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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.
  
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==Dynamic Lighting==
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'''[[UDL|Dynamic Lighting]]''' ('''UDL''', formerly known as "'''Updated Dynamic Lighting'''") is the newer Dynamic Lighting system Roll20 have been working on to develop as a replacement for LD.  It was first made available in May 2020, and as of Q1 2022, has more features & generally seen as better than LDL.
  
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[[File:Dynamic_Lighting.jpg|right|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]]]
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* '''[[Updated_Dynamic_Lighting#Explorer_Mode|Explorer Mode]]''' is UDL's equivalent to [[Advanced Fog of War]]
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** [[Updated_Dynamic_Lighting#Dark_Vision|Dark Vision]]
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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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* [[Updated_Dynamic_Lighting#Colored_Lighting|Colored_Lighting]]
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* [[One-Way Barrier]]
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* [[Place Tool]]
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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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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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<br>
  
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==Legacy Dynamic Lighting==
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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. It's on its way to being removed.
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* [[Advanced Fog of War]](AFoW) - A part of LDL
  
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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.
  
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Roll20 have announced that [[LDL]] will be retired when [[UDL]] is good enough..
  
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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}}
  
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== The Dynamic Lighting Layer ==
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===API===
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{{pro only|section}}
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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.
  
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[[File:DL_Layer.jpg|thumb|left]]
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A number of API automatically detect if Updated or Legacy DL is used, and acts accordingly.
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{{:Dynamic Lighting/API}}
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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.
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<br>
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[[Category:Dynamic Lighting]]
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<div style="clear: both; height: 10px;"></div>
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== How to Activate Dynamic Lighting ==
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[[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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== How to Add Light Obstructions ==
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[[File:DL_Walls.jpg|thumb|left]]
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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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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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<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 14:59, 11 March 2023

Wiki-Logo 75x49.png
Page Updated:
  2023-03-11
Disambig gray.png
Disambiguation page for "Dynamic Lighting"
Plus.png
This page is about a Roll20 feature exclusive to Plus & Pro-subscribers, or to players in a Game created by a Plus/Pro-subscriber. If you'd like to use this feature, consider upgrading your account.

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

Contents

[edit] Dynamic Lighting

Dynamic Lighting (UDL, formerly known as "Updated Dynamic Lighting") is the newer Dynamic Lighting system Roll20 have been working on to develop as a replacement for LD. It was first made available in May 2020, and as of Q1 2022, has more features & generally seen as better than LDL.


[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. It's on its way to being removed.

[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 when UDL is good enough..

Fog of War is not impacted by removal of LDL.
1
2
3

[edit] API

Pro.png
This section is about a Roll20 feature exclusive to Pro-subscribers (and often to players in a Game created by a Pro-subscriber). If you'd like to use this feature, consider upgrading your account.

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

A number of API automatically detect if Updated or Legacy DL is used, and acts accordingly.


Dynamic Lighting is a Plus/Pro feature that changes what parts of the map are visible to the players as they move their tokens around. The light-blocking walls are achieved by paths on the walls layer, and tokens are used as point light sources. Scripts which modify either the light emitted by tokens or the walls which block the light belong in this category.

Not all APIs, or all their features work on both Updated DL and Legacy DL, you have to check them closer to know that.

  • DLTool(Forum) - A Dynamic Lighting Control Panel and Troubleshooter by keith
  • Door Knocker -- Script helps quickly open and close doors by controlling the dynamic lighting lines, as well as creating "windows"
  • DLEllipseDrawer -- Draw circles and ellipses on the dynamic lighting layer.
  • Dynamic Light Recorder -- Save dynamic lighting paths for map tiles and automatically regenerate later
  • LightCrumb (UDL version), by Aaron (not tested)
  • Move Lighting -- Move dynamic lighting polygon path objects between layers.
  • Walls -- Builds Dynamic Lighting walls with an exported .svg path file.
  • ShareVision -- Allows normal vision and darkvision to be shared.
  • ToggleDaylight(Forum) -- turn daylight mode on, off, or toggle it for LDL or UDL on the current page.
  • Script:UniversalVTTImporter For importing Dynamic Lighting lines & light sources to Roll20 from map creation programs that can export to Universal VTT-file format.

Following Mods no longer work as well as previous, since real Doors and Windows where introduce:

  • UDLWindows(Forum) -- API for creating "windows", i.e. DL lines that blocks movement, but doesn't block vision.
  • UDLPasswall(Forum) - Walls that block sight, but not movement


APIs that only works with Legacy

  • LightCrumbTrails(Forum) -- Produces lit, shared-vision breadcrumbs behind character tokens. This allows them to see where they've been on maps with dynamic lighting.
  • One-Way Dynamic Lighting(Forum) -- Allows you to set up dynamic lighting walls that allow you to see through one side, but not the other.
  • Torch -- A simple script for giving lights to tokens and turning off and on dynamic lighting.
    • UDL version in the works



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