Timeline — animate values over time with a curve

Timeline is a special node — NOT a function call. Create by right-click → Add Timeline. Add float/vector/color tracks in the editor. Exec inputs: 'Play', 'PlayFromStart', 'Stop', 'Reverse', 'ReverseFromEnd', 'Set New Time'. Exec outputs: 'Update' (fires every frame while playing) and 'Finished'. Data output per track is named after the track. 'Direction' is ETimelineDirection enum.

Attenuation

Distance-based volume falloff. A Sound Attenuation asset defines the curve and falloff radius.

string

string

Sin — sine of angle in radians

Sin — sine of angle in radians

Collision

Geometry used for hit-tests and physics. Often simpler than the visual mesh for performance.

Less (float) — A < B

Sqrt — square root

Lerp

Linear interpolation — returns A when Alpha=0, B when Alpha=1, and a smooth blend in between. Pair with Timeline for animation.

LaunchCharacter — launch character with velocity

ACharacter::LaunchCharacter. Good for knockback, bouncing, jumppads.