diff --git a/lib/utils/vec3.lua b/lib/utils/vec3.lua
index 72b4b16..ca9a10e 100644
--- a/lib/utils/vec3.lua
+++ b/lib/utils/vec3.lua
@@ -66,6 +66,10 @@ function __Vec3:subtract(other)
     return self:add(other:invert())
 end
 
+function __Vec3:copy()
+    return Vec3 { self.x, self.y, self.z }
+end
+
 --- @param other Vec3
 function __Vec3:equalsTo(other)
     return