Code

void setup() {
  size(800, 800);
  pixelDensity(2);
  colorMode(HSB, 360, 100, 100);
  noLoop();
  blendMode(SUBTRACT);
}

void draw() {
  background(21, 8, 89);
  pushMatrix();
  translate(width * 0.7, height);
  sinBranch(height * 0.75, 6);
  popMatrix();
  
  pushMatrix();
  translate(width * 0.3, height);
  sinBranch(height * 0.75, 6);
  popMatrix();
}

void sinBranch(float len, float n) {
  if (n > 0) {
    n--;
    float lastX = -999;
    float lastY = -999;
    float rad = map(len, 0, height, 0, 100);
    for (float y = 0; y > -len; y--) {
      float theta =  radians(map(y, 0, -len, 0, 360));
      float w = map(sin(radians(y)), -1, 1, n, 1);
      float x = rad * pow(sin(theta), 5);
      if ( lastX> -999) {
        strokeWeight(w); 
        stroke(360, 82, 85);
        line(x, y, lastX, lastY);
      }
      lastX = x;
      lastY = y;
    }
    noStroke();
    fill(211, 82, 85);
    ellipse(lastX, lastY, (n + 1) * 6, (n + 1)* 6);
    ellipse(lastX, lastY/2, (n + 1) * 6, (n + 1) * 6);

    translate(0, -len/2);
    len *= 0.6;
    pushMatrix();
    rotate(random(PI));
    sinBranch(len, n);
    popMatrix();

    pushMatrix();
    rotate(random(-PI));
    sinBranch(len, n);
    popMatrix();

    translate(0, -len *0.83);
    pushMatrix();
    rotate(random(PI));
    sinBranch(len, n);
    popMatrix();

    pushMatrix();
    rotate(random(-PI));
    sinBranch(len, n);
    popMatrix();
  }
}

void mousePressed() {
  redraw();
}

void keyPressed() {
  if (key == ' ') {
    saveFrame("####.png");
  }
}

Happy coding!!