/ 2026-04-18T15:08:01+00:00 / /lib/tpl/dazdoccenter/images/favicon.ico text/html 2015-11-19T16:47:07+00:00 /public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzlightdecaybrick/start <h1 id="light_decay">Light Decay</h1> <div class="level1"> <p> <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/brickyard/start" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:brickyard:start">Brickyard</a> : <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/brickyard/functions/start" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:brickyard:functions:start">Functions</a> &gt; <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/brickyard/functions/lighting/start" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:brickyard:functions:lighting:start">Lighting</a> &gt; <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/brickyard/functions/lighting/falloff/start" class="wikilink2" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:brickyard:functions:lighting:falloff:start" rel="nofollow">falloff</a> </p> <p> The Light Decay brick sets the exponent of decay for lighting root bricks that support Decay (<a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzgellightbrick/start" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:bricks:dzgellightbrick:start">Gel Light</a>, <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzpointlightbrick/start" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:bricks:dzpointlightbrick:start">Point Light</a>, and <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzspotlightbrick/start" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:bricks:dzspotlightbrick:start">Spot Light</a>). It is especially useful in configuring Gel Lights and Point Lights, which otherwise decay according to the <a href="https://en.wikipedia.org/wiki/Inverse-square law" class="interwiki iw_wp" target="_blank" title="https://en.wikipedia.org/wiki/Inverse-square law" rel="noopener">Inverse-square law</a>. </p> </div> <h2 id="snapshot">Snapshot</h2> <div class="level2"> <p> <a href="/_media/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzlightdecaybrick/lightinglightdecay.png" class="media" target="_blank" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:bricks:dzlightdecaybrick:lightinglightdecay.png" rel="noopener"><img src="/_media/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzlightdecaybrick/lightinglightdecay.png" class="media" alt="" /></a> </p> </div> <h2 id="parameters">Parameters</h2> <div class="level2"> </div> <h3 id="outputs">Outputs</h3> <div class="level3"> <ul> <li class="level1"><div class="li"> <strong>Decay :</strong> <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/shader_workspace/brick_anatomy/start#type" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:shader_workspace:brick_anatomy:start">Float</a> - Description…</div> </li> </ul> </div> <h3 id="inputs">Inputs</h3> <div class="level3"> <ul> <li class="level1"><div class="li"> <strong>Light :</strong> <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/shader_workspace/brick_anatomy/start#type" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:shader_workspace:brick_anatomy:start">Vector</a> - Description…</div> </li> <li class="level1"><div class="li"> <strong>Decay Power :</strong> <a href="/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/shader_workspace/brick_anatomy/start#type" class="wikilink1" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:shader_workspace:brick_anatomy:start">Float</a> - Description…</div> </li> </ul> </div> <h2 id="examples">Examples</h2> <div class="level2"> </div> <h3 id="in_a_light">In a Light</h3> <div class="level3"> <ul> <li class="level1"><div class="li"> <br/> <a href="/_media/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzlightdecaybrick/lightinggeltest.jpg" class="media" target="_blank" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:bricks:dzlightdecaybrick:lightinggeltest.jpg" rel="noopener"><img src="/_media/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzlightdecaybrick/lightinggeltest.jpg" class="media" alt="" /></a></div> </li> <li class="level1"><div class="li"> Gel Light network: ^{<a href="#fn__1" id="fnt__1" class="fn_top">1)</a>}<br/> <a href="/_media/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzlightdecaybrick/lightinggel_example.png" class="media" target="_blank" title="public:software:dazstudio:4:referenceguide:interface:panes:shader_mixer:bricks:dzlightdecaybrick:lightinggel_example.png" rel="noopener"><img src="/_media/public/software/dazstudio/4/referenceguide/interface/panes/shader_mixer/bricks/dzlightdecaybrick/lightinggel_example.png?w=600&amp;tok=525c75" class="media" alt="" width="600" /></a></div> </li> </ul> </div> <div class="footnotes"> <div class="fn">^{<a href="#fnt__1" id="fn__1" class="fn_bot">1)</a>} <div class="content">courtesy JustTheBast</div></div> </div>