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layout: stdlib-reference
---

# RayDesc.Origin

## Description

Starting point of the ray in world space.


## Signature
<pre>
<a href="../vector/index.html" class="code_type">vector</a>&lt;<span class="code_keyword">float</span>, 3&gt; <a href="index.html" class="code_type">RayDesc</a>.<a href="origin-0.html" class="code_var">Origin</a>;
</pre>