Method fromArray

docs/app/js/sanddance-app.js:69256–69259

(array, offset = 0)

        return new this.constructor().copy(this);
    }
    fromArray(array, offset = 0) {
        for(let i = 0; i < this.ELEMENTS; ++i)this[i] = array[i + offset];
        return this.check();
    }
    toArray(targetArray = [], offset = 0) {
        for(let i = 0; i < this.ELEMENTS; ++i)targetArray[offset + i] = this[i];
        return targetArray;