public StickyCornersBehavior(IUIDynamicItem stickyCornerItem, float stickyCornerInset)
{
item = stickyCornerItem;
cornerInset = stickyCornerInset;
fieldBehaviors = new List <UIFieldBehavior> ();
collisionBehavior = new UICollisionBehavior(item)
{
TranslatesReferenceBoundsIntoBoundary = true
};
itemBehavior = new UIDynamicItemBehavior(item)
{
Density = 0.01f,
Resistance = 10f,
Friction = 0f,
AllowsRotation = false
};
AddChildBehavior(collisionBehavior);
AddChildBehavior(itemBehavior);
for (int i = 0; i <= 3; i++)
{
var fieldBehavior = UIFieldBehavior.CreateSpringField();
fieldBehavior.AddItem(item);
fieldBehaviors.Add(fieldBehavior);
AddChildBehavior(fieldBehavior);
}
}
void UpdateFieldBehaviour(UIFieldBehavior fieldBehaviour, CGPoint point, CGRect regionRect)
{
fieldBehaviour.Position = new CGPoint(point);
fieldBehaviour.Region = new UIRegion(new CGSize(regionRect.Width / 2f - regionRect.X, regionRect.Height / 2f - regionRect.Y));
}
