mirror of https://github.com/sveltejs/svelte
pushkine
6 years ago
parent
654bcfda7e
commit
a26a75eba6
@ -1,171 +1,69 @@
|
||||
/*
|
||||
Adapted from https://github.com/mattdesl
|
||||
Distributed under MIT License https://github.com/mattdesl/eases/blob/master/LICENSE.md
|
||||
*/
|
||||
|
||||
export { identity as linear } from 'svelte/internal';
|
||||
|
||||
export function backInOut(t: number) {
|
||||
const s = 1.70158 * 1.525;
|
||||
if ((t *= 2) < 1) return 0.5 * (t * t * ((s + 1) * t - s));
|
||||
return 0.5 * ((t -= 2) * t * ((s + 1) * t + s) + 2);
|
||||
}
|
||||
|
||||
export function backIn(t: number) {
|
||||
const s = 1.70158;
|
||||
return t * t * ((s + 1) * t - s);
|
||||
}
|
||||
|
||||
export function backOut(t: number) {
|
||||
const s = 1.70158;
|
||||
return --t * t * ((s + 1) * t + s) + 1;
|
||||
}
|
||||
|
||||
export function bounceOut(t: number) {
|
||||
const a = 4.0 / 11.0;
|
||||
const b = 8.0 / 11.0;
|
||||
const c = 9.0 / 10.0;
|
||||
|
||||
const ca = 4356.0 / 361.0;
|
||||
const cb = 35442.0 / 1805.0;
|
||||
const cc = 16061.0 / 1805.0;
|
||||
|
||||
const t2 = t * t;
|
||||
|
||||
return t < a
|
||||
? 7.5625 * t2
|
||||
: t < b
|
||||
? 9.075 * t2 - 9.9 * t + 3.4
|
||||
: t < c
|
||||
? ca * t2 - cb * t + cc
|
||||
: 10.8 * t * t - 20.52 * t + 10.72;
|
||||
}
|
||||
|
||||
export function bounceInOut(t: number) {
|
||||
return t < 0.5
|
||||
? 0.5 * (1.0 - bounceOut(1.0 - t * 2.0))
|
||||
: 0.5 * bounceOut(t * 2.0 - 1.0) + 0.5;
|
||||
}
|
||||
|
||||
export function bounceIn(t: number) {
|
||||
return 1.0 - bounceOut(1.0 - t);
|
||||
}
|
||||
|
||||
export function circInOut(t: number) {
|
||||
if ((t *= 2) < 1) return -0.5 * (Math.sqrt(1 - t * t) - 1);
|
||||
return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
|
||||
}
|
||||
|
||||
export function circIn(t: number) {
|
||||
return 1.0 - Math.sqrt(1.0 - t * t);
|
||||
}
|
||||
|
||||
export function circOut(t: number) {
|
||||
return Math.sqrt(1 - --t * t);
|
||||
}
|
||||
|
||||
export function cubicInOut(t: number) {
|
||||
return t < 0.5 ? 4.0 * t * t * t : 0.5 * Math.pow(2.0 * t - 2.0, 3.0) + 1.0;
|
||||
}
|
||||
|
||||
export function cubicIn(t: number) {
|
||||
return t * t * t;
|
||||
}
|
||||
|
||||
export function cubicOut(t: number) {
|
||||
const f = t - 1.0;
|
||||
return f * f * f + 1.0;
|
||||
}
|
||||
|
||||
export function elasticInOut(t: number) {
|
||||
return t < 0.5
|
||||
? 0.5 *
|
||||
Math.sin(((+13.0 * Math.PI) / 2) * 2.0 * t) *
|
||||
Math.pow(2.0, 10.0 * (2.0 * t - 1.0))
|
||||
: 0.5 *
|
||||
Math.sin(((-13.0 * Math.PI) / 2) * (2.0 * t - 1.0 + 1.0)) *
|
||||
Math.pow(2.0, -10.0 * (2.0 * t - 1.0)) +
|
||||
1.0;
|
||||
}
|
||||
|
||||
export function elasticIn(t: number) {
|
||||
return Math.sin((13.0 * t * Math.PI) / 2) * Math.pow(2.0, 10.0 * (t - 1.0));
|
||||
}
|
||||
|
||||
export function elasticOut(t: number) {
|
||||
return (
|
||||
Math.sin((-13.0 * (t + 1.0) * Math.PI) / 2) * Math.pow(2.0, -10.0 * t) + 1.0
|
||||
);
|
||||
}
|
||||
|
||||
export function expoInOut(t: number) {
|
||||
return t === 0.0 || t === 1.0
|
||||
? t
|
||||
: t < 0.5
|
||||
? +0.5 * Math.pow(2.0, 20.0 * t - 10.0)
|
||||
: -0.5 * Math.pow(2.0, 10.0 - t * 20.0) + 1.0;
|
||||
}
|
||||
|
||||
export function expoIn(t: number) {
|
||||
return t === 0.0 ? t : Math.pow(2.0, 10.0 * (t - 1.0));
