public VariantGenerator(List<TestQuestion> questions, int _numberOfQuestions, bool _mixAnswers)
{
this.questions = questions;
this.NumberOfQuestions = _numberOfQuestions;
this.mixAnswers = _mixAnswers;
int[] set = new int[questions.Count];
for (int i = 0; i < questions.Count; ++i)
set[i] = i;
randomizer = new ArrayRandomizer<int>(new List<int>(set));
}
private TargetData[] generateRandomTargets(int size)
{
float minDistanceOfSeparation = 7.5f; // Minimum Distance of Seperation between the two pairs of targets.
float minDistance = 3.0f; // Minimum distance to the target from the camera.
float maxDistance = 50.0f; // Maximum distance to the target from the camera.
float minAngularSize = 2.5f; // Minimum angular size
float maxAngularSize = 10.0f; // Maximum angular size
size -= 1; // Becausing counting in arrays begins at 0, adjust the count.
// Because the points are generated in pairs, if the size is now odd,
// increase it by one so that the size will be even.
// Size + 1 is used because counting begins at 0 inside of the array
if (size % 2 != 0)
{
size++;
}
// Create the targets
TargetData[] data = new TargetData[size];
for (int i = 0; i < size; i += 2)
{
Debug.Log(string.Format("Target {0} and {1} created.", i, i + 1));
// Create the taget data
float angularSize = Random.Range(minAngularSize, maxAngularSize);
float distance1 = Random.Range(minDistance, maxDistance);
float distance2 = Random.Range(minDistance, maxDistance);
string fileName1 = "Target_" + i.ToString() + ".dat";
string fileName2 = "Target_" + (i + 1).ToString() + ".dat";
// If the targets are within 3 units of one another,
// Recalculate one of the distances until they are
// Farther apart
while (Mathf.Abs(distance1 - distance2) < minDistanceOfSeparation)
{
distance2 = Random.Range(minDistance, maxDistance);
}
// Move the data into the target structs
TargetData targetData1 = new TargetData(angularSize, distance1, fileName1);
TargetData targetData2 = new TargetData(angularSize, distance2, fileName2);
// Save the structs to the output
data[i] = targetData1;
data[i + 1] = targetData2;
}
// Randomize the order so the pairs are not placed directly next to one another
ArrayRandomizer.Randomize(data);
return(data);
}
