{"id":8901,"date":"2024-05-29T10:33:40","date_gmt":"2024-05-29T09:33:40","guid":{"rendered":"https:\/\/www.katsbits.com\/codex\/?p=8901"},"modified":"2024-05-29T17:50:03","modified_gmt":"2024-05-29T16:50:03","slug":"eevee-light-emitting-materials","status":"publish","type":"post","link":"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/","title":{"rendered":"Eevee &#038; Light Emitting Materials"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fcbae6545fc\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69fcbae6545fc\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#basic-emission-material\" >Basic Emission Material<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#base-color\" >Base Color<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#image-texture\" >Image Texture<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#emission-node\" >Emission Node<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#emission-node-only\" >Emission Node Only<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#emission-image-texture-nodes\" >Emission + Image Texture Nodes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#bloom-screen-space-reflections\" >Bloom &#038; Screen Space Reflections<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#emission-transparency\" >Emission + Transparency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.katsbits.com\/codex\/eevee-light-emitting-materials\/#light-probe\" >Light Probe<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>Self-illuminating<\/strong> or <strong>light emitting materials<\/strong> are relatively straightforward to set up in Blender. However, depending on the end result there are a number of ways this can be done, using the default <strong>Principled BSDF<\/strong> node, an <strong>Emission<\/strong> node, or using a <strong>Light Probe<\/strong>, especially if the light emitted is to affect neighbouring objects in the surrounding environment, something Eevee materials don&#8217;t do by default. The following then, is a look at the basics of creating light emitting materials for Eevee.<\/p>\n<blockquote style=\"background-color: #fc0; color: #000;\"><p><strong>Important<\/strong>: as a compromise for real-time rendering, Eevee does not render sources of indirect lighting, that is light emitting materials. While such materials appear to be illuminated, such materials do not otherwise affect surrounding objects or surfaces.<\/p><\/blockquote>\n<blockquote style=\"background-color: #ddecf3; color: #000;\"><p><b>Download<\/b>: <a href=\"https:\/\/www.katsbits.com\/files\/tutorials\/katsbits - light emitting materials.zip\">KatsBits &#8211; Light Emitting Materials<\/a> (c. 1.2 MB | *.blend, *.png).<\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"basic-emission-material\"><\/span>Basic Emission Material<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The most basic type of material that gives the impression of self-illumination in Eevee&#8217;s <strong>Rendered<\/strong> viewport display mode, is through the use of the <strong>Emission<\/strong> properties associated with <strong>Principled BSDF<\/strong>. Once the basic material has been set up in Shading Workspace, with or within a Image Texture node linked sourcing an image, by itself the emission&#8217;s <strong>Color<\/strong> and <strong>Strength<\/strong> can be set to provide colour and intensity information for the material.<\/p>\n<blockquote style=\"background-color: #fc0; color: #000;\"><p><strong>Important<\/strong>: as of <a href=\"https:\/\/www.katsbits.com\/codex\/eevee-transparency\/\">Blender 4.(x)&#8217;s menu reorganisation\/recategorisation<\/a>, <strong>Emission<\/strong> is referred to as <strong>Color<\/strong>, and <strong>Emission Strength<\/strong> simply as <strong>Strength<\/strong> [i], as both reside inside the <em>Emission<\/em> category [ii] of the <em>Principled BSDF<\/em> node rather than as stand-alone options.<\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-categorisation.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 98.5%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-categorisation.jpg\" alt=\"Emission category\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>With Blender 4.(x) some menus have option items have been reorganised, for example Emission is it&#8217;s own category [ii] within which sits (Emission) <strong>Color<\/strong> and (Emission) <strong>Strength<\/strong> [i].<\/i>\n<\/p><\/blockquote>\n<blockquote><p><strong>Design note<\/strong>: when the Emission property of Principled BSDF is used, objects may still appear to <a href=\"https:\/\/www.katsbits.com\/codex\/shadeless-materials\/\">self-shade<\/a>, that is, be affected by other light sources within a scene.<\/p><\/blockquote>\n<h4><span class=\"ez-toc-section\" id=\"base-color\"><\/span>Base Color<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>To use Emission with the <strong>Base Color<\/strong> property; click the <strong>Base Color<\/strong> [1] picker to set a colour then similarly in Emission, click the <strong>Color<\/strong> selector [2] to set the colour or tone of the light. Below this set a <strong>Strength<\/strong> value &#8211; click-type or click-drag the input field, the higher the values the brighter or more intense the light appears to be. Once set, the resulting material will appear to glow or emit a uniformly coloured or tinted light.