/// <summary>
/// Initializes a new instance of the <see cref="MyNode"/> class.
/// </summary>
/// <param name="rand">The rand.</param>
/// <param name="circleTex">The circle tex.</param>
/// <param name="screenSize">Size of the screen.</param>
/// <param name="gardener">The gardener.</param>
public MyNode(Random rand, Texture2D circleTex, Point screenSize, Gardener gardener)
: base(rand, circleTex, screenSize)
{
this.NodeSizeMax = 70;
this.gardener = gardener;
var accentColor = (System.Windows.Media.Color)Application.Current.Resources["PhoneAccentColor"];
this.color = GetXnaColour(accentColor);
// set the controllable node to take touch events
Touch.FrameReported += this.TouchFrameReported;
this.DisableVirtualMovement = true;
var pingTag = new PingTag { AccentColour = accentColor };
this.Tag = pingTag.Serialize();
}
private void Ping()
{
var selfNode = this.nodes.FirstOrDefault(n => n.NodeType == TypeOfNode.Self);
selfNode.CreateRipple();
var tag = new PingTag { AccentColour = selfNode.AccentColour, Ping = true };
gardener.UpdateSelfNodePosition(selfNode.X, selfNode.Y, tag.Serialize());
gardener.ClearSelfPing();
}
/// <summary>
/// Handles the FrameReported event of the Touch control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Input.TouchFrameEventArgs"/> instance containing the event data.</param>
private void TouchFrameReported(object sender, TouchFrameEventArgs e)
{
TouchPoint tp = e.GetPrimaryTouchPoint(null);
switch (tp.Action)
{
case TouchAction.Down:
// when the user touches the screen find out if they hit the node, if so start dragging
if (Vector2.DistanceSquared(new Vector2((float)tp.Position.X, (float)tp.Position.Y), this.Position) < Global.TouchPointSize * Global.TouchPointSize)
{
this.isBeingDragged = true;
heldAt = new Vector2((float)tp.Position.X, (float)tp.Position.Y);
}
break;
case TouchAction.Move:
// if dragging move the node to the touch position
if (this.isBeingDragged)
{
var x = tp.Position.X;
var y = tp.Position.Y;
this.Position = new Vector2((float)x, (float)y);
var accentColour = (System.Windows.Media.Color)Application.Current.Resources["PhoneAccentColor"];
var tag = new PingTag { AccentColour = accentColour, Ping = false };
this.gardener.UpdateSelfNodePosition(x, y, tag.Serialize());
}
break;
case TouchAction.Up:
// release finger and stop dragging
this.isBeingDragged = false;
if (heldAt == new Vector2((float)tp.Position.X, (float)tp.Position.Y))
{
Debug.WriteLine("Ping");
var accentColour = (System.Windows.Media.Color)Application.Current.Resources["PhoneAccentColor"];
CreateRipple(GetXnaColour(accentColour));
var tag = new PingTag { AccentColour = accentColour, Ping = true };
gardener.UpdateSelfNodePosition(tp.Position.X, tp.Position.Y, tag.Serialize());
gardener.ClearSelfPing();
}
break;
default:
break;
}
}