b2

/*

  Moving rotating square

 */

​

// rotation angle

float angle= PI/3.0;

int move= 100;

​

void setup() {

  size(500, 500);

  // Decrease framerate for better visual outcome

  frameRate(10);

}

​

void draw() {

  // Draw only the current square

  background(255);

  //Moving zero-coordinate point

  translate(move, move);

  // rotate the rectangle

  rotate(angle);

  // draw the rectangle

  rect(26, 26, 52, 52);

  // Increase the angle for the next rectangle

  angle++;

  // Move the center the circle

  move++;

}

​

​

​