|
||||
}
|
||||
|
||||
export function expoOut(t: number) {
|
||||
return t === 1.0 ? t : 1.0 - Math.pow(2.0, -10.0 * t);
|
||||
}
|
||||
|
||||
export function quadInOut(t: number) {
|
||||
t /= 0.5;
|
||||
if (t < 1) return 0.5 * t * t;
|
||||
t--;
|
||||
return -0.5 * (t * (t - 2) - 1);
|
||||
}
|
||||
|
||||
export function quadIn(t: number) {
|
||||
return t * t;
|
||||
}
|
||||
|
||||
export function quadOut(t: number) {
|
||||
return -t * (t - 2.0);
|
||||
}
|
||||
|
||||
export function quartInOut(t: number) {
|
||||
return t < 0.5
|
||||
? +8.0 * Math.pow(t, 4.0)
|
||||
: -8.0 * Math.pow(t - 1.0, 4.0) + 1.0;
|
||||
}
|
||||
|
||||
export function quartIn(t: number) {
|
||||
return Math.pow(t, 4.0);
|
||||
}
|
||||
|
||||
export function quartOut(t: number) {
|
||||
return Math.pow(t - 1.0, 3.0) * (1.0 - t) + 1.0;
|
||||
}
|
||||
|
||||
export function quintInOut(t: number) {
|
||||
if ((t *= 2) < 1) return 0.5 * t * t * t * t * t;
|
||||
return 0.5 * ((t -= 2) * t * t * t * t + 2);
|
||||
}
|
||||
|
||||
export function quintIn(t: number) {
|
||||
return t * t * t * t * t;
|
||||
}
|
||||
|
||||
export function quintOut(t: number) {
|
||||
return --t * t * t * t * t + 1;
|
||||
}
|
||||
|
||||
export function sineInOut(t: number) {
|
||||
return -0.5 * (Math.cos(Math.PI * t) - 1);
|
||||
}
|
||||
|
||||
export function sineIn(t: number) {
|
||||
const v = Math.cos(t * Math.PI * 0.5);
|
||||
if (Math.abs(v) < 1e-14) return 1;
|
||||
else return 1 - v;
|
||||
}
|
||||
|
||||
export function sineOut(t: number) {
|
||||
return Math.sin((t * Math.PI) / 2);
|
||||
}
|
||||
export const quadIn = (t: number) => t ** 2;
|
||||
export const quadOut = (t: number) => 1.0 - (1.0 - t) ** 2;
|
||||
export const quadInOut = (t: number) => 0.5 * (t >= 0.5 ? 2 - 2 * (1.0 - t) ** 2 : (2 * t) ** 2);
|
||||
export const cubicIn = (t: number) => t ** 3;
|
||||
export const cubicOut = (t: number) => 1.0 - (1.0 - t) ** 3;
|
||||
export const cubicInOut = (t: number) => 0.5 * (t >= 0.5 ? 2 - (2 * (1.0 - t)) ** 3 : (2 * t) ** 3);
|
||||
export const quartIn = (t: number) => t ** 4;
|
||||
export const quartOut = (t: number) => 1.0 - (1.0 - t) ** 4;
|
||||
export const quartInOut = (t: number) => 0.5 * (t >= 0.5 ? 2 - (2 * (1.0 - t)) ** 4 : (2 * t) ** 4);
|
||||
export const easeIn = quartIn;
|
||||
export const easeOut = quartOut;
|
||||
export const easeInOut = quartInOut;
|
||||
export const quintIn = (t: number) => t ** 5;
|
||||
export const quintOut = (t: number) => 1.0 - (1.0 - t) ** 5;
|
||||
export const quintInOut = (t: number) => 0.5 * (t >= 0.5 ? 2 - (2 * (1.0 - t)) ** 5 : (2 * t) ** 5);
|
||||
export const backIn = (t: number) => t * t * (2.6 * t - 1.6);
|
||||
export const backOut = (t: number) => 1 - (t = 1.0 - t) * t * (2.6 * t - 1.6);
|
||||
export const backInOut = (t: number) =>
|
||||
0.5 * (t >= 0.5 ? 2 - (t = 2 * (1 - t)) * t * (2.6 * t - 1.6) : (t = 2 * t) * t * (2.6 * t - 1.6));
|
||||
export const expoIn = (t: number) => (t ? Math.pow(2.0, 10.0 * (t - 1.0)) : t);
|
||||
export const expoOut = (t: number) => (t ? 1.0 - Math.pow(2.0, -10.0 * t) : t);
|
||||
export const expoInOut = (t: number) =>
|
||||
!t || t === 1.0 ? t : t < 0.5 ? 0.5 * Math.pow(2.0, 20.0 * t - 10.0) : -0.5 * Math.pow(2.0, 10.0 - t * 20.0) + 1.0;
|
||||
