public ChainedLabel(ChainedLabel target, Scene scene, Plane3D parent, float alpha, int order)
: base()
{
if (alpha != 0.0f)
{
alpha = Math.Lerp(0.2f, 1.0f, alpha);
}
FontMap = LargeFontMap;
HeightScale = scene.Camera.GetPixelSize();
Color = Math.Lerp(Colors.White, Colors.Grey60, alpha);
VertexZ = 1.0f;
Text = "Label.VertexZ=" + VertexZ;
Shadow = new Label()
{
FontMap = LargeFontMap, Color = Colors.Grey05
};
Shadow.HeightScale = HeightScale;
Shadow.Text = Text;
Target = target;
Schedule((dt) =>
{
if (Target == null)
{
// head node
this.Position = m_center + m_radius * new Vector2(FMath.Cos((float)Director.Instance.DirectorTime * 0.5f * 2.033f),
FMath.Cos((float)Director.Instance.DirectorTime * 0.5f * 0.98033f + 0.5f));
Vector2 touch_pos = Director.Instance.CurrentScene.Camera.GetTouchPos();
// you can drag the Label
if (Input2.Touch00.Down)
{
if (Input2.Touch00.Press
// not that since we set VertexZ and have used a perspective in this particular test scene,
// the picking here won't be very precise
&& this.IsWorldPointInsideContentLocalBounds(touch_pos))
{
m_dragged = true;
m_drag_start = touch_pos;
m_center = this.Position; // this is our new position, we zero the cosine offset too
m_radius = 0.0f;
m_drag_start_center = m_center;
}
if (m_dragged)
{
m_center = m_drag_start_center + (touch_pos - m_drag_start);
m_radius = 0.0f;
}
}
else
{
m_dragged = false;
m_radius += (m_radius_target - m_radius) * 0.001f;
}
}
else
{
// follower node
this.Position += 0.08f * (Target.Position - this.Position);
}
this.Shadow.Position = this.Position;
}
);
parent.AddChild(Shadow, -1);
parent.AddChild(this, order);
}