Examples of eas.simulation.spatial.sim2D.physicalSimulation.physicsEngine.net.phys2d.math.Vector2f.sub()

eas.simulation.spatial.sim2D.physicalSimulation.physicsEngine.net.phys2d.math.Vector2f.sub()
Subtract a vector from this vector @param v The vector subtract

   * 
   * @return The change in position in the last update 
   */
  public ROVector2f getPositionDelta() {
    Vector2f vec = new Vector2f(getPosition());
    vec.sub(getLastPosition());
    
    return vec;
  }
  
  /**

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   * 
   * @return The change in velocity in the last update 
   */
  public ROVector2f getVelocityDelta() {
    Vector2f vec = new Vector2f(getVelocity());
    vec.sub(getLastVelocity());
    
    return vec;
  }
  
  /**

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    Matrix2f rot2 = new Matrix2f(body2.getRotation());
    Matrix2f rot1T = rot1.transpose();
    Matrix2f rot2T = rot2.transpose();


    Vector2f a1 = new Vector2f(body2.getPosition());
    a1.sub(body1.getPosition());
    localAnchor1 = MathUtil.mul(rot1T,a1);
    Vector2f a2 = new Vector2f(body1.getPosition());
    a2.sub(body2.getPosition());
    localAnchor2 = MathUtil.mul(rot2T,a2);

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    Vector2f a1 = new Vector2f(body2.getPosition());
    a1.sub(body1.getPosition());
    localAnchor1 = MathUtil.mul(rot1T,a1);
    Vector2f a2 = new Vector2f(body1.getPosition());
    a2.sub(body2.getPosition());
    localAnchor2 = MathUtil.mul(rot2T,a2);


    accumulatedImpulse.set(0.0f, 0.0f);
    relaxation = 1.0f;
  }

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    Vector2f p1 = new Vector2f(body1.getPosition());
    p1.add(r1);
    Vector2f p2 = new Vector2f(body2.getPosition());
    p2.add(r2);
    Vector2f dp = new Vector2f(p2);
    dp.sub(p1);
    
    bias = new Vector2f(dp);
    bias.scale(-0.1f);
    bias.scale(invDT);

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   */
  @Override
    public void applyImpulse() {
    Vector2f dv = new Vector2f(body2.getVelocity());
    dv.add(MathUtil.cross(body2.getAngularVelocity(),r2));
    dv.sub(body1.getVelocity());
    dv.sub(MathUtil.cross(body1.getAngularVelocity(),r1));
      dv.scale(-1);
      dv.add(bias);
      
      if (dv.lengthSquared() == 0) {

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  @Override
    public void applyImpulse() {
    Vector2f dv = new Vector2f(body2.getVelocity());
    dv.add(MathUtil.cross(body2.getAngularVelocity(),r2));
    dv.sub(body1.getVelocity());
    dv.sub(MathUtil.cross(body1.getAngularVelocity(),r1));
      dv.scale(-1);
      dv.add(bias);
      
      if (dv.lengthSquared() == 0) {
        return;

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    Vector2f r1 = MathUtil.mul(rot1, anchor1);
    Vector2f r2 = MathUtil.mul(rot2, anchor2);


    Vector2f relativeVelocity = new Vector2f(body2.getVelocity());
    relativeVelocity.add(MathUtil.cross(r2, body2.getAngularVelocity()));
    relativeVelocity.sub(body1.getVelocity());
    relativeVelocity.sub(MathUtil.cross(r1, body1.getAngularVelocity()));


    /*
     * Matrix2f tr1 = new Matrix2f(-body1.getRotation()); relativeVelocity =
     * MathUtil.mul(tr1, relativeVelocity);

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    Vector2f r2 = MathUtil.mul(rot2, anchor2);


    Vector2f relativeVelocity = new Vector2f(body2.getVelocity());
    relativeVelocity.add(MathUtil.cross(r2, body2.getAngularVelocity()));
    relativeVelocity.sub(body1.getVelocity());
    relativeVelocity.sub(MathUtil.cross(r1, body1.getAngularVelocity()));


    /*
     * Matrix2f tr1 = new Matrix2f(-body1.getRotation()); relativeVelocity =
     * MathUtil.mul(tr1, relativeVelocity);
     * relativeVelocity.add(MathUtil.mul(tr1, dp));

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    R = new Vector2f(r1);
    R.add(dp);
    // System.out.println(accumulateImpulse);
    Vector2f relativeVelocity = new Vector2f(body2.getVelocity());
    relativeVelocity.add(MathUtil.cross(r2, body2.getAngularVelocity()));
    relativeVelocity.sub(body1.getVelocity());
    relativeVelocity.sub(MathUtil.cross(r1, body1.getAngularVelocity()));


    /*
     * Matrix2f tr1 = new Matrix2f(-body1.getRotation()); relativeVelocity =
     * MathUtil.mul(tr1, relativeVelocity);

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