void angleGather(float x, float y, float angle, float armLength) {
  arduino.digitalWrite(right, arduino.HIGH);
  
      noFill();
      strokeWeight(20);                              // Controls thickness of blue border
      stroke(color(0, 0, 127));
      beginShape();                                  // Draws shape
      vertex(convertXCoord(x + armLength*cos(angle*PI/360)), convertYCoord(y + armLength*sin(angle*PI/360)));
      vertex(convertXCoord(x), convertYCoord(y));
      vertex(convertXCoord(x + armLength*cos(angle*PI/360)), convertYCoord(y - armLength*sin(angle*PI/360)));
      endShape();
}