<\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-base-color.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-base-color.jpg\" alt=\"Base Color emission\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>The most basic light emitting material is to just use Base Color [1] in combination with Color and Strength &#8211; not that emission can over-power base colour.<\/i><\/p>\n<h4><span class=\"ez-toc-section\" id=\"image-texture\"><\/span>Image Texture<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>To use Emission with an <strong>Image Texture<\/strong> node; drop in an <strong>Image Texture<\/strong> node &#8211; <strong><em>Add \u00bb Texture \u00bb Image Texture<\/em><\/strong>. Link <strong>Color<\/strong> output to <strong>Base Color<\/strong> input [3] on <em>Principled BSDF<\/em> and load in an image representing the materials effect, lava for example. Next, using this same image node, link the same <strong>Color<\/strong> output to the <strong>Color<\/strong> input [4] under <em>Emission<\/em> of <em>Principled BSDF<\/em>. This determines the colour emitted by the effect. Finally, change the <strong>Strength<\/strong> value, similarly under Emission, to define the effects intensity. Once set up, the emission effect will appear to glow or illuminate based on the colour represented by the image associated with the material.<\/p>\n<blockquote><p><strong>Design note<\/strong>: the image associated with the material does not need to be linked to Emission unless doing so is to specifically determine the (variable or precise) colours emitted, for example the reds, oranges and yellows of a lava texture, else it can remain disconnected and a uniform colour [iii] used instead per Base Color above.<\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture-colour.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 98.5%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture-colour.jpg\" alt=\"Image Texture emission colour\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>The image associated with the Image Texture node does not need to be linked with other Emission properties [iii] as those can be defined independently setting <strong>Color<\/strong> and <strong>Strength<\/strong>.<\/i><\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture.jpg\" alt=\"Image Texture emission\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Using an Image Texture node, the materials appearance and emission properties can be defined by the same image; simply link Color output to <strong>Base Color<\/strong> [3] and <em>Emission<\/em> <strong>Color<\/strong> [4] inputs.<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"emission-node\"><\/span>Emission Node<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>An alternative approach to creating a self-illuminating or emitting materials is to use the <strong>Emission node<\/strong>. Here, the node can be used a number of ways for different affect depending on what&#8217;s required of the material.<\/p>\n<blockquote><p><strong>Design note<\/strong>: unlike materials set up to use the Emission property of Principled BSDF, with inclusion of the Emission node materials effectively <a href=\"https:\/\/www.katsbits.com\/codex\/shadeless-materials\/\">self-illuminate<\/a>, that is meshes do not self-shade, objects essentially render uniformly lit regardless of scene lighting or illumination.<\/p><\/blockquote>\n<h4><span class=\"ez-toc-section\" id=\"emission-node-only\"><\/span>Emission Node Only<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>The most basic use of an Emission node it to drop one in place and link it directly to Material Output, completely bypassing Principled BSDF. To do this, from the <strong>Add<\/strong> menu drop in an <strong>Emission<\/strong> node &#8211; <strong><em>Add \u00bb Shader \u00bb Emission<\/em><\/strong>. Set the <strong>Color<\/strong> and change the <strong>Strength<\/strong> [5] as required, then link <strong>Emission<\/strong> output from the <em>Emission<\/em> node to <strong>Surface<\/strong> input [6] of the <em>Material Output<\/em> node.<\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-node.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-node.jpg\" alt=\"Emission node only\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Setting up an emissive material can be done using just the <strong>Emission node<\/strong>. Once dropped into place, <strong>Color<\/strong> and <strong>Strength<\/strong> set [5], it can be linked directly to Material Output [6] without needing to pass through Principled BSDF.<\/i><\/p>\n<h4><span class=\"ez-toc-section\" id=\"emission-image-texture-nodes\"><\/span>Emission + Image Texture Nodes<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>If the colour emitted by an Emission node needs to be particular, it can be defined by an image. This is done using an <strong>Image Texture<\/strong> node, with image loaded, that&#8217;s connected directly to the Emission node, again bypassing Principled BSDF. To do this, from the <strong>Add<\/strong> menu select <strong>Texture<\/strong>, then <strong>Image Texture<\/strong> &#8211; <strong><em>Add \u00bb Texture \u00bb Image Texture<\/em><\/strong>. This drops in and Image Texture node [7]. Click <strong>Open<\/strong> or <strong>+ New<\/strong> to load in, or create, an image that will be used to define emission colour, then click-drag to link <em>Color<\/em> output (Image Texture) to <em>Color<\/em> input (Emission) [8]. Change <strong>Strength<\/strong> as necessary to define the intensity of the effect.