import ddf.minim.*;

Minim minim;
AudioInput in;
float lemin, lemax;
boolean cliqued = false;
float[] X = new float[1024];

void setup(){
  size(800, 600);
  minim = new Minim(this);
  in = minim.getLineIn(Minim.MONO, 1024, 44100);
  smooth();
  textFont(createFont("Arial", 12));
  frameRate(4);
}

void draw() {
  background(15,50,20);
  fill(255);
  text("Phonautographe du pr. Pierre "+frameCount, 10,height-12);
  stroke(200,0,0);
  line(0,height/2,width,height/2);
  stroke(255); 
  if (!cliqued) {
    X = in.left.toArray(); 
    for(int i = 0; i < X.length-1; i++)  {
    float h1 = map(X[i],-1,+1,height,0);
    float h2 = map(X[i+1],-1,+1,height,0);
    line(i, h1, i+1, h2);
    //line(i,height/2,i,h1);
    }
  }
  else {
  lemax = max(X);
  lemin = min(X);
  for(int i = 0; i < X.length-1; i++)  {
    float h1 = map(X[i],lemin,lemax,height,0);
    float h2 = map(X[i+1],lemin,lemax,height,0);
    line(i, h1, i+1, h2);
  }
  }
}

void keyPressed(){
  cliqued = !cliqued;
  if (cliqued) noLoop(); else loop();
  //save("scope"+frameCount+".png");
}

void stop() {
  in.close();
  minim.stop();
  super.stop();
}