The app is the fruit of Epic’s of Capturing Reality, a company specializing in photogrammetry software. Like the company’s desktop software, RealityScan combines 2D images to make seamless 3D assets for games and other virtual environments. The idea is to enable game developers and other creatives to scan real-world objects at any time and any place for their projects. (If the metaverse ever takes off, you can imagine tools like this becoming essential.)
The scanning process begins with signing into your Epic Games account and taking at least 20 photos of an object from all sides. As you move your phone around, a real-time quality map shows how well you’ve covered it: green denotes well-covered areas, yellow could use more attention and red needs the most additional photos. It visualizes the places from which you’ve snapped each picture as something akin to little Polaroids floating around your item.
The app uploads and automatically aligns the images in the cloud as you take the photos. You can preview the model through the camera view and switch between the quality map and an in-progress, full-color render. When you want to crop it, it pops up 3D handles for you to drag around, ensuring it captures only the item, not the floor beneath it or background objects.
The process works best with simple items captured in even, indirect lighting (reflective or wet surfaces won’t capture well). It also appears to work best with larger objects, as my attempt to capture a small Mr. T action figure resulted in something that looks more like a pointillistic painting than a usable model.
Once you’re happy with the capture, you can export it to Sketchfab (a 3D asset platform Epic last year), where you can use it for 3D, virtual reality and augmented reality projects. Optionally, if you’ve captured something unique, you could try to sell your 3D model. Game developers needing a specific item for a virtual environment are the most logical audience here.
RealityScan is available today as a for iOS and iPadOS on the App Store. Earlier this year, Epic said an Android version would arrive later in the year, although the company is running short on time to meet that deadline.
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