export const elasticIn = (t: number) => Math.sin((13.0 * t * Math.PI) / 2) * Math.pow(2.0, 10.0 * (t - 1.0));
|
||||
export const elasticOut = (t: number) => Math.sin((-13.0 * (t + 1.0) * Math.PI) / 2) * Math.pow(2.0, -10.0 * t) + 1.0;
|
||||
export const elasticInOut = (t: number) =>
|
||||
t < 0.5
|
||||
? 0.5 * Math.sin(((+13.0 * Math.PI) / 2) * 2.0 * t) * Math.pow(2.0, 10.0 * (2.0 * t - 1.0))
|
||||
: 0.5 * Math.sin(((-13.0 * Math.PI) / 2) * (2.0 * t - 1.0 + 1.0)) * Math.pow(2.0, -10.0 * (2.0 * t - 1.0)) + 1.0;
|
||||
export const bounceOut = (t: number) =>
|
||||
4 / 11 > t
|
||||
? 7.5625 * t * t
|
||||
: 8 / 11 > t
|
||||
? 3.4 + 9.075 * t * t - 9.9 * t
|
||||
: 9 / 10 > t
|
||||
? 16061.0 / 1805.0 + (4356.0 * t * t) / 361.0 - (35442.0 * t) / 1805.0
|
||||
: 10.72 + 10.8 * t * t - 20.52 * t;
|
||||
export const bounceIn = (t: number) => 1.0 - bounceOut(1.0 - t);
|
||||
export const bounceInOut = (t: number) =>
|
||||
t < 0.5 ? 0.5 * (1.0 - bounceOut(1.0 - t * 2.0)) : 0.5 * bounceOut(t * 2.0 - 1.0) + 0.5;
|
||||
export const sineIn = (t: number) => (1e-14 > Math.abs((t = Math.cos(t * Math.PI * 0.5))) ? 1.0 : 1.0 - t);
|
||||
export const sineOut = (t: number) => Math.sin((t * Math.PI) / 2);
|
||||
export const sineInOut = (t: number) => -0.5 * (Math.cos(Math.PI * t) - 1);
|
||||
export const circIn = (t: number) => 1 - Math.sin(Math.acos(t));
|
||||
export const circOut = (t: number) => Math.sin(Math.acos(1 - t));
|
||||
export const circInOut = (t: number) =>
|
||||
0.5 * (t >= 0.5 ? 2.0 - Math.sin(Math.acos(1.0 - 2.0 * (1.0 - t))) : Math.sin(Math.acos(1.0 - 2.0 * t)));
|
||||
export const cubicBezier = (x1: number, y1: number, x2: number, y2: number) => {
|
||||
const ax = 1.0 - (x2 = 3.0 * (x2 - x1) - (x1 = 3.0 * x1)) - x1,
|
||||
ay = 1.0 - (y2 = 3.0 * (y2 - y1) - (y1 = 3.0 * y1)) - y1;
|
||||
let r = Number.NaN,
|
||||
s = Number.NaN,
|
||||
d = Number.NaN,
|
||||
x = Number.NaN;
|
||||
return (t: number) => {
|
||||
r = t;
|
||||
for (let i = 0; 32 > i; i++)
|
||||
if (1e-5 > Math.abs((x = r * r * (r * ax + x1 + x2) - t))) return r * (r * (r * ay + y2) + y1);
|
||||
else if (1e-5 > Math.abs((d = r * (r * ax * 3.0 + x2 * 2.0) + x1))) break;
|
||||
else r = r - x / d;
|
||||
if ((s = 0.0) > (r = t)) return 0;
|
||||
else if ((d = 1.0) > r) return 1;
|
||||
while (d > s)
|
||||
if (1e-5 > Math.abs((x = r * (r * (r * ax + x2) + x1)) - t)) break;
|
||||
else t > x ? (s = r) : (d = r), (r = 0.5 * (d - s) + s);
|
||||
return r * (r * (r * ay + y2) + y1);
|
||||
};
|
||||
};
|
||||
|
||||
@ -1,18 +1,16 @@
|
||||
import { noop } from './utils';
|
||||
|
||||
export const is_client = typeof window !== 'undefined';
|
||||
export const is_iframe = is_client && window.location !== window.parent.location;
|
||||
|
||||
export let now: () => number = is_client
|
||||
? () => window.performance.now()
|
||||
: () => Date.now();
|
||||
export let now = is_client ? window.performance.now : () => Date.now();
|
||||
|
||||
export let raf = is_client ? cb => requestAnimationFrame(cb) : noop;
|
||||
export let raf = is_client ? window.requestAnimationFrame : noop;
|
||||
|
||||
// used internally for testing
|
||||
export function set_now(fn) {
|
||||
now = fn;
|
||||
}
|
||||
|
||||
export function set_raf(fn) {
|
||||
raf = fn;
|
||||
}
|
||||
|
||||
Loading…
Reference in new issue