Turn "Use Lightmaps" off via script?

I've got a scene where I am using a flashlight to see for a while, but then the lights are flipped on. I've got Beast-generated lightmaps baked (which look great); but of course, I only want to see those when the lights have been turned on.

Is there a way (via script) to turn all the lightmaps on/off in game?

Thanks

 

follow this link http://unity3d.com/support/documentation/ScriptReference/Renderer-lightmapIndex.html?from=LightmapSettings

 

Thanks for your response. I had actually read through that but (as is the case for a lot of Unity's scripting documentation), it was just a bit opaque - very difficult to figure out how to use exactly.

Here's the solutions I currently am working with:

Code (csharp):

1.  
2. var level : GameObject;
3. var originalLightMapIndex : int;
4.  
5. function Start(){
6.     originalLightMapIndex = level.renderer.lightmapIndex;
7.     Debug.Log (level.renderer.lightmapIndex);
8.     yield WaitForSeconds (3);
9.    
10.     level.renderer.lightmapIndex =-1;
11.     Debug.Log (level.renderer.lightmapIndex);
12.    
13.     yield WaitForSeconds (3);
14.     level.renderer.lightmapIndex = originalLightMapIndex;
15.     Debug.Log (level.renderer.lightmapIndex);
16. }
17.        
18.    

The debug logs were just to help me try and understand what's going on there.

Anyway, this works fine for that one object (level). But if I have 100 objects, this is really tough. Is there a way to globally switch the Use Lightmaps on and off?

 

OK, so I'm able to turn all the lightmaps off using this:

Code (csharp):

1.  
2. function TurnLightMapsOff (){
3.     var children = level.GetComponentsInChildren (Renderer);
4.     for (var child: Renderer in children){
5.         originalLightMapIndex = child.renderer.lightmapIndex;
6.         Debug.Log (child.renderer.lightmapIndex);
7.         child.renderer.lightmapIndex = -1;
8.     }
9. }

But I'm still unable to turn them all back on. It seems that since there is a global "Use Lightmaps" in the Editor, it should be accessible in the Scripting; am I missing something?

 

I was looking at how to toggle lightmaps on/off recently, and found a solution which works.
The following code will disable the lightmaps, and then reapply them.

Code (csharp):

1.  
2. // Save reference to existing scene lightmap data.
3. LightmapData[] lightmap_data = LightmapSettings.lightmaps;
4.  
5. // Disable lightmaps in scene by removing the lightmap data references
6. LightmapSettings.lightmaps = new LightmapData[]{};
7.  
8. // Reenable lightmap data in scene.
9. LightmapSettings.lightmaps = lightmap_data;
10.  

 

sry, little offtopic. Just because i'm curious

Is it possible to have two (or more) lightmaps and toggle them via scripting?

 

Looks like it... http://wiki.unity3d.com/index.php/LightMapSwitcher