How to use

setColor

method

in

javax.media.j3d.DirectionalLight

public void setIntensite(final double _intensite) {
 intensite_ = _intensite;
 float red, green, blue;
 red = (float) (couleur_.getRed() * intensite_ / 255);
 green = (float) (couleur_.getGreen() * intensite_ / 255);
 blue = (float) (couleur_.getBlue() * intensite_ / 255);
 try {
  l_.setColor(new Color3f(red, green, blue));
 } catch (final Exception ex) {}
}

public void setCouleur(final Color _couleur) {
 couleur_ = _couleur;
 l_.setColor(new Color3f(couleur_));
}

/**
 * Adds a directional light of color col which shines in the direction vector (x, y, z)
 */
public static Light directionalLight (double x, double y, double z, Color col) {
  DirectionalLight light = new DirectionalLight();
  light.setColor(new Color3f(col));
  light.setInfluencingBounds(INFINITE_BOUNDS);
  light.setCapability(DirectionalLight.ALLOW_STATE_WRITE);
  light.setCapability(DirectionalLight.ALLOW_COLOR_WRITE);
  light.setEnable(true);
  BranchGroup bg = createBranchGroup();
  TransformGroup tg = createTransformGroup();
  tg.addChild(light);
  bg.addChild(tg);
  lightGroup.addChild(bg);
  Light l = new Light(bg, tg, light);
  l.setDirection(new Vector3D(x, y, z));
  return l;
}

/**
 * Adds a directional light of color col which shines in the direction vector (x, y, z)
 */
public static Light directionalLight (double x, double y, double z, Color col) {
  DirectionalLight light = new DirectionalLight();
  light.setColor(new Color3f(col));
  light.setInfluencingBounds(INFINITE_BOUNDS);
  light.setCapability(DirectionalLight.ALLOW_STATE_WRITE);
  light.setCapability(DirectionalLight.ALLOW_COLOR_WRITE);
  light.setEnable(true);
  BranchGroup bg = createBranchGroup();
  TransformGroup tg = createTransformGroup();
  tg.addChild(light);
  bg.addChild(tg);
  lightGroup.addChild(bg);
  Light l = new Light(bg, tg, light);
  l.setDirection(new Vector3D(x, y, z));
  return l;
}