/// <summary>
/// Create new math challenge
/// </summary>
/// <returns>Return a new math challenge</returns>
public MathProblem CreateProblem()
{
this.number1 = Randomize.GenerateRandomNumber();
this.number2 = Randomize.GenerateRandomNumber();
this.operation = Randomize.GenerateRandomOperation();
this.expression = $"{number1} {GetSymbol(this.operation)} {number2}";
this.result = GetResult(this.operation, this.number1, this.number2, true);
this.possibleResult = GetResult(this.operation, this.number1, this.number2, Randomize.GenerateRandomBoolean());
this.isAnswered = false;
this.playersInMatch = _IScore.GetScore().Select(x => x.playerName).ToList();
return(this);
}
/// <summary>
/// Calculate the result of an expression
/// </summary>
/// <param name="operation"></param>
/// <param name="number1"></param>
/// <param name="number2"></param>
/// <param name="matchResult">True: Result will be exact, False: Result can be differente of the real result</param>
/// <returns></returns>
public float GetResult(OperationsEnum operation, int number1, int number2, bool matchResult)
{
switch (operation)
{
case OperationsEnum.Addition:
return(matchResult == true ? number1 + number2 : Randomize.GenerateRandomNumber() + Randomize.GenerateRandomNumber());
case OperationsEnum.Subtraction:
return(matchResult == true ? number1 - number2 : Randomize.GenerateRandomNumber() - Randomize.GenerateRandomNumber());
case OperationsEnum.Multiplication:
return(matchResult == true ? number1 * number2 : Randomize.GenerateRandomNumber() *Randomize.GenerateRandomNumber());
case OperationsEnum.Division:
return(matchResult == true ? number1 / number2 : Randomize.GenerateRandomNumber() / Randomize.GenerateRandomNumber());
}
return(0f);
}
