getAbsoluteValue method

double getAbsoluteValue(Size size)

Implementation

double getAbsoluteValue(Size size) {
  double relativeAngle = relativeDependent;
  //if ERelative is absolute return the value
  if (relativeAngle == -1) {
    return relative;
  }
  //get Vector that goes from on corner of the scene to the corner at the other end (diagonally)
  EVector2D sizeVct = EVector2D(size.width, size.height);
  double firstAngle = sizeVct.getAngle(EVector2D(1, 0)) * (180 / pi);
  double thirdAngle = 90 + firstAngle;

  //subdivide the rect into 4 rectangles
  //First is fom Vector(1,0) to top right corner
  //Second is from top right corner to Vector(0,1)
  //Third is from top Vector(0,1) to top left corner
  //Fourth is from top left corner to Vector(-1,0)
  //calculate maximum of length of Vector provided by relativeAngle => the angle that the value is relative to,
  //by checking in which rectangle it is and using math.cos()
  //convert degrees to radians by multiplying it with (pi / 180)
  if (relativeAngle <= firstAngle) {
    return relative * size.width / (cos(relativeAngle * (pi / 180)));
  } else if (relativeAngle <= 90) {
    return relative * size.height / (cos((90 - relativeAngle) * (pi / 180)));
  } else if (relativeAngle <= thirdAngle) {
    return relative *
        size.height /
        (cos((thirdAngle - relativeAngle) * (pi / 180)));
  } else if (relativeAngle <= 180) {
    return relative * size.width / (cos((180 - relativeAngle) * (pi / 180)));
  }
  return 0;
}