What is the difference between copy and duplicate actor?

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1

I’m a beginner. I cannot find any info on this. So what is the difference between these two options? I’m asking because I cannot understand what is the best way to copy actors around the level and perserve memory and performance i.e. how to make a copy and how to make an instance of an actor so the level loads only the original and it’s materials, textures, blueprints etc. Thanks!

2

Duplicate is just copy+paste.

Instances are:

  • Instanced Static Mesh Component (more performant, but have the same LOD level for all)

  • Hierarchical Instanced Static Mesh Component (can have different LODs but may be buggy)

You also could try Rama's Instance Tool: