Reference for Processing version 1.2. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.
| Name | lights() | 
|---|---|
| Examples |  size(100, 100, P3D); background(0); noStroke(); // Sets the default ambient // and directional light lights(); translate(20, 50, 0); sphere(30); translate(60, 0, 0); sphere(30);  void setup() {
  size(100, 100, P3D);
  background(0);
  noStroke();
}
void draw() {
  // Add lights at the beginning
  // of draw() to keep them persistent 
  lights();
  translate(20, 50, 0);
  sphere(30);
  translate(60, 0, 0);
  sphere(30);
} | 
| Description | Sets the default ambient light, directional light, falloff, and specular values. The defaults are are ambientLight(128, 128, 128) and directionalLight(128, 128, 128, 0, 0, -1), lightFalloff()(1, 0, 0), and lightSpecular(0, 0, 0). Lights need to be included in the draw() to remain persistent in a looping program. Placing them in the setup() of a looping program will cause them to only have an effect the first time through the loop. | 
| Syntax | lights() | 
| Returns | None | 
| Usage | Web & Application | 
| Related | ambientLight() directionalLight() pointLight() spotLight() noLights() | 

