io.piotrjastrzebski.sfg.game.objects.ExplosionLight.java Source code

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Here is the source code for io.piotrjastrzebski.sfg.game.objects.ExplosionLight.java

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/*
 * Super Flying Gentlemen
 * Copyright (C) 2014  Piotr Jastrzbski <me@piotrjastrzebski.io>
 *
 * 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 io.piotrjastrzebski.sfg.game.objects;

import box2dLight.PointLight;
import box2dLight.RayHandler;
import io.piotrjastrzebski.sfg.utils.Locator;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.Pool.Poolable;

public class ExplosionLight implements Poolable, Position {
    boolean isComplete;
    private PointLight pointLight;
    private float timer;
    private float expTime;

    public ExplosionLight() {
        isComplete = true;
        pointLight = new PointLight(Locator.getRayHandler(), 16, Color.WHITE, 1, -100, -100);
        pointLight.setColor(1, 0.8f, 0.3f, 1);
        pointLight.setActive(false);
    }

    @Override
    public void reset() {
        isComplete = true;
        pointLight.setPosition(-100, -100);
        pointLight.setActive(false);
    }

    public void init(float x, float y) {
        isComplete = false;
        timer = 0;
        expTime = 1;
        pointLight.setPosition(x, y);
        pointLight.setActive(true);
    }

    public void update(float delta) {
        if (isComplete)
            return;
        timer += delta * 2;
        if (timer <= expTime) {
            pointLight.setColor(1 - timer, 0.8f * (1 - timer), 0.3f * (1 - timer), 1 - timer);
            pointLight.setDistance(1 + timer * 15);
        } else {
            reset();
        }
    }

    public boolean isComplete() {
        return isComplete;
    }

    @Override
    public Vector2 getPos() {
        return pointLight.getPosition();
    }
}