A technically interesting challenge when building Pengu was generating transparent images for each user’s unique Pengu. With over 350 clothing items and countless possible combinations, plus varying device sizes, pre-generating images in the cloud quickly became infeasible. To solve this, we moved the computation to the device itself by... leveraging React Native Godot. Here’s how it works: ① The user changes the Pengu’s clothing, and React Native calls a GDScript function. ② Godot opens a subwindow with a specific scene that renders the Pengu. ③ Godot takes a “screenshot” and closes the subwindow. ④ React Native receives the File Path of the screenshot as a return value. You can get quite creative with how you leverage Godot’s subwindows. Screenshots are captured in just a few milliseconds, without the user ever noticing.show more

Jannis Ringwald

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