popmotion/lib/utils/distance.js

The animator's toolbox

import { isPoint } from "./is-point";
import { isPoint3D } from "./is-point-3d";
import { isNum } from "./inc";
var distance1D = function (a, b) { return Math.abs(a - b); };
export function distance(a, b) {
    if (isNum(a) && isNum(b)) {
        return distance1D(a, b);
    }
    else if (isPoint(a) && isPoint(b)) {
        var xDelta = distance1D(a.x, b.x);
        var yDelta = distance1D(a.y, b.y);
        var zDelta = isPoint3D(a) && isPoint3D(b) ? distance1D(a.z, b.z) : 0;
        return Math.sqrt(Math.pow(xDelta, 2) + Math.pow(yDelta, 2) + Math.pow(zDelta, 2));
    }
}
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