Create masks from 3D objects using tags and render passes in Meta Spark Studio
Have you ever needed to create a mask or segmentation texture for a 3D object? You can do this using render passes and tags in Spark AR! This technique is super helpful if you are positioning the user in a particular place in your effect and need to include an attached 3D object such as a hat.
In this tutorial I'll show you how to add tags to objects, isolate those objects using render passes, then create a mask that can be combined with the person segmentation texture to isolate the person and a 3D object.
00:00 Introduction
00:14 Starting scene
01:08 Create the rectangle for the masked person+object
01:59 Setting the texture with the patch editor
02:11 Create the scene render pass
04:21 Add the person segmentation texture
05:56 Isolate the object using tags
08:00 Use chroma keying to create a mask for the 3D object
09:54 Combine the object mask and person segmentation
11:05 Recap and overview of patches
Assets used in the tutorial:
Cowboy hat by wolfgar74 on Sketchfab
Chroma Keying patch by Keetapol Boonprachak
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