interactiveNoiseLines

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// noise, grayscale, map, text, shape, vertex

// Move the mouse to interact.

// Mouse click to toggle render

​

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float xincr, yincr, xincr2, yincr2, dst, fp, fp2;

boolean isBlk = false;

​

void setup() {

  size(550, 550);

  background(0);

  dst = 100;

  smooth();

  noiseSeed(123);

}

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void draw() {

  if (isBlk) {

    background(50);

    stroke(200);

    fill(200);

  } else {

    background(200);

    stroke(50);

    fill(50);

  }

  text("X: ", 20, 30);

  text("Y: ", 20, 45);

  text(fp, 40, 30);

  text(fp2, 40, 45);

  noFill();

​

  translate(width/2, height/2);

​

  fp = map(mouseX, 0, width, -.05, .05);

  fp2 = map(mouseY, 0, height, -.05, .05);

​

  xincr += .001;

  yincr += .001;

​

  yincr2 = yincr;

  for (float y = -dst; y <= dst; y += 5) {

    yincr2 += fp;

    beginShape();

    xincr2 = xincr;

    for (float x = -dst; x <= dst; x += 5) {

      xincr2 += fp2;

      vertex(x * noise(xincr2, yincr2) * 3, y * noise(xincr2, yincr2) * 3);

    }

    endShape();

  }

}

​

void mousePressed() {

  isBlk = !isBlk;

}

​