Fractal_tree

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<pre>
  <code class="processing">
　　　　　
  
import processing.pdf.*;

///*

float angle, a;
int circleW;
int count=0;


void setup() {
//size(700, 400,PDF,"fra.pdf");
size(700, 400);
circleW = 3; //circle joint weight
background(0);
}

void draw() {
background(0);
stroke(255);
//a =mouseX; //branch angle
a=30;
angle = radians(a);
translate(width/2, height);
line(0, 0, 0, -120);
translate(0, -120);
branch(200);
println(count);
saveFrame("fractal.jpg");
exit();
}

void branch(float h) {
  h *= 0.6;
//bHeight=h;
//mousePressed==true;
  if (h>60) {//make change here!!!using  110, 60, 40, 10
   count++;
   pushMatrix();
   rotate(angle*2);
   line(0, 0, 0, -h);
   ellipse(0, -h, circleW, circleW);
   translate(0, -h);
   branch(h);//recursive here
   popMatrix();
   
   pushMatrix();
   rotate(angle);
   line(0, 0, 0, -h);
   ellipse(0, -h, circleW, circleW);
   translate(0, -h);
   branch(h);//recursive here
   popMatrix();
   pushMatrix();
   rotate(-angle);
   line(0, 0, 0, -h);
   ellipse(0, -h, circleW, circleW);
   translate(0, -h);
   branch(h);//recursive here
   popMatrix();
   
   pushMatrix();
   rotate(-angle*2);
   line(0, 0, 0, -h);
   ellipse(0, -h, circleW, circleW);
   translate(0, -h);
   branch(h);//recursive here
   popMatrix();
 }
}
//*/


//Koch
/* 
void setup() {
  size(300, 300);
  translate(45, 85);
  background(55);
  stroke(255);
  noFill();
 
  String str = "F-F+F-F";
  float l = 70;
 
  for (int i=0; i<5; i++) {
    String temp = "";
    for (int j=0; j<str.length (); j++) {
      char c = str.charAt(j);
      if (c == 'F') {
        temp += "F-F+F-F";
      } else {
        temp += c;
      }
    }
    str = temp;
    l /= 3;
  }
 
  for (int i=0; i<3; i++) {
    for (int j=0; j<str.length (); j++) {
      char c = str.charAt(j);
      if (c == 'F') {
        line(0, 0, l, 0);
        translate(l, 0);
      } else if (c == '-') {
        rotate(-PI/3);
      } else if (c == '+') {
        rotate(TWO_PI/3);
      }
    }
    rotate(TWO_PI/3);
  }
}
*/
</code>
</pre>