RADIANT

Radiant is a Addon that helps manage your lights in your scene through the side panel. There are also a few other feature provided for lighting needs in Radiant

Radiant Feature

1. Light Panel - List the Light in Your Scene to the Side Panel, so you can access multiple light at once. With this You can Tag the Light to Categorize them. 
2. Raymesh - Fake Volumetric "Light Ray / Glow" that is made with Mesh and Shader which produce less noise (Works Better in Eevee)
3. Radiant Tools - Some More Minor tools that can be useful in some situation

Light Panel

 List the Light in Your Scene to the Side Panel and access multiple light at once. It gives you a Filterable Overview of the Light in Your Scene. 

Why Not Outliner?

Outliner can be cluttered sometimes, especially on more complex scene, this Panel helps you focus on the Light and filter out other object types. 

Light Panel Buttons

With each Light Listed, there are some operation you can do to each lights

You Can Turn the Buttons / Icons you want on or off under the Icon Expose Subpanel,

Below Example of All the Icons Turned On

Most of the Icon are Turned Off by default

Buttons / Icons	Default	Description
Pin Light	Off	Pin the light so that it always stays in list
Solo Light	Off	Hide All Light Except this (Shift Click to Unhide Lights)
Select Light	On	Select the Light (Shift Click to Select Multiple)
Find Light	On	Find and Frame your camera to the Light)
Move Light	Off	Activate Move Operator on this Light
Rotate Light	Off	Active Trackball / Rotate Operator on this Light
Aim Light	Off	Aim the Light to Object, Selected Objects, or Cursor
Name	Always On	Name of the Light
Tags	Off	Tags of the Light to be use for filtering
Light Type	Off	Set the Type of the Light
Light Color	Off	Set the Color of the Light
Disable / Lock Selection	Off	Make Light Unselectable
Hide Children	On	Hide The Lights Children, Useful for Hiding Raymesh (Only Show if Light Have Children)
Hide Viewport	On	Hide Light from Viewport
Hide Render	On	Disable Render for this Light
Duplicate Light	Off	Duplicate This Light and Active Move Operator
Remove Light	On	Remove this Light

Light Properties

For Each light in the Panel, You can Expand And Edit the Light's Properties, Such as Power, Shadow Soft Size, Factor, and more

Light Temparature

Control Light Color Using Kelvin Temperature

IMPORTANT: The Temperature only changes the color on the Light when you drag the slider, Which means it will not work if you Keyframe the Temperature This Does not Use the Blackbody Node but Instead Setting the Light Color Directly

Light Tags & List Filter

You Can Tag the Light so that You can Filter Them

Light Tags

Light Tag is something you can add to a light to be used in the List Filter, Useful for Categorizing Your Lights

Light List Filter

All	List All the Lights In the Scene
Selected	List Only Selected Lights
Active	Show Only Active Light
Collection	Show Light in Collection
Tags	Filter Light by Tags
Pinned	Only Show Pinned Lights
Type	Filter Light Base on the Type of the Lights

Raymesh

Raymesh is Fake "Light Ray / Glow" that is Geometry and Shader Based, It Attempt to Emulate the Volumetric Look

Raymesh Only

No Raymesh

Lit with Raymesh

It Produces Less Noise, Doesnt Flicker, and Works Best in Eevee, this can be useful for Stylized Lighting

Raymesh Variations

If the Raymesh use Light as Driver, it means the Custom Property in Raymesh Object is driven by Custom Property in the Light data

Point Raymesh

Spot Raymesh

Area Raymesh

Technical Information: Raymesh Geometry is made using Geometry Nodes, and using Material Shader to Achieve the Glowly Looks The Geometry and Shader is Driven by Custom Properties in the Raymesh Object's Custom Properties. If the Raymesh use Light as Driver, it means the Custom Property in Raymesh Object is driven by Custom Property in the Light data

Notes While it is Compatible with Cycles, because it heavily relies on transparency to work, it might not look as good in cycles, and you might need to increase your transparent light bounce for it to work, which could increase in render time

Radiant Tools

Some More Minor tools that can be useful in some situation

Create Mesh From Area Lights

Create Mesh Plane From Area Light, Useful if you want to have a Emission Plane for your Area Lights

Add Shadow Catcher

Add A Premade Shadow Catcher Plane from Shift-A Add Panel

If the Shadow Catcher Appears Black in Eevee, Try Increase the Strength of your Lights

Add Volume Cube

Add A Simple Premade Cube with Principled Volume Node Material Applied

This is an Extremely Simple Setup, this feature is just here to save a few clicks

Chaneglog

29/12/2021: Addon Released!

30/12/2021: Minor Update: Adding Some Extra Cycles option to Light Panel

27/05/2022: Geometry Node and Material now uses Attribute Instead of Drivers

14/08/2022: Added "Hide Linked Duplicates" and "Make Single" for linked lights

05/07/2024: Radiant 1.4.0

• Fixed Text Raymesh Error
• Minor UI Change (Filter Now Next to Search Box)
• Fix wrong label for "Active Light Properties -> Radiant Tools" in Preferences Panel Tab
• Tested in Blender 4.1
• Preparation for the Addon to migrate with Blender 4.2 (Not Gurenteed until Blender is officially released)

24/07/2024: Radiant 1.5.0

• No New Feature, this is mainly a compatibility update and patches

• Convert the addon into a Extension and Compatible with Blender 4.2

• Works in Blender 4.2

• Light Property is updated to the new Eevee Next and Cycles

Links:

If You want to suggest an improvement or report a problem, lets discuss it in Discord Channel

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