WheelGesture

A plain wheel step (not ctrl+wheel, which arrives as a pinch).

Properties

Property	Type	Description	Defined in
`dx`	`number`	Normalised wheel deltas, pixels.	engine/src/input/gestures.ts:78
`dy`	`number`	-	engine/src/input/gestures.ts:79
`ratio`	`number`	Zoom factor for this notch; < 1 zooms in (scroll up / away).	engine/src/input/gestures.ts:76
`x`	`number`	Cursor position, client pixels.	engine/src/input/gestures.ts:81
`y`	`number`	-	engine/src/input/gestures.ts:82

TouchControlsSpec

What makeTouchControls puts on screen.

Binding

How one action reads its sources. Plain JSON, so bindings can be saved and restored.