private Boolean isPinching()
{
//Get center left point and center right point
Vector leftPoint = leftPinchPoint();
Vector rightPoint = rightPinchPoint();
if (leftPoint != null && rightPoint != null)
{
//Calculate new distance
float newDistance = (float)distanceBetweenPoints(leftPoint, rightPoint);
//Check to see if we are properly pinching
if (this.possibleDirections.HasFlag(MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionIn))
{
if (newDistance < distance && Math.Abs(newDistance - distance) > MotionMinimumPinchThreshold)
{
direction = MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionIn;
distance = newDistance;
return(true);
}
}
if (this.possibleDirections.HasFlag(MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionOut))
{
if (newDistance > distance && Math.Abs(newDistance - distance) > MotionMinimumPinchThreshold)
{
direction = MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionOut;
distance = newDistance;
return(true);
}
}
}
return(false);
}
private Boolean isPinching()
{
//Get center left point and center right point
Vector leftPoint = leftPinchPoint();
Vector rightPoint = rightPinchPoint();
if (leftPoint != null && rightPoint != null) {
//Calculate new distance
float newDistance = (float)distanceBetweenPoints(leftPoint, rightPoint);
//Check to see if we are properly pinching
if (this.possibleDirections.HasFlag(MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionIn))
{
if (newDistance < distance && Math.Abs(newDistance-distance) > MotionMinimumPinchThreshold) {
direction = MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionIn;
distance = newDistance;
return true;
}
}
if (this.possibleDirections.HasFlag(MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionOut))
{
if (newDistance > distance && Math.Abs(newDistance-distance) > MotionMinimumPinchThreshold) {
direction = MotionPinchGestureRecognizerDirection.MotionPinchGestureRecognizerDirectionOut;
distance = newDistance;
return true;
}
}
}
return false;
}
