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;
    }
 
};