Load the real frame rectangles in Phaser
This original 77 × 39 PNG has eight 16 × 16 cells, a 2 px outside margin and 3 px gaps. Both previews use Phaser 3.90.0's actual loader and native animations.
Starting the local Phaser example…
Actual frame geometry
Waiting for Phaser's loader…
The JSON sidecar records the original fixture's declared rectangles. Phaser does not read this generic sidecar automatically; the loader arguments in app.js explicitly declare frame size, margin and spacing.