How to use

getW

method

in

com.ardor3d.math.Vector4

@Override
public void updateBoundsFromElement() {
  final Rectangle2D rect = _shape.getBounds2D();
  _awtBounds.set(rect.getMinX() - _margin.getX(), rect.getMinY() - _margin.getY(),
      rect.getWidth() + _margin.getX() + _margin.getZ(), rect.getHeight() + _margin.getY() + _margin.getW());
}

@Override
public void updateBoundsFromElement() {
  final Rectangle2D rect = _shape.getBounds2D();
  _awtBounds.set(rect.getMinX() - _margin.getX(), rect.getMinY() - _margin.getY(),
      rect.getWidth() + _margin.getX() + _margin.getZ(), rect.getHeight() + _margin.getY() + _margin.getW());
}

/**
 * @param x
 * @param y
 * @param z
 * @param w
 * @return the dot product of this vector with the given x, y, z, w values.
 */
@Override
public double dot(final double x, final double y, final double z, final double w) {
  return getX() * x + getY() * y + getZ() * z + getW() * w;
}

/**
 * @return the string representation of this vector.
 */
@Override
public String toString() {
  return "com.ardor3d.math.Vector4 [X=" + getX() + ", Y=" + getY() + ", Z=" + getZ() + ", W=" + getW() + "]";
}

/**
 * @param x
 * @param y
 * @param z
 * @param w
 * @return the dot product of this vector with the given x, y, z, w values.
 */
@Override
public double dot(final double x, final double y, final double z, final double w) {
  return getX() * x + getY() * y + getZ() * z + getW() * w;
}

/**
 * @return the string representation of this vector.
 */
@Override
public String toString() {
  return "com.ardor3d.math.Vector4 [X=" + getX() + ", Y=" + getY() + ", Z=" + getZ() + ", W=" + getW() + "]";
}

/**
 * @return the squared magnitude or squared distance between the origin (0, 0, 0, 0) and the point described by this
 *         vector (x, y, z, w)
 */
@Override
public double lengthSquared() {
  return getX() * getX() + getY() * getY() + getZ() * getZ() + getW() * getW();
}

/**
 * Increments the values of this vector with the given x, y, z and w values.
 * 
 * @param x
 * @param y
 * @param z
 * @param w
 * @return this vector for chaining
 */
public Vector4 addLocal(final double x, final double y, final double z, final double w) {
  return set(getX() + x, getY() + y, getZ() + z, getW() + w);
}

/**
 * Internally modifies the values of this vector by multiplying them each by the given scalar value.
 * 
 * @param scalar
 * @return this vector for chaining
 */
public Vector4 multiplyLocal(final double scalar) {
  return set(getX() * scalar, getY() * scalar, getZ() * scalar, getW() * scalar);
}

/**
 * Internally modifies the values of this vector by multiplying them each by the given scalar value.
 * 
 * @param scalar
 * @return this vector for chaining
 */
public Vector4 multiplyLocal(final double scalar) {
  return set(getX() * scalar, getY() * scalar, getZ() * scalar, getW() * scalar);
}

/**
 * Decrements the values of this vector by the given x, y, z and w values.
 * 
 * @param x
 * @param y
 * @param z
 * @param w
 * @return this vector for chaining
 */
public Vector4 subtractLocal(final double x, final double y, final double z, final double w) {
  return set(getX() - x, getY() - y, getZ() - z, getW() - w);
}

/**
 * Internally modifies the values of this vector by multiplying them each by the given scale values.
 * 
 * @param x
 * @param y
 * @param z
 * @param w
 * @return this vector for chaining
 */
public Vector4 multiplyLocal(final double x, final double y, final double z, final double w) {
  return set(getX() * x, getY() * y, getZ() * z, getW() * w);
}

/**
 * Internally modifies the values of this vector by dividing them each by the given scale values.
 * 
 * @param x
 * @param y
 * @param z
 * @param w
 * @return this vector for chaining
 */
public Vector4 divideLocal(final double x, final double y, final double z, final double w) {
  return set(getX() / x, getY() / y, getZ() / z, getW() / w);
}

/**
 * Internally modifies the values of this vector by dividing them each by the given scale values.
 * 
 * @param x
 * @param y
 * @param z
 * @param w
 * @return this vector for chaining
 */
public Vector4 divideLocal(final double x, final double y, final double z, final double w) {
  return set(getX() / x, getY() / y, getZ() / z, getW() / w);
}

private void getWorldIntersection(final double planeHeight, final ReadOnlyVector2 screenPosition,
    final ReadOnlyMatrix4 modelViewProjectionInverseMatrix, final Vector3 store) {
  calculateIntersection(planeHeight, screenPosition, modelViewProjectionInverseMatrix);
  store.set(origin.getX(), origin.getY(), origin.getZ()).divideLocal(origin.getW());
}

private void getWorldIntersection(final double planeHeight, final ReadOnlyVector2 screenPosition,
    final ReadOnlyMatrix4 modelViewProjectionInverseMatrix, final Vector3 store) {
  calculateIntersection(planeHeight, screenPosition, modelViewProjectionInverseMatrix);
  store.set(origin.getX(), origin.getY(), origin.getZ()).divideLocal(origin.getW());
}

@Override
public void write(final OutputCapsule capsule) throws IOException {
  capsule.write(getX(), "x", 0);
  capsule.write(getY(), "y", 0);
  capsule.write(getZ(), "z", 0);
  capsule.write(getW(), "w", 0);
}

/**
 * Internally modifies the values of this vector by dividing them each by the given scale values.
 * 
 * @param scale
 * @return this vector for chaining
 */
public Vector4 divideLocal(final ReadOnlyVector4 scale) {
  return set(getX() / scale.getX(), getY() / scale.getY(), getZ() / scale.getZ(), getW() / scale.getW());
}

/**
 * Internally modifies the values of this vector by dividing them each by the given scale values.
 * 
 * @param scale
 * @return this vector for chaining
 */
public Vector4 divideLocal(final ReadOnlyVector4 scale) {
  return set(getX() / scale.getX(), getY() / scale.getY(), getZ() / scale.getZ(), getW() / scale.getW());
}

/**
 * Internally modifies the values of this vector by multiplying them each by the given scale values.
 * 
 * @param scale
 * @return this vector for chaining
 */
public Vector4 multiplyLocal(final ReadOnlyVector4 scale) {
  return set(getX() * scale.getX(), getY() * scale.getY(), getZ() * scale.getZ(), getW() * scale.getW());
}