code: public double getTheta() {
  		double theta = StrictMath.toDegrees(StrictMath.atan2(y, x));
  		if ((theta < -360) || (theta > 360)) {
  			theta = theta % 360;
  		}
  		if (theta < 0) {
  			theta = 360 + theta;
  		}
  
  		return theta;
  	}
docs: Get the angle this vector is at
  
  @return The angle this vector is at (in degrees)