GC - Beech.java

package gc;

/**
 * A beech is a kind of tree. It extends the Tree class.
 * @author hypesystem
 */
public class Beech extends Tree {
    private static final double growth = 1.06;
    private static final double start_height = 0.5;
    private static final int max_growth_age = 65;

    /**
     * Sets the normal tree specifications (age 1 and height)
     */
    public Beech() {
        age = 1;
        height = start_height;
    }

    /**
     * Sets tree specifications with tree having certain age. Used in NewForest.
     * @param age
     */
    public Beech (int age) {
        this.age = age;
        if(age < max_growth_age) height = start_height * growth * age;
        else height = start_height * growth * max_growth_age;
    }

    /**
     * Overrides the Tree-class growOneYear() method. Makes the tree grow a
     * certain percentage.
     */
    @Override
    public void growOneYear() {
        super.growOneYear();
        if(age < max_growth_age) height *= growth;
    }

    /**
     * Overrides the Tree-class growOneYear() method. Makes the tree grow a
     * certain percentage using shadow to caculate hwo much it should grow.
     * Used by NewForest this calculates the amount the tree should grow from
     * the amount of shadow it has.
     * @param shadow the amount of shadow the tree has from 0 - 1.
     */
    @Override
    public void growOneYear(double shadow) {
        super.growOneYear();
        if(age < max_growth_age) height =
                height * growth - ((height * growth - height) * shadow);
    }

    /**
     * Shows the tree's information, adding the name of the tree in front of
     * the standard output of a tree-class item.
     */
    @Override
    public void show() {
        System.out.print("[Bøg] ");
        super.show();
    }

}