import QuickGrab.*;

Grab g;
int spacing;
int segWidth;
int maxHeight;
int minHeight;
int numSegments;
int counter;

void setup() {
  // Change this to your screen dimensions
  size(560, 385, P3D);
  g = new Grab(this);
  
  counter = 0;
  spacing = 4;
  segWidth = 2;
  maxHeight = height;
  minHeight = 10;
  
  noiseSeed(round(random(8000)));
  numSegments = int(round(width / (spacing + segWidth)));
  generateLines();
  
  frameRate(45);
}

void draw() {
  generateLines();
}

void keyPressed () {
    if(key == TAB) {
      generateLines();
    }
}

void generateLines() {
  rectMode(CENTER);
  noStroke();
  background(168, 24, 72);
  fill(166, 207, 151);

  float n;
  float h;
  int startX = 3;
  int y = height / 2;
  
  noiseDetail(1, 0.001);
  float noiseScale = 0.05;
  for(int i = 0; i<numSegments; i++){
    n = noise(i * noiseScale, counter * noiseScale);
    h = minHeight + n * (maxHeight - minHeight) * 2;
    rect(5 + (i * (spacing + segWidth)), y, segWidth, h); 

  }
  counter++;
}