<\/p>\n<blockquote><p><strong>Design note<\/strong>: Strength can be defined by editing the value (input field) or linking an image to the input node; this can be the same image that determines Color &#8211; <strong>Color<\/strong> output linked to <strong>Strength<\/strong> input, or a separate Image Texture node [iv] holding its own image. Once linked [v] the effects intensity is then defined by the image &#8211; preference should be for greyscale images with <strong>Non-Color<\/strong> set as the <strong>Color Space<\/strong>.<\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture-strength.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 98.5%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture-strength.jpg\" alt=\"Image Texture strength\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Using an Image Texture [iv] to define the Emission nodes Strength [v] value &#8211; this can be set to use a <strong>Non-Color<\/strong> or other <strong>Color Space<\/strong> property depending on the image.<\/i>\n<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture-emission.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-image-texture-emission.jpg\" alt=\"Image Texture emission\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Adding an Image Texture node [7] to an Emission node [8] allows control of the emission colours, and optionally intensity, to be controlled by images.<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"bloom-screen-space-reflections\"><\/span>Bloom &#038; Screen Space Reflections<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Emissive materials don&#8217;t affect neighbouring objects in Eevee, that is they don&#8217;t illuminate or otherwise act as a source of light. However, Blender has two <strong>Render<\/strong> settings that can be enabled to give a better impression of emissive sources, that they&#8217;re doing something within the scene besides self-illuminating. These are <strong>Bloom<\/strong> and <strong>Screen Space Reflections<\/strong>. Once activated emissive materials appear to glow and\/or be reflected by surrounding objects and surfaces.<\/p>\n<blockquote><p><strong>Design note<\/strong>: as with other indirect lighting and light effects in Eevee, <strong>Bloom<\/strong> and <strong>Screen Space Reflections<\/strong> do not &#8217;emit&#8217; light so are not actually illuminating neighbouring objects, they simply create the <em>impression<\/em> of illumination.<\/p><\/blockquote>\n<p>To enable, in <strong>Render Properties<\/strong> [9], click the checkbox to the left of the <strong>Bloom<\/strong> [10] and <strong>Screen Space Reflections<\/strong> [11] subheadings. Depending on the scene set up this will immediately take affect, emissive surfaces will appear to glow and be reflected in surrounding surfaces.<\/p>\n<blockquote><p><strong>Design note<\/strong>: aside from adjusting the Color or other settings for Bloom and Screen Space Reflections, for both effects to be noticeable the emissive materials <strong>Strength<\/strong> specifically, and other material properties indirectly, i.e. Specular, Roughness etc., may need to be altered, taking care to avoid making the effect appear &#8216;full bright&#8217;. Similarly, scene lighting may need to be changed to accommodate the effect.<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-bloom.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-bloom.jpg\" alt=\"Bloom &#038; Screen Space Reflections\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>In <strong>Render Properties<\/strong> [9] it&#8217;s possible to &#8216;fake&#8217; illumination by enabling <strong>Bloom<\/strong> [10] and <strong>Screen Space Reflections<\/strong> [11], creating the impression that emissive materials are illuminating or effecting the scene or other objects around them.<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"emission-transparency\"><\/span>Emission + Transparency<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If an emissive material is to include transparency, <strong>Principled BSDF<\/strong> may need to be used. Here, transparency can be provided by a separate <strong>Image Texture<\/strong> node carrying an &#8216;<a href=\"https:\/\/www.katsbits.com\/codex\/opacity\/\">opacity map<\/a>&#8216;, or a texture that includes an <a href=\"https:\/\/www.katsbits.com\/codex\/eevee-transparency\/\">Alpha Channel<\/a>, that is then linked to <strong>Alpha<\/strong> input.<\/p>\n<blockquote><p><strong>Design note<\/strong>: there are a <a href=\"https:\/\/www.katsbits.com\/codex\/eevee-transparency\/\">number of ways to define transparency<\/a> that may also affect the way Emission might work as an effect.