org.jtrfp.trcl.gpu.Vertex.java Source code

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Here is the source code for org.jtrfp.trcl.gpu.Vertex.java

Source

/*******************************************************************************
 * This file is part of TERMINAL RECALL
 * Copyright (c) 2012-2014 Chuck Ritola
 * Part of the jTRFP.org project
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     chuck - initial API and implementation
 ******************************************************************************/
package org.jtrfp.trcl.gpu;

import java.util.ArrayList;

import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;
import org.jtrfp.trcl.Triangle;

public class Vertex {
    private ArrayList<Triangle> triangles = new ArrayList<Triangle>();
    private Vector3D position;
    private Vector3D normal;

    public Vector3D getNormal() {
        if (normal != null)
            return normal;
        Vector3D result = Vector3D.ZERO;
        for (Triangle triangle : triangles) {
            result = result.add(triangle.getCentroidNormal());
        } //end for(triangles)
        return result.scalarMultiply(1. / (double) triangles.size());
    }//end getNormal()

    /**
     * @return the position
     */
    public Vector3D getPosition() {
        return position;
    }

    /**
     * @param position the position to set
     */
    public Vertex setPosition(Vector3D position) {
        this.position = position;
        return this;
    }

    /**
     * @param normal the normal to set
     */
    public Vertex setNormal(Vector3D normal) {
        this.normal = normal;
        return this;
    }

    public Vertex addTriangle(Triangle triangleToAdd) {
        triangles.add(triangleToAdd);
        return this;
    }

    public Vertex removeTriangle(Triangle triangle) {
        triangles.remove(triangle);
        return this;
    }
}//end Vertex