/**
* Perform velocity approximation based on 2D 'mickeys' (mouse motion delta).
* return true if non-visible state reset is suggested
*/
BOOL
ProcessVelocityData2D(DeviceVelocityPtr vel, double dx, double dy, int time)
{
double velocity;
vel->last_velocity = vel->velocity;
FeedTrackers(vel, dx, dy, time);
velocity = QueryTrackers(vel, time);
vel->velocity = velocity;
return velocity == 0;
}
/**
* Perform velocity approximation based on 2D 'mickeys' (mouse motion delta).
* return true if non-visible state reset is suggested
*/
short
ProcessVelocityData2D(
DeviceVelocityPtr vel,
int dx,
int dy,
int time)
{
float velocity;
vel->last_velocity = vel->velocity;
FeedTrackers(vel, dx, dy, time);
velocity = QueryTrackers(vel, time);
vel->velocity = velocity;
return velocity == 0;
}
