Method

ClutterGestureActionget_velocity

Declaration [src]

gfloat
clutter_gesture_action_get_velocity (
  ClutterGestureAction* action,
  guint point,
  gfloat* velocity_x,
  gfloat* velocity_y
)

Description [src]

Retrieves the velocity, in stage pixels per millisecond, of the latest motion event during the dragging.

Available since:1.12

Parameters

point guint
 

The touch point index, with 0 being the first touch point received by the action.

velocity_x gfloat*
 

Return location for the latest motion event’s X velocity.

 The argument will be set by the function.
 The argument can be NULL.
velocity_y gfloat*
 

Return location for the latest motion event’s Y velocity.

 The argument will be set by the function.
 The argument can be NULL.

Return value

Returns: gfloat
  No description available.