EscudoActor.java

/*
 * Alien Chase 2013 Chema Edition -- a remake of Alien Chase 2013 by danirod
 * Copyright (C) 2013 Dani Rodríguez <danirod@outlook.com> Twitter: @danirod93
 * & José María Valera Reales <chemaclass@outlook.es> Twitter: @Chemaclass
 * 
 * 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 tk.makigas.chase.actor;

import tk.makigas.chase.AlienChase;

import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.scenes.scene2d.Stage;

/**
 * Escudo terrestre.
 * 
 * @author danirod
 * @author chemaclass
 */
public class EscudoActor extends CuerpoActor {

	/** Número de escudos que tendremos inicialmente */
	public static final int NUM_ESCUDOS = 3;

	private static final int MOVIMIENTO_X = 2;

	public EscudoActor(Stage stage) {
		super(stage);
		health = 1;
		texture = new TextureRegion(AlienChase.MANAGER.get("images/muro.png",
				Texture.class), 0, 0, 32, 32);
		setSize(texture.getRegionWidth(), texture.getRegionHeight());		
		velocidad.x = MOVIMIENTO_X;
		velocidad.y = 0;
	}

	private float timer = 0;

	@Override
	public void act(float delta) {

		timer += delta;
		if (timer > 1 && health < 1) {
			health += 0.03f; // Añade un porcentaje de vida al escudo.
			timer = 0;
		}

		translate(velocidad.x, velocidad.y);

		if (getX() < 0) {
			velocidad.x = MOVIMIENTO_X;

		} else if (getRight() > getStage().getWidth()) {
			velocidad.x = -MOVIMIENTO_X;
		}		
	}

	@Override
	public void draw(SpriteBatch batch, float parentAlpha) {
		batch.draw(texture, getX(), getY(), getOriginX(), getOriginY(),
				getWidth(), getHeight(), getScaleX(), getScaleY(),
				getRotation());
	}
}