/**
 * Author: Josiah Yoder et al.
 * Class: SE1011-011
 * Date: 10/21/13 1:20 AM
 * Lesson: Week 7, Day 1
 */
package game;

public class Complex011_8_3 {
    private double real;
    private double imaginary;
    public static final double MY_CONSTANT = 5.0;

    public Complex011_8_3() {
        real = 0;
        imaginary = 0;
    }

    public Complex011_8_3(double real, double imaginary) {
        this.real = real;
        this.imaginary = imaginary;
    }

    public Complex011_8_3(double real) {
        // next time
    }


    public Complex011_8_3 add(Complex011_8_3 other) {
        Complex011_8_3 result = new Complex011_8_3();

        result.real = this.real + other.real;
        result.imaginary = this.imaginary + other.imaginary;
        return result;
    }

    /*
     * Arithmetic inverse (aka -c)
     */
    public Complex011_8_3 inverse() {
        Complex011_8_3 result = new Complex011_8_3();

        result.real = -this.real;
        result.imaginary = -this.imaginary;
        return result;
    }

    /*
     * Subtract the other from this
     * this - other
     */
    public Complex011_8_3 subtract(Complex011_8_3 other) {
        // game.Complex011_8_3 result = new game.Complex011_8_3(); // unused object

        return this.add(other.inverse());
//        return add(other.inverse()); // alternative.  Not as clear in this case.
    }

    /*
     * Add an imaginary number to the complex number
     * imagineN -- "b" in the expression b*i that represents the imaginary number
     */
    public void addImaginary(double imagineN) {
        // need a & b
        // What do we have?
        // this.real;
        // this.imaginary;
        imaginary = imagineN + imaginary;
    }

    // Return to Chapter 7
    public void swap(Complex011_8_3 other) {
//        other.real;
//        this.real;

        double temp;

        temp = other.real;
        other.real = this.real;
        this.real = temp;

        temp = other.imaginary;
        other.imaginary = this.imaginary;
        this.imaginary = temp;

        // Assign a to b
        //   b = a;
        // Assign a to be b
        //   a = b;

    }

    public String toString() {
        return "("+real+", "+imaginary+")";
    }
}