Built-in functions

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All gameplay languages expose owner ID and timing, translation, declared public properties, built-in attributes, held-key input, logging, enabled state, scene lookup, instance creation, and camera selection. Use native member syntax for your language.

API	Result or effect
`rustic.entity_id()`	Stable owner ID string
`rustic.delta_time()`, `rustic.fixed_delta_time()`	Seconds
`rustic.get_translation()`	Three numbers; C uses `RusticVector3` with x/y/z
`rustic.set_translation(x,y,z)`	Queues owner movement
`rustic.get_property(name)`, `rustic.set_property(name,value)`	Reads or updates an already declared property
`rustic.get_attribute(name)`, `rustic.edit_attribute(name,value)`	Reads or edits an owner built-in attribute
`rustic.key(name)`, `rustic.input(name)`	Action state with pressed/released/held/axis
`rustic.key_events()`, `rustic.any_key_pressed()`	Input event snapshot
`rustic.log(level,message)`, `rustic.set_enabled(enabled)`	Logs or queues enabled state
`Game.scene.Find(path)`, `Game.scene.List()`	Finds an ID or lists matching IDs
`instance.add(source,parent)`, `instance.clone(source,parent)`	Queues creation; no immediate new ID
`Game.setCurrentCamera(source)`	Queues camera selection by path or ID

Mutations apply after the callback, in call order. Getters read the callback's snapshot, so a getter after a setter still reads the original state. Properties and attributes must retain their engine types; numbers must be finite. Attribute names are Name, Position, Size, Color, CanTouch, CanCollide, Anchored, and Parent. Color is three RGB numbers. Instance parents must be stable entity IDs; resolve a path with Game.scene.Find first. Scene List returns IDs, not path strings.

Edit another object

Use rustic.game.Demo.Room.Player:EditAttribute("Position", {1, 2, 3}) inside a callback. See Edit scene objects for named-scene setup, supported attributes, and troubleshooting. The bundled Luau SDK queues edits after the callback and does not provide path-based getters.