setFromArray(array) {
        for(let i = 0; i < this.elements.length; i++) {
            this.elements[i] = array[i];
        }

        return this;
    }
Sets the matrix values from an array

     params:
     @array (array): an array of at least 16 elements

     returns:
     @this (Mat4 class object): this matrix after being set
*