35C3_Teststrecke/lichtschranke/speedshowSimple/speedshowSimple.pde

import processing.serial.*;
import processing.net.*;
import java.io.FileWriter;
import java.io.*;
import java.util.*;
import spout.*;

boolean useSerial=true;
boolean useCubes=true;
Serial myCubes;
boolean updateCubes=false;
int cubecounter=0;

boolean spoutactive=false;
Spout spout;
PFont fontregular;
PFont font2am;
PFont font2amBig;
PImage image_line;
Serial myPort;
Server myServer;
String val = "0.0";
int speeds_show=3;
float[] speeds=new float[speeds_show];
int speeds_index=0; //points to next array index
float speedfloat=0;
float triggerspeedmin=15; //current triggerspeed
int unitdisplay=0;
int unitdisplay_count=9; //how much different units available
int xtextstart=10;

int[] randPosX=new int[speeds_show];
int[] randPosY=new int[speeds_show];
float[] randRot=new float[speeds_show];
long[] showTime=new long[speeds_show];

void setup() {
  //size(800, 600, P3D);
  size(1280, 800, P3D);
  frameRate(30);
  //fullScreen();
  
  randPosX[0]=int(width/2+width*-0.1);
  randPosX[1]=int(width/2+width*0.05);
  randPosX[2]=int(width/2+width*-0.05);
  
  randPosY[0]=int(height/2+height*-0.25);
  randPosY[1]=int(height/2+height*0);
  randPosY[2]=int(height/2+height*0.27);
  
  fontregular=createFont("Blackout Midnight Umlauts.ttf",64);
  //textFont(fontregular);
  
  
  font2am=createFont("Blackout Zwo Uhr Nachts.ttf",64);
  textFont(font2am);
  
  font2amBig=createFont("Blackout Zwo Uhr Nachts.ttf",150);
  
  
  myServer = new Server(this, 2323);
  image_line = loadImage("bleeptrackline.png");
  
  //String portName = "COM5";
  //String portName = "/dev/ttyUSB0";
  int useportID=-1;
  println("Serialports:");
  for(int i=0;i<Serial.list().length;i++){
    if (Serial.list()[i].contains("ttyUSB") || Serial.list()[i].contains("COM")){
      println(i+" "+Serial.list()[i]);
      if (useportID<0){ //no port set yet
        useportID=i;
      }
    }
  }
  
  if (useSerial) {
    String portName = Serial.list()[useportID];
    portName="/dev/ttyUSB0";
    println("Using Port:"+portName);
    myPort = new Serial(this, portName, 115200);
    
    
  }
  
  if (useCubes) {
    String portNameCubes="/dev/ttyUSB1";
    myCubes = new Serial(this, portNameCubes, 115200);
  }
  
  sendSpeedTrapValue(int(triggerspeedmin));
  
  background(0);
  
  
  if (spoutactive){
    spout=new Spout(this);
    spout.createSender("Spout Processing");
  }
}


// speed wird sein "20.08" oder

void draw() {
  if (useSerial && myPort.available() > 0) {
    String sread = myPort.readString();
    println("serialRead: " + sread);
    if (sread.length()>=7 && sread.substring(0,6).equals("speed=")){  //new speed measurement
      val = sread.substring(6,sread.length()-1);
    
      speedfloat=float(val);
      
      speeds_index++;
      speeds_index%=speeds_show;
      showTime[speeds_index] = millis();
      
      speeds[speeds_index]=speedfloat;
      randRot[speeds_index] = random(-PI/10,PI/10);
      randPosX[speeds_index] = int(width/2+width*random(-0.18,0.18));
      
      updateCubes=true;
      
      Date d=new Date();
      
      println(d.getTime()+";"+speedfloat);
      //pw.println(d.getTime()+";"+speedfloat);
      //pw.flush();
      appendTextToFile("speeds.txt",d.getTime()+";"+speedfloat);
      
      unitdisplay=int(random(0,unitdisplay_count));
      println("unitdisplay: "+unitdisplay);
      
      triggerspeedmin=getTimesPercentile(0.8);
      //triggerspeedmin=getTimesMax();
      sendSpeedTrapValue(int(triggerspeedmin));
      
      myServer.write(str(speedfloat));
    }
    
  }
  

  
  background(0);
  colorMode(RGB, 255,255,255);
  //fill(0,132,176); //35c3
  fill(254,80,0); //36c3
  
