GameOfLifeState.java

package model.automata;

import javafx.scene.paint.Color;
import model.State;

import java.util.List;

/**
 * {@link GameOfLifeState} instances represent the possible states of a {@link GameOfLifeState}.
 */
public enum GameOfLifeState implements State<GameOfLifeState> {
    ALIVE, DEAD;


    @Override
    public Color getColor() {
        switch (this) {
            case ALIVE:
                return Color.RED;
            case DEAD:
                return Color.WHITE;
            default:
                return Color.WHITE;
        }
    }

    /* correction avec if :
    if this.equals(ALIVE) {
        return COLOR.RED;
    else {
        return COLOR.WHITE;
    */

    @Override
    public GameOfLifeState next() {
        switch (this) {
            case ALIVE:
                return DEAD;
            case DEAD:
                return ALIVE;
            default:
                return DEAD;
        }
    }
    /* correction avec if :
        if this.equals(ALIVE) {
            return DEAD;
        else {
            return ALIVE;
        */

    @Override
    public GameOfLifeState update(List<GameOfLifeState> neighbours) {
        int count = State.count(ALIVE, neighbours);
        switch (this) {
            case DEAD:
                if (count == 3) {
                    return ALIVE;
                }
                break;
            case ALIVE:
                if (count == 3) {
                    return ALIVE;
                } else if (count == 2) {
                    return ALIVE;
                }
                break;
        }
        return DEAD;
    }
}