HoverEffect.c

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// -----------------------------------------------------------
class HoverEffect : ScriptedWidgetEventHandler
{
  reference float speed;
  reference float amount;
  protected float m_orginal_width;
  protected float m_orginal_height;
  protected Widget m_root;
  protected ref AnimatorTimer m_anim;
 
  void HoverEffect()
  {
    m_anim = new AnimatorTimer();
  }
 
  // -----------------------------------------------------------
  void OnWidgetScriptInit(Widget w)
  {
    m_root = w;
    m_root.SetHandler(this);
  }
 
  // -----------------------------------------------------------
  protected void Update()
  {
    float p = amount * m_anim.GetValue();
    m_root.SetSize(m_orginal_width + (m_orginal_width * p), m_orginal_height + (m_orginal_height * p));
 
    float c = 1.0 - (0.5 * m_anim.GetValue());
    m_root.SetColor(ARGBF(1, 1, c, c));
  }
 
  // -----------------------------------------------------------
  override bool OnMouseEnter(Widget w, int x, int y)
  {
    if (!m_anim.IsRunning()) m_root.GetSize(m_orginal_width, m_orginal_height);
    m_anim.Animate(1.0, speed);
 
    return false;
  }
 
  // -----------------------------------------------------------
  override bool OnMouseLeave(Widget w, Widget enterW, int x, int y)
  {
    m_anim.Animate(0.0, speed);
    return false;
  }
 
};