// from 2010 demo by Reza.
// It plots random data on 3D

import processing.opengl.*;
//import peasy.org.apache.commons.math.*;
import peasy.*;
//import peasy.org.apache.commons.math.geometry.*;


PeasyCam cam;
ArrayList transactions = null;         //create a container for transactions from the data
int squareSize = 5;                   //sets the size of the squares being drawn
int counter = 0;                       //counter to keep track of the transactions being used. 
float value = 0; 

int gridInterval = 50; 
int PLOTX1, PLOTX2;
int PLOTY1, PLOTY2;
int PLOTZ1, PLOTZ2;
int DATAMIN, DATAMAX;
int DATAMINZ, DATAMAXZ;
int XMIN, XMAX;
int XINTERVAL; 
int YINTERVAL; 
int ZINTERVAL; 
PFont font; 

void setup()
{
   ///Set up Canvas 
  size(1000,700,OPENGL);       //setup a 500 by 500 Pixel Space to work with 280 transactions...for you want to show more make sure you have enough transactions in your splxmldata.txt file.
  hint(DISABLE_OPENGL_2X_SMOOTH);
  hint(ENABLE_OPENGL_4X_SMOOTH); 

  smooth();
  frameRate(1000);       //set the frameRate of the Visualization 

  font = loadFont("Helvetica-18.vlw");
  PLOTX1 = -750; 
  PLOTX2 = 750; 
  PLOTY1 = -500; 
  PLOTY2 = 500; 
  PLOTZ1 = -250; 
  PLOTZ2 = 250; 
  DATAMIN = 0; 
  DATAMAX = 500;
  DATAMINZ = 0; 
  DATAMAXZ = 250;
  XMIN = 0; 
  XMAX = PLOTX2; 
  XINTERVAL = 50; 
  YINTERVAL = 50; 
  ZINTERVAL = 50;  

  cam = new PeasyCam(this,(PLOTX1+PLOTX2)*.5,(PLOTY1+PLOTY2)*.5,(PLOTZ1+PLOTZ2)*.5, 1000);
  cam.setMinimumDistance(1);
  cam.setMaximumDistance(5000);

}

void draw()        //draw loop that runs over and over until user quits
{
  background(31,126,255);  //sets the background color; 
    axis();   
    drawGrid();
    drawPlot();
    drawTitle();
    drawAxisLabels();
    drawXLabels(); 
    drawYLabels(); 
    drawZLabels(); 
    drawData(); 
    counter = 0;             //sets the counter to zero to start over again
}
  
void axis()
{
  strokeWeight(2);   
  stroke(255,255,255); 
  line(PLOTX1,PLOTY1,PLOTZ1,PLOTX2,PLOTY1,PLOTZ1);
  
  stroke(255,255,255); 
  
  line(PLOTX1,PLOTY1,PLOTZ1,PLOTX1,PLOTY2,PLOTZ1);
  
  stroke(255,255,255); 
  
  line(PLOTX1,PLOTY1,PLOTZ1,PLOTX1,PLOTY1,PLOTZ2);
}

void drawData()
{
  stroke(255,50); 
  strokeWeight(2); 
  fill(255,50); 
  for(int x = PLOTX1; x <= PLOTX2; x+=XINTERVAL)
  {
    beginShape(TRIANGLE_STRIP);
    for(int y = PLOTY1; y <= PLOTY2; y+=YINTERVAL)
    {
      for(int z = PLOTZ1; z < PLOTZ2; z+=ZINTERVAL)
      {
        vertex(x,y,PLOTZ1*noise(y*x)); 
        vertex(x+XINTERVAL,y,PLOTZ1*noise(y*x)); 
      }
    }
    endShape(); 
  }
}