confetti-explosion-react/lib/utils.js

A React lightweight css-animation based confetti exploder

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.shouldBeCircle = exports.rotationTransforms = exports.coinFlip = exports.rotate = exports.mapRange = void 0;
var lodash_isequal_1 = __importDefault(require("lodash.isequal"));
var mapRange = function (value, x1, y1, x2, y2) {
    return ((value - x1) * (y2 - x2)) / (y1 - x1) + x2;
};
exports.mapRange = mapRange;
var rotate = function (degree, amount) {
    var result = degree + amount;
    return result > 360 ? result - 360 : result;
};
exports.rotate = rotate;
var coinFlip = function () { return Math.random() > 0.5; };
exports.coinFlip = coinFlip;
// avoid this for circles, as it will have no visual effect
var zAxisRotation = [0, 0, 1];
exports.rotationTransforms = [
    // dual axis rotations (a bit more realistic)
    [1, 1, 0],
    [1, 0, 1],
    [0, 1, 1],
    // single axis rotations (a bit dumber)
    [1, 0, 0],
    [0, 1, 0],
    zAxisRotation,
];
var shouldBeCircle = function (rotationIndex) {
    return !(0, lodash_isequal_1.default)(exports.rotationTransforms[rotationIndex], zAxisRotation) && (0, exports.coinFlip)();
};
exports.shouldBeCircle = shouldBeCircle;
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