protected internal override void Step(float dt)
{
CCFollow followAction = FollowAction;
CCPoint followedNodePos = followAction.FollowedNode.Position;
if (followAction.UsingBoundary)
{
// whole map fits inside a single screen, no need to modify the position - unless map boundaries are increased
if (followAction.BoundaryFullyCovered)
{
return;
}
CCPoint tempPos = cachedHalfScreenSize - followedNodePos;
Target.Position = new CCPoint(
MathHelper.Clamp(tempPos.X, cachedBoundary.LeftBoundary, cachedBoundary.RightBoundary),
MathHelper.Clamp(tempPos.Y, cachedBoundary.BottomBoundary, cachedBoundary.TopBoundary)
);
}
else
{
Target.Position = cachedHalfScreenSize - followedNodePos;
}
}
public CCFollowState(CCFollow action, CCNode target) : base(action, target)
{
// Cache these structs so we don't have to get them at each running step
CCFollow followAction = FollowAction;
cachedBoundary = followAction.Boundary;
cachedHalfScreenSize = followAction.HalfScreenSize;
}
public CCFollowState (CCFollow action, CCNode target) : base (action, target)
{
// Cache these structs so we don't have to get them at each running step
CCFollow followAction = FollowAction;
cachedBoundary = followAction.Boundary;
cachedHalfScreenSize = followAction.HalfScreenSize;
}
public override void OnEnter()
{
base.OnEnter();
var visibleBounds = VisibleBoundsWorldspace;
var origin = VisibleBoundsWorldspace.Origin;
var size = VisibleBoundsWorldspace.Size;
var sprite1 = new CCSprite("Images/CyanSquare.png");
sprite1.Position = origin + size.Center + new CCPoint(-80, 80);
AddChild(sprite1, 10);
var follow = new CCFollow(sprite1, new CCRect(0, 0, 3000, 600));
RunAction(follow);
sprite1.PositionX = size.Width + 100;
sprite1.PositionY = size.Height / 2;
// Make sprite1 touchable
var listener1 = new CCEventListenerTouchOneByOne();
listener1.IsSwallowTouches = true;
listener1.OnTouchBegan = (touch, touchEvent) =>
{
var layerOffset = Layer.PositionWorldspace;
var target = (CCSprite)touchEvent.CurrentTarget;
var locationInNode = touch.Location;
CCRect rect = target.BoundingBoxTransformedToWorld;
rect.Origin += layerOffset;
if (rect.ContainsPoint(locationInNode))
{
CCLog.Log("sprite began... x = {0}, y = {1}", locationInNode.X, locationInNode.Y);
target.Opacity = 180;
return true;
}
return false;
};
listener1.OnTouchMoved = (touch, touchEvent) =>
{
var target = (CCSprite)touchEvent.CurrentTarget;
CCPoint pt = touch.PreviousLocation + touch.Delta;
target.Position = target.WorldToParentspace(pt);
};
listener1.OnTouchEnded = (touch, touchEvent) =>
{
var target = (CCSprite)touchEvent.CurrentTarget;
CCLog.Log("sprite onTouchesEnded..");
target.Opacity = 255;
};
sprite1.AddEventListener(listener1);
}