int rectX = 0;
int newX;
PImage chunks;
int embarassingVariableName;

boolean horixVert = true;
int counter = 0;
int timeGoal = int(random(100, 500));


int num = 3;
int range = 16;

float[] ax = new float[num];
float[] ay = new float[num]; 

float[] bx = new float[num];
float[] by = new float[num];

void setup(){
  size(600, 800);
  smooth();
  background(255, 255, 7255);
    for(int i=0; i<num; i++) {
    ax[i] = width / 2;
    ay[i] = height - (height / 4);
  }
  for(int i=0; i<num; i++) {
    bx[i] = width / 2;
    by[i] = height / 4;
  }
}

void draw(){
    
// Shift all elements 1 place to the left
  for(int i=1; i<num; i++) {
    ax[i-1] = ax[i];
    ay[i-1] = ay[i];
  }

  // Put a new value at the end of the array
  ax[num-1] += random(-range, range);
  ay[num-1] += random(-range, range);

  // Constrain all points to the screen
  ax[num-1] = constrain(ax[num-1], 0, width);
  ay[num-1] = constrain(ay[num-1], 0, height);
  
    // Shift all elements 1 place to the left
  for(int i=1; i<num; i++) {
    bx[i-1] = bx[i];
    by[i-1] = by[i];
  }

  // Put a new value at the end of the array
  bx[num-1] += random(-range, range);
  by[num-1] += random(-range, range);

  // Constrain all points to the screen
  bx[num-1] = constrain(bx[num-1], 0, width);
  by[num-1] = constrain(by[num-1], 0, height);
  
  // Draw a line connecting the points
  for(int i=1; i<num; i++) {    
    float val = float(i)/num * 204.0 + 51;
    stroke(0,embarassingVariableName);
    line(ax[i-1], ay[i-1], bx[i], by[i]);
  }
  
  
  //a rectangle to clear the screen, kind of.
  
  noStroke();
  fill(255, 40);
  newX = rectX - (width/10);
  rect(newX, 0, width/10, height);
  rectX += width / 40;
  rectX  %= (width + width/10) + (20*width);
  
  counter++;
  
  if(counter > timeGoal){counter = 0; timeGoal = int(random(100, 400)); getSetGo();}
  
  if(keyPressed){if(key == 'k'){saveFrame("line-####.tif");}}
}

void mousePressed (){
 getSetGo();
}

void getSetGo(){
  float yesNo = random(1);
  float stripSize = random(1,10);
  //horizontalGet
  if (yesNo > .5){chunks = get(0, int(random(height)), width, int(stripSize));}
  else 
  //verticalGet
  {chunks = get(0, int(random(1,height)), width, int(stripSize));}
  
  pushMatrix();
  translate(random(1,width), random(1,height));
  for(float iter = 0; iter < TWO_PI; iter += PI / (stripSize + random(1,6))){
    pushMatrix();
    rotate(iter);  
    image (chunks,1,1);
    popMatrix();
  }
  popMatrix();
  if(yesNo > .8){
    embarassingVariableName = 0; 
    int times = int(random(8));
    for(int iter = 0; iter < times; iter++){
    chunks = get(0, int(random(height)), width, int(random(50, 500)));
    int setHereY = int(random(height));
    int setHereX = int(random(width));
    set(setHereX, setHereY, chunks);
    set(setHereX + width, setHereY, chunks);
    set(setHereX - width, setHereY, chunks);
    }
    counter = -600;
}
  else{embarassingVariableName = 255;}
}