// Simulated screen for view control by dragging points
// Written by Jarek Rossignac June 2006. Modified Septmber 2007
import processing.opengl.*;                // load OpenGL
import javax.media.opengl.*; 
import javax.media.opengl.glu.*; 
import java.nio.*;
GL gl; 
GLU glu; 
float a=0;
float ax = 0;
float az = 0;
boolean pickS=false;

Mobile mobile = new Mobile();
pt ptMouse3D = new pt();

boolean showCoord = true;

int texnum = 4;
PImage[] tex = new PImage[texnum];

// ** SETUP **
void setup() { size(800, 800, OPENGL); setColors(); sphereDetail(12); //smooth();
  PFont font = loadFont("Courier-14.vlw"); textFont(font, 12);  // font for writing labels on screen
  //this.addMouseWheelListener(new CMouseWheelEvent());// wheel 
  gl=((PGraphicsOpenGL)g).gl; glu=((PGraphicsOpenGL)g).glu; 
  tex[0] = loadImage("1.jpg");
  tex[1] = loadImage("2.jpg");
  tex[2] = loadImage("3.jpg");
  tex[3] = loadImage("4.jpg");
  textureMode(NORMALIZED);
} 
 
// ** DRAW **
void draw() {
  lights(); directionalLight(0,0,128,0,1,0); directionalLight(0,0,128,0,0,1);  
  //ortho(0, width, 0, height, -10, 10); 
  background(white); 
  pushMatrix();
 
  translate(width/2,height/2,-150);
  rotateX(-ax*PI/height/2.);
  rotateZ(-az*PI/width/4.);
  //translate(-width/2,-height/2,0); 

  if ( mousePressed )
  {
        
    if ( mouse_pressed )
    {
       mobile.Select(); 
       mouse_pressed = false;
    }
    else if ( mouse_released == false )
    {
      if ( mobile.Drag() == false )
      {
         ax+=mouseY-pmouseY;  az+=mouseX-pmouseX; 
      }
    }
  }
  
  if ( keyPressed && key_pressed)
  {
    if ( mobile.PressKey() == false )
    {
      if (key == 'c') showCoord = !showCoord;
      else if (key == 's') mobile.Save();
      else if (key == 'l') mobile.Load();
      else if (key == 'r') mobile.Reset();
    }
    key_pressed = false;
  }

  mobile.Draw();
  ptMouse3D.pick();
 
  if ( showCoord )
  {
    stroke(red);
    line(0,0,0, 100,0,0);
  
    stroke(green);
    line(0,0,0, 0,100,0);

    stroke(blue);
    line(0,0,0, 0,0,100);  
  }
  
  popMatrix();
  
  
  pushMatrix();
  translate(0, 20);
  fill(black); text("Click to select a node.",0,0); noFill(); translate(0, 20);
  
  if ( mobile.IsSelected() == false )
  {
     fill(black); text("Press 'c' to show/hide the coordinate axis.",0,0); noFill(); translate(0, 20);
     fill(black); text("Press 's' to save mobile.",0,0); noFill(); translate(0, 20);
     fill(black); text("Press 'l' to load mobile.",0,0); noFill(); translate(0, 20);
     fill(black); text("Press 'r' to reset mobile.",0,0); noFill(); translate(0, 20);
     
  }  
  
  mobile.ShowMenu();
  popMatrix();
  }

//***      KEY ACTIONS (details in keys tab)

boolean key_pressed = false;
void keyPressed() 
{
  key_pressed = true;
 // keys(); 
};

boolean mouse_pressed = false;
boolean mouse_released = false;
void mousePressed() 
{ 
   mouse_pressed = true;
   mouse_released = false;
   pick=true;
}  
void mouseReleased() 
{
  mouse_released = true;
  picked=false;
}