You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
11 lines
447 B
JavaScript
11 lines
447 B
JavaScript
// Inspired by https://github.com/material-components/material-components-ios/blob/bca36107405594d5b7b16265a5b0ed698f85a5ee/components/Elevation/src/UIColor%2BMaterialElevation.m#L61
|
|
const getOverlayAlpha = elevation => {
|
|
let alphaValue;
|
|
if (elevation < 1) {
|
|
alphaValue = 5.11916 * elevation ** 2;
|
|
} else {
|
|
alphaValue = 4.5 * Math.log(elevation + 1) + 2;
|
|
}
|
|
return (alphaValue / 100).toFixed(2);
|
|
};
|
|
export default getOverlayAlpha; |