[Processing] procedural art//thedotisblack reference

float sw, alpha;

float yStep = 10;

float arcSize = 200;

float sw, alpha;

float yStep = 10;

float arcSize = 200;

void setup() {

  size(1280, 720);

}

void draw() {

  background(#E0DEDE);

  mouseX = constrain(mouseX, 10, width);

  mouseY = constrain(mouseY, 10, height);

  //yStep = mouseY;

  //arcSize = mouseX;

  noFill();

  stroke(20);

  strokeWeight(5);

  for (int y=0; y<height; y+=yStep) {

    for (int x=0; x<width+arcSize; x+= arcSize) {

      sw = map(sin(radians(y+alpha)), -1, 1, 2, yStep);

      strokeWeight (sw); 

      //(you can change PI HERE)float arcL = map(mouseX, 0, width, 0, TWO_PI );

      arc(x, y, arcSize/2, arcSize/2, 0, PI);

      arc(x+arcSize/2, y, arcSize/2, arcSize/2, PI, TWO_PI);

    }

  }

  alpha++;

}