/**
xmas-tree planet - The day 17 door for my 2010 Advent calendar
<br>
by <a href="http://www.local-guru.net/blog/">Guru</a>
*/

void setup() {
  size(300,300);
  smooth();
  noLoop();
}

void draw() {
  background(0);
  
  for( int i=0; i < 12; i++ ) {
    pushMatrix();
    translate( 150,150 );
    rotate(radians(30 * i));
    translate(0, -50);
    float s = random( 0.3, 1 );
    scale(s,s);
    tree();
    popMatrix();
  }
  strokeWeight(2);
  stroke(255);
  fill(255);
  ellipse( 150,150,100,100 );

  
  
}

void tree() {
  strokeWeight(8);
  stroke(255, 128, 0);
  line( 0, 0, 0, -15 );
  noStroke();
  fill(0, 128, 0 );
  beginShape();
  vertex( 0,-80 );
  vertex( -20, -15 );
  vertex( 20, -15 );
  endShape( CLOSE );

  ellipseMode( CENTER );  
  for( int i = 0; i < 4; i++) {
    fill(255,0,0);
    float y = random( 50 );
    float x = random( -20 * y / 65.0,  20 * y / 65.0 ) ;
    ellipse( x, -65+y, 10, 10 );
  }
  fill( 255,255,0);
  ellipse( 0, -80, 10, 10 );
}