hpbd20110918

float x0, y0, x1, y1, x2, y2;

float X, Y;

​

// in rads

float ang0, ang1, ang2;

​

float INC0 = 0.1 * 2;

float INC1 = 0.1 * 2;

float INC2 = 0.1 * 2;

​

float RAIO = 120;

boolean drawOut = true;

​

float rand0;

​

void setup() {

  size(500, 500);

  smooth();

  frameRate(20);

  background(110);

  ang0 = ang1 = ang2 = 0;

  X = width/2;

  Y = height/2;

  fill(255, 111, 111,200);

  rand0 = random(10, 30);

}

​

​

void draw() {

  x0 = cos(ang0) * RAIO + X;

  y0 = sin(ang0) * RAIO + Y;

​

  x1 = cos(ang1-rand0) * RAIO/2 + X+rand0;

  y1 = sin(ang1-rand0) * RAIO/2 + Y+rand0;

​

  x2 = cos(ang2) * RAIO + X;

  y2 = sin(ang2) * RAIO + Y;

​

  triangle(X, Y, x1, y1, x2, y2);

​

  ang0 += INC0;

  if ((ang0 >= (TWO_PI+PI)) || (ang0 <= 0)) {

    ang0 = 0;

    if (drawOut == true) {

      drawOut = false;

      RAIO = RAIO/3;

      stroke(20);

      fill(204, 20, 20, 120);

    }

    else {

      X = random(20, width-20);

      Y = random(20, height-20);

      RAIO = random(100, 150);

      stroke(20);

      fill(255, 111, 111, 200);

      rand0 = random(10, 30);

      drawOut = true;

    }

  }

​

  ang1 += INC1;

  if ((ang1 >= TWO_PI) || (ang1 <= 0)) {

    ang1 = 0;

  }

​

  ang2 += INC2;

  if ((ang2 >= TWO_PI) || (ang2 <= 0)) {

    ang2 = 0;

  }

}