Appendix C — Cheat Sheet

Every Event and Action Shatterfield uses, with what it does in one line, in Myth’s own words. (The 5 template Logic Components, Rotate-and-thrust Controls, Wrap Around World, Motion Facing, Random Teleport and Menu Pause Lifecycle, are not included: they come whole.)

C.1 Events

2D Direction Held: Runs every simulation step while the selected Left, Right, Up, or Down direction is held.
2D Direction Released: Runs once when the selected Left, Right, Up, or Down direction is released.
Collision: Runs when this instance overlaps or collides with the selected object.
Collision Enter: Runs once when this instance starts colliding or overlapping with the selected object.
Command Pressed: Runs once when the selected Button Command matches its Single, Double, or Triple Press pattern.
Create: Runs once when an instance is created.
Custom Event: Runs when another action or script triggers the selected named custom event.
Destroy: Runs when an instance is destroyed.
End Step: Runs at the end of each game step, after regular Step events.
Game Start: Runs once when the game starts.
Game State Changed: Runs after the singular project Game State changes.
Leave View: Runs once when this instance leaves all active camera views.
No Instances Left: Runs on every listener when the last live instance of the selected Object is destroyed.
On Disable: Runs once after this Logic changes from enabled to disabled.
On Enable: Runs once after this Logic changes from disabled to enabled.
Recurring Timer: Runs each time the named recurring timer comes due.
Step: Runs every game step while the instance exists.
Variable Changed: Runs once, at the end of a step, after the selected Global Variable changes value.

C.2 Actions

Burst Particles: Emits a one-shot Particle effect at the Object origin, a named Coordinate, a bounding-box anchor, or an explicit world position.
Camera Shake: Shakes the camera — impacts, explosions, spells.
Change Component Value: Changes one mutable Object Component value through its direct path.
Change Variable: Changes one declared variable: a Local Variable of this Logic (private to this Logic Component, or to this call of a Function), a Per Instance Variable of the targeted Object (self.name), a Changeable Shared Variable (@self.name, @Guard.name: one value for every instance of that Object), or a Global.
Check Cooldown Ready: The produced Boolean can be referenced directly by a later If, While, or value expression.
Check Game State: Runs nested actions while the singular project Game State matches the selected value.
Check Instance Count: The produced Boolean can be referenced directly by a later If, While, or value expression.
Check Menu Open: True while any menu (or the named one) is the open, focused menu.
Control Sound: Plays, loops, crossfades, or stops one selected Sound resource.
Create Instance: Creates one instance at world XYZ, Self-relative XYZ, or an exact named Coordinate, and names it (Created As).
Declare Variable: Brings a Local Variable into existence.
Destroy Instance: Destroys the selected target: Self, Event other, or all live instances of a named Object.
Else: Runs the Else action.
Face Toward: Immediately faces an Object or resolved position without moving.
Generate Random Integer: Makes a whole number between Minimum and Maximum, including both endpoints, using the seeded gameplay random stream.
Generate Random Number: Makes a decimal number between Minimum and Maximum using the seeded gameplay random stream.
If: Runs its Then branch when its Condition is true.
Load Persistent Value: Reads a device-persisted value, or the Default if none is stored yet, and publishes one typed Action result.
Popup Text: Floating text that rises and fades - damage numbers, “+10 gold”, “LEVEL UP!”.
Repeat: Runs its vertical child stack Count times.
Save Persistent Value: Writes one device-persistent value under one title-scoped key.
Set Alpha: Sets alpha for the target or game.
Set Animation Clip: Changes the animation clip used by this instance.
Set Background Sliding Speed: Changes the live sliding velocity.
Set Direction: Turns the current velocity without changing its speed.
Set Frame: Sets frame for the target or game.
Set Game State: Changes the singular project-wide Game State and runs Game State Changed when the value changes.
Set Logic State: Enables, disables, or toggles one attached Logic on each target instance, firing lifecycle events only for real state transitions.
Set Position: Moves the target immediately to a world position, an Object-local offset, a named Coordinate, or a Transform bounding-box anchor.
Set Rotation: Sets the exact planar rotation in degrees.
Set Speed: Changes the current velocity magnitude without changing its direction.
Set Spin: Sets how fast the object is turning, in degrees per second.
Set Sprite: Changes the sprite resource.
Set UI Group Visibility: Shows or hides every UI Object with the same non-empty Group value.
Set Velocity: Sets the exact horizontal velocity, vertical velocity, or both.
Set Visible: Sets visible for the target or game.
Start Cooldown: Starts a named cooldown on the target instance.
Start Recurring Timer: Starts or restarts one saveable named recurring timer.
Stop Recurring Timer: Stops one named recurring timer.
Switch Mode: Sets the Event to One at a time and turns on only the selected Mode.
Trigger Custom Event: Broadcasts one named Custom Event to matching Custom Event listeners.
Trigger Custom Event on Object: Sends one named Custom Event to the selected Object instance without broadcasting it to unrelated Objects.

C.3 Reading Values From Tables

data('table', row, 'column'): the value in one cell: the row by its name or number, the column by its name.
dataFind('table', 'column', value): the number of the first row whose column holds this value.
dataCount('table'): how many rows the table has.