<\/p><\/blockquote>\n<p>To do this, with a <strong>Principled BSDF<\/strong> node available, drop in one or more <strong>Image Texture<\/strong> nodes to accommodate the images to be used. Once set up link each <strong>Color<\/strong> output to their respective effect property input on Principled BSDF, for example, <em>Image Texture #1<\/em> linking to <em>Base Color<\/em> and <em>Emission<\/em>; <em>Image Texture #2<\/em> linking to <em>Alpha<\/em> [12]. Then in <strong>Material Properties<\/strong> make sure <strong>Blend Mode<\/strong> [13] is set appropriately, i.e. <strong>Alpha Clip<\/strong> (along with <strong>Clip Threshold<\/strong>), and that optionally, <strong>Backface Culling<\/strong> is enabled where necessary. This should result in a partially visible material with &#8216;glowing&#8217; elements based on the transparency provided.<\/p>\n<blockquote><p><strong>Design note<\/strong>: when using a separate image to define transparency, set <strong>Color Space<\/strong> to <strong>Non-Color<\/strong> to avoid tonal or colour aberration issues.<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-transparency.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-transparency.jpg\" alt=\"Transparent Emission\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Using Principled BSDF with a set of Image Texture nodes appropriately linked [12], and <strong>Blend Mode<\/strong> set [13], emissive materials can include transparency that&#8217;s defined by the materials transparency.<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"light-probe\"><\/span>Light Probe<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In Eevee the only way for emissive materials to appear as though they&#8217;re affecting the environment is to use a <strong>Light Probe<\/strong>. In essence Light Probes bake localised light maps of a area that&#8217;s encapsulated within the probes flexible bounding box. When Rendered display mode is active this map then displays on surrounding objects and surfaces giving the impression of scene illumination by indirect light sources.<\/p>\n<blockquote><p><strong>Design note<\/strong>: Light Probes are not dynamic objects like Lights (Point, Sun, Area, Spot). In other words, each time a scene is changed probes may need to be re-rendered to ensure the illumination represented is up to date.<\/p><\/blockquote>\n<p>To use a Light Probe, set up an emissive material as described above, using either <strong>Principled BSDF<\/strong> Emission or the <strong>Emission<\/strong> node. Once done, from the <strong>Add<\/strong> menu, select <strong>Light Probe<\/strong> then <strong>Volume<\/strong> &#8211; <strong><em>Add \u00bb Light Probe \u00bb Volume<\/em><\/strong> [14]. This drops a lattice into the scene that should then be resized, rotated or positioned relative to the objects to be baked. For basic functionality this is all that&#8217;s required. To then bake the map, in <strong>Render Properties<\/strong> [15] expand the <strong>Indirect Lighting<\/strong> subsection to reveal the available options and click the <strong>Bake Indirect Lighting<\/strong> button [16]. The selected Light Probe will then be baked and shown relative to the scene and other sources of light.<\/p>\n<blockquote><p><strong>Design note<\/strong>: for Blender 3.6 or lower the <strong>Volume<\/strong> menu option is referred to as <strong>Irradiance Volume<\/strong>, i.e. <strong><em>Add \u00bb Light Probe \u00bb Irradiance Volume<\/em><\/strong>.<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-light-probe.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-light-probe.jpg\" alt=\"Light Probe emission\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>To simulate emissive lighting in Eevee light probes need to be used. Once added to a scene [14], in Render Properties [15] these can then be baked [16] as localised light maps that appear to illuminate surrounding objects.<\/i><\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-light-probe-point.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/materials\/emission-light-probe-point.jpg\" alt=\"Light Probe with Point Light\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>A light Probe is used in conjunction with a Point Light &#8211; while the Point can be moved and adjusted on-the-fly, the illumination provided by the probe needs to be re-baked if something is adjusted that affects lighting in the captured area.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":8934,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,230],"tags":[488,456,1091,949,386,1090,777,103,221,1008,519,220],"class_list":["post-8901","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blender","category-tutorials","tag-base-color","tag-blend-mode","tag-bloom","tag-emission","tag-image-texture","tag-light-probe","tag-material-nodes","tag-materials","tag-opacity-map","tag-self-illumination","tag-shading-workspace","tag-transparency"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/8901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/comments?post=8901"}],"version-history":[{"count":45,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/8901\/revisions"}],"predecessor-version":[{"id":8949,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/8901\/revisions\/8949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media\/8934"}],"wp:attachment":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media?parent=8901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/categories?post=8901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/tags?post=8901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}