๐๏ธ Dates and daily games
The current date Expression returns information about the current date and time. Combined with the set random seed response and daily leaderboards, it's the foundation for building daily challenges, seasonal content, and time-aware games.
๐๏ธ Expression
An Expression is a representation of a value that is resolved while the deck is playing. Some common uses for expressions include: Reading the value of variables, performing simple math, or creating randomness. Expressions can also be nested and combined to support more complex things, such as calculating health for characters, crafting procedural games and animations, and even making generative artwork.
๐๏ธ Face tracking expressions
The face feature and face feature size Expressions let you use the player's face (detected through the device camera via a Mirror actor) to control values in your deck.
๐๏ธ A random number with a Gaussian distribution
A random number with a Gaussian distribution is an Expression for adding randomness near a center value.
๐๏ธ Perlin noise in 2 dimensions
See the Wikipedia page on Perlin noise for more information.
๐๏ธ Smooth
The smooth expression returns a value which is smoothed over time.