package custom_nodes;

import shout3d.core.*;
import shout3d.*;
import java.awt.*;


public class CountDisplay extends PostRenderEffect implements DeviceObserver {

   boolean initialized = false;
   int count = 0;
     Font labelFont =  new Font("SansSerif", Font.BOLD, 16);

   //constructor
   public CountDisplay () {
   }

   //to handle mouse input
   public boolean onDeviceInput(DeviceInput di, Object userData) {
      MouseInput mi = (MouseInput)di;
      switch (mi.which) {

         case MouseInput.DOWN:
            count++;
            return true;

      }
      return false;
   }

   //called after each render;
   //overriden from super class
   public void filter(Graphics g, int surface_pixel_bits[], float z_buffer[], int deviceWidth, int deviceHeight){

      //register to receive mouse events
      if (!initialized) {
         getViewer().getDeviceListener().addDeviceObserver(this, "MouseInput", null);
         initialized = true;
      }

      g.setFont(labelFont);
      g.setColor(java.awt.Color.red);
      String countString = ""+count;
      g.drawString(countString, 30, 30);
   }

}