void setup() {
  size(400, 400);
  background(255);
  drawPointillistTrees();
  drawText();
}

void drawPointillistTrees() {
  int numTrees = 3;
  for (int i = 0; i < numTrees; i++) {
    float x = width * (0.2 + i * 0.3);
    float y = height * 0.6;
    drawPointillistTree(x, y);
  }
}

void drawPointillistTree(float x, float y) {
  int numDots = 12000;
  float trunkWidth = 25;
  float trunkHeight = 60;
  float foliageRadius = 70;
  
  // Draw trunk with texture
  for (int i = 0; i < numDots / 4; i++) {
    float px = x + random(-trunkWidth / 2, trunkWidth / 2);
    float py = y + random(0, trunkHeight);
    stroke(120 + random(-30, 30), 60 + random(-20, 20), 20); // Varying brown shades
    point(px, py);
  }
  
  // Draw foliage with more layers and varied dot sizes, ensuring no white gaps
  for (int i = 0; i < numDots; i++) {
    float angle = random(TWO_PI);
    float radius = sqrt(random(0, 1)) * foliageRadius; // Ensures even dot distribution
    float px = x + radius * cos(angle);
    float py = y - trunkHeight + radius * sin(angle);
    
    stroke(getSeuratTreeColor(px, py));
    point(px, py);
  }
}

color getSeuratTreeColor(float x, float y) {
  float noiseValue = noise(x * 0.02, y * 0.02);
  if (noiseValue < 0.2) {
    return color(20, 100, 20); // Dark green shadows
  } else if (noiseValue < 0.5) {
    return color(34, 139, 34); // Rich green
  } else if (noiseValue < 0.8) {
    return color(50, 205, 50); // Medium green
  } else {
    return color(173, 255, 47); // Bright highlights for sunlight
  }
}

void drawText() {
  fill(0);
  textSize(32);
  textAlign(CENTER);
  text("Seurat Trees", width / 2, height - 20);
}