public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
if (selectedPoint == null)
{
return;
}
UISnapBehavior snap = new UISnapBehavior(selectedPoint, originalPosition);
snap.Damping = 0.2f;
UIPushBehavior push = new UIPushBehavior(new IUIDynamicItem[] { selectedPoint }, UIPushBehaviorMode.Instantaneous);
push.PushDirection = new CGVector(0.0f, -1.0f);
push.Magnitude = 0.001f;
UIDynamicAnimator animator = new UIDynamicAnimator();
animator.AddBehavior(snap);
animator.AddBehavior(push);
selectedPoint.Animator = animator;
}
protected void DynamicAnimatorDidPause(UIDynamicAnimator animator)
{
this.Animator.RemoveAllBehaviors();
_collision = null;
_topView = null;
_push = null;
_gravity = null;
_composite = null;
_animator = null;
this.SlidingViewController.TopViewController.View.UserInteractionEnabled = true;
UIViewController topController = this.SlidingViewController.GetViewControllerForKey(ECSlidingViewController.ECTransitionContextTopViewControllerKey);
if ((_panningRight && _positiveLeftToRight) || (!_panningRight && !_positiveLeftToRight))
{
topController.View.Frame = this.SlidingViewController.GetFinalFrameForViewController(topController);
this.SlidingViewController.FinishInteractiveTransition();
}
else if ((_panningRight && !_positiveLeftToRight) || (!_panningRight && _positiveLeftToRight))
{
topController.View.Frame = this.SlidingViewController.GetInitialFrameForViewController(topController);
this.SlidingViewController.CancelInteractiveTransition();
}
this.SlidingViewController.CompleteTransition(true);
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
TKChartVisualPoint[] points = chart.VisualPointsForSeries(chart.Series [0]);
originalValues = new List <CGPoint> ();
foreach (TKChartVisualPoint p in points)
{
originalValues.Add(p.CGPoint);
}
TKChartVisualPoint point = points[4];
UISnapBehavior snap = new UISnapBehavior(point, point.Center);
snap.Damping = 0.2f;
UIPushBehavior push = new UIPushBehavior(new IUIDynamicItem[] { point }, UIPushBehaviorMode.Instantaneous);
push.PushDirection = new CGVector(0.0f, -1.0f);
push.Magnitude = 0.003f;
UIDynamicAnimator animator = new UIDynamicAnimator();
animator.AddBehavior(snap);
animator.AddBehavior(push);
point.Animator = animator;
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
if (selectedPoint == null)
{
return;
}
UITouch touch = (UITouch)touches.AnyObject;
CGPoint touchPoint = touch.LocationInView(chart.PlotView);
CGPoint delta = new CGPoint(originalLocation.X, originalLocation.Y - touchPoint.Y);
UISnapBehavior snap = new UISnapBehavior(selectedPoint, originalPosition);
snap.Damping = 0.2f;
UIPushBehavior push = new UIPushBehavior(new IUIDynamicItem[] { selectedPoint }, UIPushBehaviorMode.Instantaneous);
push.PushDirection = new CGVector(0.0f, delta.Y > 0 ? -1.0f : -1.0f);
push.Magnitude = 0.001f;
UIDynamicAnimator animator = new UIDynamicAnimator();
animator.AddBehavior(snap);
animator.AddBehavior(push);
selectedPoint.Animator = animator;
}
private void applyForce(CGVector direction, nfloat magnitude)
{
var force = new UIPushBehavior(UIPushBehaviorMode.Instantaneous, spiderView);
force.PushDirection = direction;
force.Magnitude = magnitude;
spiderAnimator.AddBehavior(force);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
var collisionBehavior = new UICollisionBehavior(square)
{
TranslatesReferenceBoundsIntoBoundary = true
};
var pushBehavior = new UIPushBehavior(UIPushBehaviorMode.Instantaneous, square)
{
Angle = 0.0f,
Magnitude = 0.0f
};
Animator = new UIDynamicAnimator(View);
Animator.AddBehaviors(collisionBehavior, pushBehavior);
redSquare.Center = new CGPoint(View.Bounds.GetMidX(), View.Bounds.GetMidY());
redSquare.Layer.AnchorPoint = new CGPoint(0.0f, 0.5f);
View.AddGestureRecognizer(new UITapGestureRecognizer((gesture) => {
/*
* Tapping will change the angle and magnitude of the impulse.
* To visually show the impulse vector on screen, a red line representing
* the angle and magnitude of this vector is briefly drawn.
*/
CGPoint p = gesture.LocationInView(View);
CGPoint o = new CGPoint(View.Bounds.GetMidX(), View.Bounds.GetMidY());
float distance = (float)Math.Sqrt((p.X - o.X) * (p.X - o.X) + (p.Y - o.Y) * (p.Y - o.Y));
float angle = (float)Math.Atan2(p.Y - o.Y, p.X - o.X);
distance = Math.Min(distance, 100.0f);
redSquare.Bounds = new CGRect(0.0f, 0.0f, distance, 5.0f);
redSquare.Transform = CGAffineTransform.MakeRotation(angle);
redSquare.Alpha = 1.0f;
UIView.Animate(1.0f, () => {
redSquare.Alpha = 0.0f;
});
pushBehavior.Magnitude = distance / 100.0f;
pushBehavior.Angle = angle;
pushBehavior.Active = true;
}));
}
public override void ViewDidLoad ()
{
base.ViewDidLoad ();
var collisionBehavior = new UICollisionBehavior (square) {
TranslatesReferenceBoundsIntoBoundary = true
};
var pushBehavior = new UIPushBehavior (UIPushBehaviorMode.Instantaneous, square) {
Angle = 0.0f,
Magnitude = 0.0f
};
Animator = new UIDynamicAnimator (View);
Animator.AddBehaviors (collisionBehavior, pushBehavior);
redSquare.Center = new PointF (View.Bounds.GetMidX (), View.Bounds.GetMidY ());
redSquare.Layer.AnchorPoint = new PointF (0.0f, 0.5f);
View.AddGestureRecognizer (new UITapGestureRecognizer ((gesture) => {
/*
Tapping will change the angle and magnitude of the impulse.
