {
*/ */
export function sineIn(t) { export function sineIn(t) {
const v = Math.cos(t * Math.PI * 0.5); const v = Math.cos(t * Math.PI * 0.5);
if (Math.abs(v) < 1e-14) if (Math.abs(v) < 1e-14) return 1;
return 1; else return 1 - v;
else
return 1 - v;
} }
/** @param {number} t /** @param {number} t
* @returns {number} * @returns {number}
@ -223,7 +217,3 @@ export function sineIn(t) {
export function sineOut(t) { export function sineOut(t) {
return Math.sin((t * Math.PI) / 2); return Math.sin((t * Math.PI) / 2);
} }

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