hoja.pde

void hoja(float x, float y, float s, float ang, int col) {
  float w = s*0.3;
  float h = int(s);
  pushMatrix();
  translate(x, y);
  rotate(ang);

  float pb = 0.8;
  float px = 2.2;

  noStroke();  
  fill(col);
  for (int i = 0; i < h; i++) {
    float dx1 = sin(pow(map(i, 0, h, 0, 1), pb)*PI)*w;
    float dx2 = sin(pow(map(i+1, 0, h, 0, 1), pb)*PI)*w;
    float dy1 = pow(map(i, 0, h, 0, 1), px)*h;
    float dy2 = pow(map(i+1, 0, h, 0, 1), px)*h;
    beginShape();
    vertex(dx1, -i);
    vertex(dx2, -i-1);
    vertex(0, -dy2);
    vertex(0, -dy1);
    endShape(CLOSE);
  }

  col = lerpColor(col, color(0), 0.2);
  for (int i = 0; i < h; i++) {
    float dx1 = sin(pow(map(i, 0, h, 0, 1), pb)*PI)*-w;
    float dx2 = sin(pow(map(i+1, 0, h, 0, 1), pb)*PI)*-w;
    float dy1 = pow(map(i, 0, h, 0, 1), px)*h;
    float dy2 = pow(map(i+1, 0, h, 0, 1), px)*h;
    beginShape();
    vertex(dx1, -i);
    vertex(dx2, -i-1);
    vertex(0, -dy2);
    vertex(0, -dy1);
    endShape(CLOSE);
  }

  popMatrix();
}