Optional ReadonlyfalloffDistance Falloff.
Optional ReadonlyradiusReach.
Particles farther than this from the target are not affected. Infinity reaches the whole canvas.
Optional ReadonlystrengthPull Strength. Acceleration toward the target; a negative value pushes particles away (a repulsor). Sampled per particle, so a range makes some pieces react more than others.
Optional ReadonlytargetTarget.
An element (its center, measured every frame), "pointer" (no pull until the pointer moves over the page)
or a normalized point { x, y } (0–1 of the canvas).
Attractor / Repulsor Settings. Pulls every particle toward a target — the pointer, an element or a point — or pushes it away with a negative
strength. The target is looked up once per frame, so it can move.Example