Scripts/resources/[standalone]/rprogress/ui/js/easings.js
2024-12-29 21:02:43 +01:00

158 lines
4.8 KiB
JavaScript

const easings = {
easeLinear: (t, b, c, d) => c * t / d + b,
// ease-in
easeInQuad: (t, b, c, d) =>
c * (t /= d) * t + b,
easeInCubic: (t, b, c, d) =>
c * (t /= d) * t * t + b,
easeInQuart: (t, b, c, d) =>
c * (t /= d) * t * t * t + b,
easeInQuint: (t, b, c, d) =>
c * (t /= d) * t * t * t * t + b,
easeInSine: (t, b, c, d) =>
-c * Math.cos(t / d * (Math.PI / 2)) + c + b,
easeInExpo: (t, b, c, d) =>
t == 0 ? b : c * Math.pow(2, 10 * (t / d - 1)) + b,
easeInCirc: (t, b, c, d) =>
-c * (Math.sqrt(1 - (t /= d) * t) - 1) + b,
easeInElastic: (t, b, c, d) => {
var s = 1.70158;
var p = 0;
var a = c;
if (t == 0) return b;
if ((t /= d) == 1) return b + c;
if (!p) p = d * .3;
if (a < Math.abs(c)) {
a = c;
var s = p / 4;
} else var s = p / (2 * Math.PI) * Math.asin(c / a);
return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
},
easeInBack: (t, b, c, d, s) => {
if (s == undefined) s = 1.70158;
return c * (t /= d) * t * ((s + 1) * t - s) + b;
},
// ease-out
easeOutQuad: (t, b, c, d) =>
-c * (t /= d) * (t - 2) + b,
easeOutCubic: (t, b, c, d) =>
c * ((t = t / d - 1) * t * t + 1) + b,
easeOutQuart: (t, b, c, d) =>
-c * ((t = t / d - 1) * t * t * t - 1) + b,
easeOutQuint: (t, b, c, d) =>
c * ((t = t / d - 1) * t * t * t * t + 1) + b,
easeOutSine: (t, b, c, d) =>
c * Math.sin(t / d * (Math.PI / 2)) + b,
easeOutExpo: (t, b, c, d) =>
t == d ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b,
easeOutCirc: (t, b, c, d) =>
c * Math.sqrt(1 - (t = t / d - 1) * t) + b,
easeOutElastic: (t, b, c, d) => {
var s = 1.70158;
var p = 0;
var a = c;
if (t == 0) return b;
if ((t /= d) == 1) return b + c;
if (!p) p = d * .3;
if (a < Math.abs(c)) {
a = c;
var s = p / 4;
} else var s = p / (2 * Math.PI) * Math.asin(c / a);
return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
},
easeOutBack: (t, b, c, d, s) => {
if (s == undefined) s = 1.70158;
return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
},
easeOutBounce: (t, b, c, d) => {
if ((t /= d) < (1 / 2.75)) {
return c * (7.5625 * t * t) + b;
} else if (t < (2 / 2.75)) {
return c * (7.5625 * (t -= (1.5 / 2.75)) * t + .75) + b;
} else if (t < (2.5 / 2.75)) {
return c * (7.5625 * (t -= (2.25 / 2.75)) * t + .9375) + b;
} else {
return c * (7.5625 * (t -= (2.625 / 2.75)) * t + .984375) + b;
}
},
// ease-in-out
easeInOutQuad: (t, b, c, d) => {
if ((t /= d / 2) < 1) return c / 2 * t * t + b;
return -c / 2 * ((--t) * (t - 2) - 1) + b;
},
easeInOutCubic: (t, b, c, d) => {
if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
return c / 2 * ((t -= 2) * t * t + 2) + b;
},
easeInOutQuart: (t, b, c, d) => {
if ((t /= d / 2) < 1) return c / 2 * t * t * t * t + b;
return -c / 2 * ((t -= 2) * t * t * t - 2) + b;
},
easeInOutQuint: (t, b, c, d) => {
if ((t /= d / 2) < 1) return c / 2 * t * t * t * t * t + b;
return c / 2 * ((t -= 2) * t * t * t * t + 2) + b;
},
easeInOutSine: (t, b, c, d) =>
-c / 2 * (Math.cos(Math.PI * t / d) - 1) + b,
easeInOutExpo: (t, b, c, d) => {
if (t == 0) return b;
if (t == d) return b + c;
if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
},
easeInOutCirc: (t, b, c, d) => {
if ((t /= d / 2) < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;
},
easeInOutElastic: (t, b, c, d) => {
var s = 1.70158;
var p = 0;
var a = c;
if (t == 0) return b;
if ((t /= d / 2) == 2) return b + c;
if (!p) p = d * (.3 * 1.5);
if (a < Math.abs(c)) {
a = c;
var s = p / 4;
} else var s = p / (2 * Math.PI) * Math.asin(c / a);
if (t < 1) return -.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * .5 + c + b;
},
easeInOutBack: (t, b, c, d, s) => {
if (s == undefined) s = 1.70158;
if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
},
};