week09

黃色小精靈

嘴吧會動
void setup()
{
  size(600,200);
}
int a=20;
int diff=1;
void draw()
{
  background(0);
  fill(#FAE600);
  arc(50,50,80,80,radians(a),radians(360-a),PIE);
  a+=diff;
  if(a>60)diff=-1;
  if(a<=0)diff=+1;
}