es.eucm.ead.editor.components.EditorImageActor.java Source code

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Here is the source code for es.eucm.ead.editor.components.EditorImageActor.java

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/**
 * eAdventure is a research project of the
 *    e-UCM research group.
 *
 *    Copyright 2005-2014 e-UCM research group.
 *
 *    You can access a list of all the contributors to eAdventure at:
 *          http://e-adventure.e-ucm.es/contributors
 *
 *    e-UCM is a research group of the Department of Software Engineering
 *          and Artificial Intelligence at the Complutense University of Madrid
 *          (School of Computer Science).
 *
 *          CL Profesor Jose Garcia Santesmases 9,
 *          28040 Madrid (Madrid), Spain.
 *
 *          For more info please visit:  <http://e-adventure.e-ucm.es> or
 *          <http://www.e-ucm.es>
 *
 * ****************************************************************************
 *
 *  This file is part of eAdventure
 *
 *      eAdventure is free software: you can redistribute it and/or modify
 *      it under the terms of the GNU Lesser General Public License as published by
 *      the Free Software Foundation, either version 3 of the License, or
 *      (at your option) any later version.
 *
 *      eAdventure 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 Lesser General Public License for more details.
 *
 *      You should have received a copy of the GNU Lesser General Public License
 *      along with eAdventure.  If not, see <http://www.gnu.org/licenses/>.
 */
package es.eucm.ead.editor.components;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.Polygon;
import es.eucm.ead.engine.components.renderers.ImageActor;

/**
 * Created by angel on 12/05/14.
 */
public class EditorImageActor extends ImageActor {

    private ShapeRenderer shapeRenderer;

    public void setShapeRenderer(ShapeRenderer shapeRenderer) {
        this.shapeRenderer = shapeRenderer;
    }

    @Override
    public void drawChildren(Batch batch, float parentAlpha) {
        super.drawChildren(batch, parentAlpha);
        drawCollider(batch);
    }

    protected void drawCollider(Batch batch) {
        if (getCollider() != null) {
            batch.end();
            Gdx.gl.glEnable(GL20.GL_BLEND);
            Gdx.gl.glBlendFunc(GL20.GL_ONE, GL20.GL_DST_COLOR);
            Gdx.gl.glBlendEquation(GL20.GL_FUNC_SUBTRACT);
            shapeRenderer.setProjectionMatrix(batch.getProjectionMatrix());
            shapeRenderer.setTransformMatrix(batch.getTransformMatrix());
            shapeRenderer.begin(ShapeType.Line);
            shapeRenderer.setColor(Color.WHITE);
            for (Polygon polygon : getCollider()) {
                float[] vertices = polygon.getVertices();
                shapeRenderer.polygon(vertices);
            }
            shapeRenderer.end();
            Gdx.gl.glBlendEquation(GL20.GL_FUNC_ADD);
            Gdx.gl.glDisable(GL20.GL_BLEND);
            batch.begin();
        }
    }
}