Working in Opal
This section covers the editor itself: how projects and scenes are organized, how GameState and objects work, how to prepare art, sound, and particles, and how to configure components in the inspector.
If it's your first time in the editor, start with Getting started or Build your first game.
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Project structure, start scenes, scene lists, and scene settings.
Project-wide fields with session, saved, or scene lifetime — plus object variables.
Stage objects, parenting, transforms, and selection.
Import images and sounds, use the asset library, stay organized.
Draw sprites, cut photos, bake PNG or a .ssb, and hand off to Art Canvas.
Slice sheets, assemble frames, and save .ssb sprite bundles.
Compose and bake WAV sound effects.
Compose particle plans in FX and bake reusable .pfx effects.
Attach built-in behaviors and configure fields in the inspector.