  //textSize(100);
  
  
  
  for (int i=speeds_show;i>0;i--){
    //text(  nf(speeds[(speeds_show+speeds_index-1+i)%speeds_show], 1,2) + " km/h",  xtextstart, lastytextpos);
    int _speedIndex=(speeds_show+speeds_index-1+i)%speeds_show;
    
    long _cshowTime=millis()-showTime[_speedIndex];
    float _dim=1-constrain(_cshowTime/3000.0,0.0,1.0); //start at 1, goes down to 0 and stays there
    fill(254*_dim,80*_dim,0); //36c3
    
    textFont(font2amBig);
    textAlign(CENTER, CENTER);
    //text(nf(speeds[_speedIndex], 1,2) + " km/h" ,randPosX[_speedIndex],randPosY[_speedIndex]);
    translate(randPosX[_speedIndex],randPosY[_speedIndex]);
    rotate(randRot[_speedIndex]);
    text(nf(speeds[_speedIndex], 1,2) + " km/h" ,0,0);
    rotate(-randRot[_speedIndex]); //rotate back
    translate(-randPosX[_speedIndex],-randPosY[_speedIndex]); //translate back
  
  }
  
  
  /*
  textSize(40);
  text( "speed trap: "+nf(triggerspeedmin,1,1) +" km/h", 10,  height-50);
  */
  
  
  
  
  if (spoutactive){
    spout.sendTexture();
  }
  
  if (updateCubes) {
    if (useCubes) {
        colorMode(HSB, 360, 100, 100);
        color col = color(random(0,360), 50, 50);
        /*int _r=int(random(0,255));
        int _g=int(random(0,255));
        int _b=int(random(0,255));*/
        //colorMode(RGB, 255,255,255);
        int _r=int(red(col));
        int _g=int(green(col));
        int _b=int(blue(col));
        
        
        myCubes.write("B,"+cubecounter+",10,"+_r+","+_g+","+_b+ 'X');
        
        
        
        println("B,"+cubecounter+",10,"+_r+","+_g+","+_b+ 'X');
        cubecounter++;
        if (cubecounter>50){
          updateCubes=false;
          cubecounter=30;
        }
        
      }
  }
  
  
}


void keyPressed() { //for testing
    if (key == 't') { 
      println("t");
      
      speedfloat=random(50);
      
      
      speeds_index++;
      speeds_index%=speeds_show;
      showTime[speeds_index] = millis();
      
      speeds[speeds_index]=speedfloat;
      randRot[speeds_index] = random(-PI/10,PI/10);
      randPosX[speeds_index] = int(width/2+width*random(-0.18,0.18));
      
      updateCubes=true;
    }
}

float getTimesMax(){
  float speedmax=0;
  for (int i=0;i<speeds_show;i++){
    if (speedmax<speeds[i]){
      speedmax=speeds[i];
    }
  }
  return speedmax;
}

float getTimesPercentile(float p){ //p==1 would be max value
  float[] sortedspeeds=sort(speeds);
  return sortedspeeds[int(p*sortedspeeds.length)];
}

void sendSpeedTrapValue(int v){
  if (useSerial) {
    myPort.write(""+v+"\n");
    println("Send trigger speed:"+v);
  }
}


void appendTextToFile(String filename, String text){
  File f = new File(dataPath(filename));
  if(!f.exists()){
    createFile(f);
  }
  try {
    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f, true)));
    out.println(text);
    out.close();
  }catch (IOException e){
      e.printStackTrace();
  }
}
void createFile(File f){
  File parentDir = f.getParentFile();
  try{
    parentDir.mkdirs(); 
    f.createNewFile();
  }catch(Exception e){
    e.printStackTrace();
  }
}