!7

p-hideconsole { pMain(SimpleGauge); }

sclass SimpleGauge extends PApplet {

float rotate = (float) -PI/2;

/**
 * Simple Gauge
 * 2016-11-01 Jeremy Douglass Processing 3.2.1
 **/
void settings() { size(200,200); }

void setup(){
  fill(0,0,0,0);
  strokeWeight(20);
  stroke(255,56,0);
}
void draw(){
  background(0);
  arc(200/2, 200/2, 200*0.7f, 200*0.7f, rotate, rotate + (float) ((millis()%4000.0)/4000*TWO_PI),OPEN); 
}

}

Began life as a copy of #1014266