How to use

findLight

method

in

com.jme3.water.WaterFilter

private DirectionalLight findLight(Node node) {
  for (Light light : node.getWorldLightList()) {
    if (light instanceof DirectionalLight) {
      return (DirectionalLight) light;
    }
  }
  for (Spatial child : node.getChildren()) {
    if (child instanceof Node) {
      return findLight((Node) child);
    }
  }
  return null;
}

DirectionalLight directionalLight = findLight((Node) reflectionScene);
if (directionalLight != null && useDirectionLightFromScene()) {
  lightDirection = directionalLight.getDirection();

private DirectionalLight findLight(Node node) {
  for (Light light : node.getWorldLightList()) {
    if (light instanceof DirectionalLight) {
      return (DirectionalLight) light;
    }
  }
  for (Spatial child : node.getChildren()) {
    if (child instanceof Node) {
      return findLight((Node) child);
    }
  }
  return null;
}

private DirectionalLight findLight(Node node) {
  for (Light light : node.getWorldLightList()) {
    if (light instanceof DirectionalLight) {
      return (DirectionalLight) light;
    }
  }
  for (Spatial child : node.getChildren()) {
    if (child instanceof Node) {
      return findLight((Node) child);
    }
  }
  return null;
}

private DirectionalLight findLight(Node node) {
  for (Light light : node.getWorldLightList()) {
    if (light instanceof DirectionalLight) {
      return (DirectionalLight) light;
    }
  }
  for (Spatial child : node.getChildren()) {
    if (child instanceof Node) {
      return findLight((Node) child);
    }
  }
  return null;
}

DirectionalLight l = findLight((Node) reflectionScene);
if (l != null) {
  lightDirection = l.getDirection();

DirectionalLight l = findLight((Node) reflectionScene);
if (l != null) {
  lightDirection = l.getDirection();

DirectionalLight directionalLight = findLight((Node) reflectionScene);
if (directionalLight != null && useDirectionLightFromScene()) {
  lightDirection = directionalLight.getDirection();