dist/server-module/lance-gg.js
/**
     * Add other vector to this vector
     *
     * @param {TwoVector} other the other vector
     * @return {TwoVector} returns self
     */
Add other vector to this vector
@param {TwoVector} other the other vector
@return {TwoVector} returns self
Add other vector to this vector @param { TwoVector } other the other vector @return { TwoVector } returns self
add(other) {
        this.x += other.x;
        this.y += other.y;
        return this;
    }
add ( other ) { this . x += other . x ; this . y += other . y ; return this ; }
Add other vector to this vector
 @param {TwoVector} other the other vector
 @return {TwoVector} returns self
Add other vector to this vector @param { TwoVector } other the other vector @return { TwoVector } returns self