Evolution of Xanthorrhoea 001_2

processing code

// Author: Rupert Russell
// Title: xanthorrhoea 001.2
// Date: October 20, 2010



void setup() {
  size(300, 300);
  smooth();
  noLoop();
}  // end of viod setup




void draw() {
  
  int trunk_width;
  int trunk_height;
  float lean;
  int start_x;
  int start_y;
  
  // draw first trunk
  trunk_width = 25;
  trunk_height = 150;
  lean = 0.1;
  start_x = width /3;
  start_y = height - 20;
  xanthorrhoea(trunk_width, trunk_height, lean, start_x, start_y);    
  
  // draw second trunk
  trunk_width = 35;
  trunk_height = 170;
  lean = -0.11;
  start_x = width /2 + 20;
  start_y = height;
  xanthorrhoea(trunk_width, trunk_height, lean, start_x, start_y);   
  
} // end void draw()
   

void xanthorrhoea(int trunk_width, int trunk_height, float lean, int start_x, int start_y){
   
  // draw trunk
  float step = 0.7;
  for (int counter = 0; counter < trunk_height; counter ++){
  
    strokeWeight(random(0.2, 2));
    float rand_y = random(0.2, 5);
    float rand_x = random(10);
    line(start_x + rand_x + (lean * counter) , start_y - (step * counter) - rand_y , start_x + trunk_width + rand_x + (lean * counter), start_y - (step * counter) - rand_y * 2 );
  } // end of for loop
} // end of viod xanthorrhoea