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Difference between revisions of "Dynamic Lighting"

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{{mbox | text = This feature is only available to paid subscribers-- both Mentor and Supporter levels. If this is something you’re interested in, please visit the [https://app.roll20.net/account/supporter/ Supporter Page].}}
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Roll20 currently have two '''Dynamic Lighting''' systems, which are not interchangeable.
  
  
[[File:Dynamic_Lighting.jpg|frame|Dungeon Art by [https://marketplace.roll20.net/browse/set/50/diy-dungeon-blank-pack Greg Taylor], Token Art by [https://marketplace.roll20.net/browse/set/2/devin-token-pack-1-characters Devin Night]]]
 
  
Dynamic Lighting is an advanced map lighting tool currently available to Mentor & Subscriber users. It calculates line of sight on the fly as tokens are moved across the tabletop.
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==(Updated) Dynamic Lighting==
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'''[[Updated Dynamic Lighting]]'''('''UDL''') is the newer DL system Roll20 have been working on to develop as a replacement for LDL, and it was first made available in May 2020, and as of March 2021, still have some unresolved issues.
  
== The Dynamic Lighting Layer ==
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* '''[[Updated_Dynamic_Lighting#Explorer_Mode|Explorer Mode]]''' is UDL's equivalent to [[AFoW]]
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* '''{{Darkness}}''' is a tool that can be used to manually reveal or hide visible areas while using UDL. [[Fog of War]] is the free version of this tool, which is compatible with [[LDL]]
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* '''[[Convert Lighting|Convert Lighting Tool]]''' - for one-way converting Lighting settings & tokens in a game from [[LDL]] to [[UDL]]. Recommended to be used on a copy of your campaign, as you can't change things back with a single click.
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<br>
  
[[File:DL_Layer.jpg|thumb|left]]
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==Legacy Dynamic Lighting==
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{{warning|  '''[[LDL]]''' and '''[[AFoW]]''' will be retired on '''May 18th 2021'''. More info: '''{{blogs|retiring-legacy-dynamic-lighting-what-you-need-to-know/ LDL retiring - What you need to know}}''' }}
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'''[[Legacy Dynamic Lighting]]'''('''LDL''') is the original system, previous referred to as just "Dynamic Lighting", and is what people talk about in any guides or videos made before April 2020.
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* [[Advanced Fog of War]](AFoW) - A part of LDL
  
In addition to the Map &amp; Background Layer, the Object &amp; Token Layer and the GM Overlay Layer is the Dynamic Lighting Layer. This fourth layer’s purpose is for laying down lines and shapes that will serve as walls and/or obstacles that will block out light or line of sight.
 
  
<div style="clear: both; height: 10px;"></div>
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==General Info==
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On both [[Tokens]] and the [[Page Toolbar]], the setting for LDL and UDL are on separate pages, as not to confuse people.
  
== How to Activate Dynamic Lighting ==
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Roll20 have announced that [[LDL]] will be retired on '''May 18th 2021'''.
[[File:DLinset.png|thumbnail|Dynamic Lighting & Fog of War checkboxes under Page Settings.]]
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Open up your [[Page Settings]] and check the checkbox to activate Dynamic Lighting for that page. ''You can use Fog of War In combination with Dynamic Lighting, but one is not dependant on the other to function.''
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If you or your players suffer from sluggish dynamic lighting render results you might want to consider checking the option '''Only Update on Drop'''. What this option does when checked is that the tabletop only redraws the dynamic lighting ''after'' a token has been picked up and placed elsewhere on the map. This can lessen the render burden for users running on slower connection speeds or when a GM is working with a very large or complex map.
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[[Fog of War]] is not impacted by removal of [[LDL]].{{source|https://app.roll20.net/forum/permalink/9773692/ 1}} {{source|https://app.roll20.net/forum/permalink/9818207/ 2}} {{source|https://twitter.com/roll20app/status/1363632431161606145 3}}
  
== How to Add Light Obstructions ==
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===API===
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{{pro only}}
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Some [[API]], such as [[TokenMod]], support both LDL and UDL. There are still some UDL settings that API cant currently access.
  
[[File:DL_Walls.jpg]]
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Check '''[[API:Script_Index#Dynamic_Lighting]]''' for list of some API that focuses on DL.
  
While on the Dynamic Lighting Layer, you can use all of the drawing tools available to create lines and shapes to draw walls, columns, doors, etc. You can also utilize color to help differentiate different types of light obstructions (ex. lime green for stationary dungeon walls and bright red for doors).
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A number of API automatically detect which DL is used, and acts accordingly.
 
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<br>
Use the drawing tools to draw outlines of all the walls and other pieces of the map that you want to block light. We suggest using the Polygon Tool for best results.
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[[Category:Dynamic Lighting]]
 
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<div style="clear: both; height: 10px;"></div>
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== Adding Light ==
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Now that you have your obstacles drawn out on the Dynamic Lighting Layer, you now have to add light to your Page. Light is emitted via tokens. You can manage this in '''Token Settings'''. Under the settings for Auras is the option '''Emits Light'''. This option allows you to enter a light radius amount and gives you a checkbox for '''All Players See Light'''. When the checkbox is left unchecked, the only player(s) who can see that token’s light emission are those who have assigned permission to that token.
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[[Category:Docs]]
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Latest revision as of 18:23, 4 April 2021

Roll20 currently have two Dynamic Lighting systems, which are not interchangeable.


Contents

[edit] (Updated) Dynamic Lighting

Updated Dynamic Lighting(UDL) is the newer DL system Roll20 have been working on to develop as a replacement for LDL, and it was first made available in May 2020, and as of March 2021, still have some unresolved issues.

  • Explorer Mode is UDL's equivalent to AFoW
  • Udl-hide-icon.jpg Darkness Tool is a tool that can be used to manually reveal or hide visible areas while using UDL. Fog of War is the free version of this tool, which is compatible with LDL
  • Convert Lighting Tool - for one-way converting Lighting settings & tokens in a game from LDL to UDL. Recommended to be used on a copy of your campaign, as you can't change things back with a single click.


[edit] Legacy Dynamic Lighting

Legacy Dynamic Lighting(LDL) is the original system, previous referred to as just "Dynamic Lighting", and is what people talk about in any guides or videos made before April 2020.


[edit] General Info

On both Tokens and the Page Toolbar, the setting for LDL and UDL are on separate pages, as not to confuse people.

Roll20 have announced that LDL will be retired on May 18th 2021.

Fog of War is not impacted by removal of LDL.

[edit] API

Some API, such as TokenMod, support both LDL and UDL. There are still some UDL settings that API cant currently access.

Check API:Script_Index#Dynamic_Lighting for list of some API that focuses on DL.

A number of API automatically detect which DL is used, and acts accordingly.