[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Direction.java,1.10,1.11

[Michael L. <he...@us...>]

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv12516/src/net/sourceforge/bprocessor/model

Added Files:
	Direction.java 
Log Message:
Still trying to fix header-comment - the problem is that the file was added as ASCII with keyword compression (-kk) instead of ASCII with keyword expansion (-kkv)

--- NEW FILE: Direction.java ---
//---------------------------------------------------------------------------------
// $Id$
//
// Copyright (c) 2005      The BProcessor Team (http://bprocessor.sourceforge.net) 
// Released under the Lesser GNU Public License v2.1
//---------------------------------------------------------------------------------

package net.sourceforge.bprocessor.model;

/**
 * Class representing a vertex and its direction for movement
 */
public class Direction {
  /** The Vertex */
  private Vertex vertex;
  /** The direction */
  private Vertex direction;
  
  /**
   * Constructor
   * @param which the point
   * @param dir the direction of the point
   */
  public Direction(Vertex which, Vertex dir) {
    vertex = which;
    direction = dir;
  }

  /**
   * change the direction to v projected on the sum of v and direction
   * @param v The vertex to alter with
   */
  public void alterDirection(Vertex v) {
    Vertex sum = v.add(direction);
    double value = sum.dot(direction) / (direction.length() * direction.length());
    direction.scale(value);
  }
  
  /**
   * @return Returns the direction.
   */
  public Vertex getDirection() {
    return direction;
  }

  /**
   * @param direction The direction to set.
   */
  public void setDirection(Vertex direction) {
    this.direction = direction;
  }

  /**
   * @return Returns the vertex.
   */
  public Vertex getVertex() {
    return vertex;
  }

  /**
   * @param vertex The vertex to set.
   */
  public void setVertex(Vertex vertex) {
    this.vertex = vertex;
  }
}