四角形の輪
/** * circle of rectangles * * @author aa_debdeb * @date 2016/04/09 */ void setup(){ size(500, 500); fill(255, 50); stroke(255); strokeWeight(1); rectMode(CENTER); } void draw(){ background(0); translate(width / 2, height / 2); rotate(frameCount * 0.03); float size = map(sin(frameCount * 0.01), -1, 1, 3, 100); for(float angle = 0; angle < 360; angle += 5){ float radian = radians(angle); rect(100 * cos(radian), 100 * sin(radian), size, size); } }