To visually show the impulse vector on screen, a red line representing
the angle and magnitude of this vector is briefly drawn.
*/
PointF p = gesture.LocationInView (View);
PointF o = new PointF (View.Bounds.GetMidX (), View.Bounds.GetMidY ());
float distance = (float)Math.Sqrt ((p.X - o.X) * (p.X - o.X) + (p.Y - o.Y) * (p.Y - o.Y));
float angle = (float)Math.Atan2 (p.Y - o.Y, p.X - o.X);
distance = Math.Min (distance, 100.0f);
redSquare.Bounds = new RectangleF (0.0f, 0.0f, distance, 5.0f);
redSquare.Transform = CGAffineTransform.MakeRotation (angle);
redSquare.Alpha = 1.0f;
UIView.Animate (1.0f, () => {
redSquare.Alpha = 0.0f;
});
pushBehavior.Magnitude = distance / 100.0f;
pushBehavior.Angle = angle;
pushBehavior.Active = true;
}));
}
public override void TouchesEnded (NSSet touches, UIEvent evt)
{
base.TouchesEnded (touches, evt);
if (selectedPoint == null) {
return;
}
UISnapBehavior snap = new UISnapBehavior(selectedPoint, originalPosition);
snap.Damping = 0.2f;
UIPushBehavior push = new UIPushBehavior(new IUIDynamicItem[] { selectedPoint }, UIPushBehaviorMode.Instantaneous);
push.PushDirection = new CGVector(0.0f, -1.0f);
push.Magnitude = 0.001f;
UIDynamicAnimator animator = new UIDynamicAnimator();
animator.AddBehavior(snap);
animator.AddBehavior(push);
selectedPoint.Animator = animator;
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear (animated);
TKChartVisualPoint[] points = chart.VisualPointsForSeries (chart.Series [0]);
originalValues = new List<CGPoint> ();
foreach (TKChartVisualPoint p in points) {
originalValues.Add (p.CGPoint);
}
TKChartVisualPoint point = points[4];
UISnapBehavior snap = new UISnapBehavior (point, point.Center);
snap.Damping = 0.2f;
UIPushBehavior push = new UIPushBehavior (new IUIDynamicItem[] { point }, UIPushBehaviorMode.Instantaneous);
push.PushDirection = new CGVector (0.0f, -1.0f);
push.Magnitude = 0.003f;
UIDynamicAnimator animator = new UIDynamicAnimator();
animator.AddBehavior(snap);
animator.AddBehavior(push);
point.Animator = animator;
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded (touches, evt);
if (selectedPoint == null) {
return;
}
UITouch touch = (UITouch)touches.AnyObject;
CGPoint touchPoint = touch.LocationInView(chart.PlotView);
CGPoint delta = new CGPoint(originalLocation.X, originalLocation.Y - touchPoint.Y);
UISnapBehavior snap = new UISnapBehavior(selectedPoint, originalPosition);
snap.Damping = 0.2f;
UIPushBehavior push = new UIPushBehavior(new IUIDynamicItem[] { selectedPoint }, UIPushBehaviorMode.Instantaneous);
push.PushDirection = new CGVector(0.0f, delta.Y > 0 ? -1.0f : -1.0f);
push.Magnitude = 0.001f;
UIDynamicAnimator animator = new UIDynamicAnimator();
animator.AddBehavior(snap);
animator.AddBehavior(push);
selectedPoint.Animator = animator;
}
protected void DynamicAnimatorDidPause(UIDynamicAnimator animator)
{
this.Animator.RemoveAllBehaviors();
_collision = null;
_topView = null;
_push = null;
_gravity = null;
_composite = null;
_animator = null;
this.SlidingViewController.TopViewController.View.UserInteractionEnabled = true;
UIViewController topController = this.SlidingViewController.GetViewControllerForKey(ECSlidingViewController.ECTransitionContextTopViewControllerKey);
if ((_panningRight && _positiveLeftToRight) || (!_panningRight && !_positiveLeftToRight))
{
topController.View.Frame = this.SlidingViewController.GetFinalFrameForViewController(topController);
this.SlidingViewController.FinishInteractiveTransition();
}
else if ((_panningRight && !_positiveLeftToRight) || (!_panningRight && _positiveLeftToRight))
{
topController.View.Frame = this.SlidingViewController.GetInitialFrameForViewController(topController);
this.SlidingViewController.CancelInteractiveTransition();
}
this.SlidingViewController.CompleteTransition(true);
}
private void DismissImageWithFlick(PointF velocity) // COMPLETE
{
Flags.ImageIsFlickingAwayForDismissal = true;
UIPushBehavior push = new UIPushBehavior (new IUIDynamicItem[] { ImageView }, UIPushBehaviorMode.Instantaneous);
push.PushDirection = new CGVector ((float)(velocity.X * 0.12), (float)(velocity.Y * 0.12));
push.SetTargetOffset (ImageDragOffsetFromImageCenter, ImageView);
push.Action = () => {
if (ImageViewIsOffscreen()) {
Animator.RemoveAllBehaviors();
AttachmentBehavior = null;
ImageView.RemoveFromSuperview();
Dismiss(true);
}
};
Animator.RemoveBehavior (AttachmentBehavior);
Animator.AddBehavior (push);
}
