Radial gesture: pointerdown sets center, pointermove updates radius (Math.hypot of delta) and rotation (Math.atan2 of delta), pointerup commits. Shared by polygon and star tools. Modifier key state is read at end time from ctx.modifiers.
ctx.modifiers
Radial gesture: pointerdown sets center, pointermove updates radius (Math.hypot of delta) and rotation (Math.atan2 of delta), pointerup commits. Shared by polygon and star tools. Modifier key state is read at end time from
ctx.modifiers.