com.dgzt.core.Arrow.java Source code

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Here is the source code for com.dgzt.core.Arrow.java

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/*
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.dgzt.core;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.dgzt.core.button.Button;
import com.dgzt.core.shape.LineShape;

/**
 * The arrow.
 * 
 * @author Dgzt
 */
final public class Arrow extends LineShape {

    // --------------------------------------------------
    // ~ Private members
    // --------------------------------------------------

    /** The parent object. */
    private final Table parent;

    /** Is visible the arrow. */
    private boolean visible;

    /** The last selected player buttons. */
    private Button lastSelectedButton;

    // --------------------------------------------------
    // ~ Constructors
    // --------------------------------------------------

    /**
     * The constructor.
     * 
     * @param parent - The parent object.
     * @param shader - The shader.
     */
    public Arrow(final Table parent, final ShaderProgram shader) {
        super(shader, Color.RED);
        this.parent = parent;
        visible = false;
    }

    // --------------------------------------------------
    // ~ Public methods
    // --------------------------------------------------

    /**
     * Show the arrow.
     * 
     * @param selectedButton - The selected player button.
     */
    public void show(final Button selectedButton) {
        this.lastSelectedButton = selectedButton;
        super.resize(selectedButton.getX(), selectedButton.getY(), selectedButton.getX(), selectedButton.getY(),
                parent.getScale());
        visible = true;
    }

    /**
     * Set the new end point of arrow.
     * 
     * @param x - The x coordinate value.
     * @param y - The y coordinate value.
     */
    public void setEndPoint(final float x, final float y) {
        if (visible) {
            super.resize(getX1(), getY1(), x, y, parent.getScale());
        }
    }

    /**
     * Hide the arrow.
     */
    public void hide() {
        visible = false;
    }

    // --------------------------------------------------
    // ~ Override methods
    // --------------------------------------------------

    /**
     * Draw the arrow if it is visible.
     */
    @Override
    public void draw() {
        if (visible) {
            super.draw();
        }
    }

    // --------------------------------------------------
    // ~ Getter methods
    // --------------------------------------------------

    /**
     * Return with the visibility of arrow.
     */
    public boolean isVisible() {
        return visible;
    }

    /**
     * Return with the last selected player button.
     */
    public Button getLastSelectedButton() {
        return lastSelectedButton;
    }
}