Constructor
new Selection(control, pointerCenter)
#
| source:
control/Controller.js, line 17
Builds a new Selection with the given control and pointer located
at pointerCenter.
Parameters:
| Name | Type | Description |
|---|---|---|
control |
Rac.Control
|
The selected control |
pointerCenter |
Rac.Point
|
The location of the pointer when the selection started |
Members
fixedAnchor :object
#
| source:
control/Controller.js, line 46
Anchor produced by
control.affixAnchor when the
selection began.
This anchor is persisted during user interaction as to allow the user to interact with the selected control in a fixed location, even if the control moves during the interaction.
pointerToKnobOffset :Rac.Segment
#
| source:
control/Controller.js, line 61
Segment that represents the offset from the pointer position to the
control knob center.
Used to interact with the control knob at a constant offset position during user interaction.
The pointer starting location is equal to segment.startPoint(),
the control knob center starting position is equal to
segment.endPoint().