/// <summary>
/// Builds the question drawing.
/// </summary>
/// <param name="graphics">The calling form graphics.</param>
/// <param name="containerWidth">The container width.</param>
/// <param name="containerHeight">The container height.</param>
public override void BuildDrawing(Graphics graphics, int containerWidth, int containerHeight)
{
for (int i = 0; i < Answers.Length; i++)
{
Polygon3D polygon = (Polygon3D)Answers[i];
int subContainerWidth = containerWidth / Answers.Length;
int x = i * subContainerWidth + subContainerWidth / 2;
polygon.Draw(graphics, x, 300, 5);
}
}
/// <summary>
/// Builds the question, setting the possible answers and the good answer, depending on the difficulty.
/// </summary>
/// <param name="difficulty">The exercice difficulty.</param>
/// <param name="random">The exercice random number generator.</param>
public override void Build(ExerciceDifficulty difficulty, Random random)
{
decimal maximum = 0;
decimal minimum = decimal.MaxValue;
Answers = new Polygon3D[random.Next(3, PossiblePolygons.Length + 1)];
for (int i = 0; i < Answers.Length; i++)
{
Polygon3D polygon = (Polygon3D)Activator.CreateInstance(PossiblePolygons[random.Next(0, PossiblePolygons.Length)], random);
polygon.Name += string.Format(" {0}", i);
decimal volume = (decimal)polygon.ComputeVolume();
switch (Type)
{
case QuestionVolumeType.Maximum:
if (maximum < volume)
{
maximum = volume;
Answer = i;
}
break;
case QuestionVolumeType.Minimum:
if (minimum > volume)
{
minimum = volume;
Answer = i;
}
break;
}
Answers[i] = polygon;
}
GenerateTitle();
}
