How to use

getWf

method

in

com.ardor3d.math.Vector4

private void setTextureData() {
  // x = left, y = top, z = right, w = bottom
  final FloatBuffer coords = _meshData.getTextureBuffer(0);
  coords.rewind();
  coords.put(0).put(0);
  coords.put(_textureBorderOffsets.getXf()).put(0);
  coords.put(1f - _textureBorderOffsets.getZf()).put(0);
  coords.put(1).put(0);
  coords.put(0).put(_textureBorderOffsets.getWf());
  coords.put(_textureBorderOffsets.getXf()).put(_textureBorderOffsets.getWf());
  coords.put(1f - _textureBorderOffsets.getZf()).put(_textureBorderOffsets.getWf());
  coords.put(1).put(_textureBorderOffsets.getWf());
  coords.put(0).put(1f - _textureBorderOffsets.getYf());
  coords.put(_textureBorderOffsets.getXf()).put(1f - _textureBorderOffsets.getYf());
  coords.put(1f - _textureBorderOffsets.getZf()).put(1f - _textureBorderOffsets.getYf());
  coords.put(1).put(1f - _textureBorderOffsets.getYf());
  coords.put(0).put(1);
  coords.put(_textureBorderOffsets.getXf()).put(1);
  coords.put(1f - _textureBorderOffsets.getZf()).put(1);
  coords.put(1).put(1);
  _meshData.markBufferDirty(MeshData.KEY_TextureCoords0);
}

ys += _contentPadding.getYf();
xs += _contentPadding.getZf();
y -= _contentPadding.getWf();
  rightB = img.getWidth() * _textureBorderOffsets.getZf() * _borderScale;
  topB = img.getHeight() * _textureBorderOffsets.getYf() * _borderScale;
  bottomB = img.getHeight() * _textureBorderOffsets.getWf() * _borderScale;

private static void setPosition(final int index, final LightStateRecord record, final float positionX,
    final float positionY, final float positionZ, final float positionW, final LightRecord lr) {
  // From OpenGL Docs:
  // The light position is transformed by the contents of the current top
  // of the ModelView matrix stack when you specify the light position
  // with a call to glLightfv(GL_LIGHT_POSITION,...). If you later change
  // the ModelView matrix, such as when the view changes for the next
  // frame, the light position isn't automatically retransformed by the
  // new contents of the ModelView matrix. If you want to update the
  // light's position, you must again specify the light position with a
  // call to glLightfv(GL_LIGHT_POSITION,...).
  // XXX: This is a hack until we get a better lighting model up
  final ReadOnlyMatrix4 modelViewMatrix = Camera.getCurrentCamera().getModelViewMatrix();
  if (!record.isValid() || lr.position.getXf() != positionX || lr.position.getYf() != positionY
      || lr.position.getZf() != positionZ || lr.position.getWf() != positionW
      || !lr.modelViewMatrix.equals(modelViewMatrix)) {
    record.lightBuffer.clear();
    record.lightBuffer.put(positionX);
    record.lightBuffer.put(positionY);
    record.lightBuffer.put(positionZ);
    record.lightBuffer.put(positionW);
    record.lightBuffer.flip();
    GL11.glLight(GL11.GL_LIGHT0 + index, GL11.GL_POSITION, record.lightBuffer);
    lr.position.set(positionX, positionY, positionZ, positionW);
    if (!Camera.getCurrentCamera().isFrameDirty()) {
      lr.modelViewMatrix.set(modelViewMatrix);
    }
  }
}

private static void setPosition(final int index, final LightStateRecord record, final float positionX,
    final float positionY, final float positionZ, final float positionW, final LightRecord lr) {
  final GL gl = GLContext.getCurrentGL();
  // From OpenGL Docs:
  // The light position is transformed by the contents of the current top
  // of the ModelView matrix stack when you specify the light position
  // with a call to glLightfv(GL_LIGHT_POSITION,...). If you later change
  // the ModelView matrix, such as when the view changes for the next
  // frame, the light position isn't automatically retransformed by the
  // new contents of the ModelView matrix. If you want to update the
  // light's position, you must again specify the light position with a
  // call to glLightfv(GL_LIGHT_POSITION,...).
  // XXX: This is a hack until we get a better lighting model up
  final ReadOnlyMatrix4 modelViewMatrix = Camera.getCurrentCamera().getModelViewMatrix();
  if (!record.isValid() || lr.position.getXf() != positionX || lr.position.getYf() != positionY
      || lr.position.getZf() != positionZ || lr.position.getWf() != positionW
      || !lr.modelViewMatrix.equals(modelViewMatrix)) {
    record.lightBuffer.clear();
    record.lightBuffer.put(positionX);
    record.lightBuffer.put(positionY);
    record.lightBuffer.put(positionZ);
    record.lightBuffer.put(positionW);
    record.lightBuffer.flip();
    gl.getGL2().glLightfv(GLLightingFunc.GL_LIGHT0 + index, GLLightingFunc.GL_POSITION, record.lightBuffer);
    lr.position.set(positionX, positionY, positionZ, positionW);
    if (!Camera.getCurrentCamera().isFrameDirty()) {
      lr.modelViewMatrix.set(modelViewMatrix);
    }
  }
}

if (value instanceof Vector4) {
  final Vector4 vec = (Vector4) value;
  return stack.mallocFloat(4).put(vec.getXf()).put(vec.getYf()).put(vec.getZf()).put(vec.getWf())
      .flip();

assertTrue(vec1.getYf() == (float) Math.PI);
assertTrue(vec1.getZf() == (float) Math.PI);
assertTrue(vec1.getWf() == (float) Math.PI);