diff --git a/core/src/processing/core/PGraphics.java b/core/src/processing/core/PGraphics.java
index aa31c9895..ffed694d5 100644
--- a/core/src/processing/core/PGraphics.java
+++ b/core/src/processing/core/PGraphics.java
@@ -3784,6 +3784,10 @@ public abstract class PGraphics extends PImage implements PConstants {
   public void lights() {
     depthError("lights");
   }
+  
+  public void noLights() {
+    depthError("noLights");
+  }
 
   public void ambientLight(float red, float green, float blue) {
     depthError("ambientLight");
diff --git a/core/src/processing/core/PGraphics3D.java b/core/src/processing/core/PGraphics3D.java
index 834abef8e..b62d14095 100644
--- a/core/src/processing/core/PGraphics3D.java
+++ b/core/src/processing/core/PGraphics3D.java
@@ -3657,6 +3657,17 @@ public class PGraphics3D extends PGraphics {
 
     lightingDependsOnVertexPosition = false;
   }
+  
+  
+  /** 
+   * Turn off all lights.
+   */
+  public void noLights() {
+    // write any queued geometry, because lighting will be goofed after
+    flush();
+    // set the light count back to zero
+    lightCount = 0;
+  }
 
 
   /**
diff --git a/core/todo.txt b/core/todo.txt
index bc879896e..2be121b32 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -1,4 +1,6 @@
 0134 core
+X add noLights() method
+X   http://dev.processing.org/bugs/show_bug.cgi?id=666
 
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .