19 lines
758 B
JavaScript
19 lines
758 B
JavaScript
import { spring } from '../../animation/generators/spring/index.mjs';
|
|
import { calcGeneratorDuration, maxGeneratorDuration } from '../../animation/generators/utils/calc-duration.mjs';
|
|
import { millisecondsToSeconds } from '../../utils/time-conversion.mjs';
|
|
|
|
/**
|
|
* Create a progress => progress easing function from a generator.
|
|
*/
|
|
function createGeneratorEasing(options, scale = 100) {
|
|
const generator = spring({ keyframes: [0, scale], ...options });
|
|
const duration = Math.min(calcGeneratorDuration(generator), maxGeneratorDuration);
|
|
return {
|
|
type: "keyframes",
|
|
ease: (progress) => generator.next(duration * progress).value / scale,
|
|
duration: millisecondsToSeconds(duration),
|
|
};
|
|
}
|
|
|
|
export { createGeneratorEasing };
|