/// <summary>
/// Gera duas respostas falsas para serem apresentadas juntamente da correta
/// </summary>
private void CreateAnswers()
{
chanceToSpawnCorrectAnswer = 0.1;
correctAnswerSpawned = false;
correctAnswer = null;
this.answers = new Answer[3];
for (int i = 0; i < 3; i++)
{
if (PublicRandom.NextDouble() > chanceToSpawnCorrectAnswer || correctAnswerSpawned)
{
this.answers[i] = AnswerFactory.CreateAnswer((Renderer3D)Renderer, CollidableObjects, question, currentAnswerIndex, false, answers);
}
else
{
correctAnswerSpawned = true;
this.answers[i] = AnswerFactory.CreateAnswer((Renderer3D)Renderer, CollidableObjects, question, currentAnswerIndex, true, answers);
correctAnswer = this.answers[i];
}
}
//se o jogador não recebeu 1 ponto de graça, então somamos 1 ao valor da questão atual
if (!pityPoint)
{
currentAnswerValue += 1;
}
pityPoint = false;
}
private Texture2D GetRandomPropTexture(out float baseScale, double max = 1.0)
{
baseScale = 0;
Texture2D tex;
switch (GetRandomPropType(max))
{
case PropType.CACTUS:
tex = cactus[PublicRandom.Next(cactus.Length)];
baseScale = (float)PublicRandom.NextDouble(0.5);
break;
case PropType.GRASS:
tex = grass[PublicRandom.Next(grass.Length)];
baseScale = (float)PublicRandom.NextDouble(0.1, 0.4);
break;
case PropType.ROCK:
tex = rock[PublicRandom.Next(rock.Length)];
baseScale = (float)PublicRandom.NextDouble(0.1, 0.75);
break;
case PropType.TREE:
tex = tree[PublicRandom.Next(tree.Length)];
baseScale = (float)PublicRandom.NextDouble(0.5) + PublicRandom.Next(1, 3) + PublicRandom.Next(2);
break;
default:
tex = null;
break;
}
return(tex);
}
public Answer(Renderer3D renderer, IEnumerable <CollidableGameObject> collidableObjects, string text)
: base(renderer, collidableObjects)
{
this.text = text;
//"gravidade"
VariableMovementComponent vmc =
new VariableMovementComponent(this, 30,
Vector3.Down / 1000 * (float)PublicRandom.NextDouble(0.01f),
Vector3.Down / 100);
vmc.LowerVelocityThreshold = Vector3.Down / 4;
addComponent(vmc);
}
/// <summary>
/// Altera o texto de uma resposta.
/// </summary>
/// <param name="a">A resposta que terá seu texto alterado.</param>
private void ChangeAnswer(Answer a)
{
string text;
double bonusLottery = PublicRandom.NextDouble();
if (correctAnswerSpawned || (PublicRandom.NextDouble() > chanceToSpawnCorrectAnswer && fakeSpawnCount < maxFakeSpawnCount || (bonusLottery > bonusChance && !bonusSpawned))) //alterar a resposta para alguma outra incorreta
{
if (!bonusSpawned && bonusLottery <= bonusChance && !correctAnswerSpawned && bonusCount < 3)
{
text = "+1";
a.IsBonus = true;
bonusSpawned = true;
bonusCount++;
}
else
{
text = IncorrectAnswer();
a.IsBonus = false;
bonusSpawned = false;
}
//se a resposta sendo alterada for a correta, avisar o sistema para que uma nova resposta correta possa ser gerada futuramente
if (correctAnswer != null && a.Equals(correctAnswer))
{
correctAnswerSpawned = false;
correctAnswer = null;
}
chanceToSpawnCorrectAnswer *= 3; //triplica a chance de "spawnar" a resposta correta na próxima vez
fakeSpawnCount++;
}
else //alterar a resposta para a resposta correta
{
a.IsBonus = false;
bonusSpawned = false;
text = CorrectAnswer();
chanceToSpawnCorrectAnswer = 0.1;
fakeSpawnCount = 0;
bonusCount = 0;
correctAnswerSpawned = true;
this.correctAnswer = a;
}
a.Text = text;
}
private PropType GetRandomPropType(double max = 1.0)
{
double rdn = PublicRandom.NextDouble(0, max);
PropType type = PropType.NONE;
if (rdn < propsWeight[0])
{
type = PropType.TREE;
}
else if (rdn < propsWeight[1])
{
type = PropType.CACTUS;
}
else if (rdn < propsWeight[2])
{
type = PropType.GRASS;
}
else if (rdn < propsWeight[3])
{
type = PropType.ROCK;
}
return(type);
}
/// <summary>
/// Move uma resposta no eixo Z por um valor aleatório entre 3 e 5.
/// </summary>
/// <param name="a">A resposta a ser movida.</param>
public void MoveAnswer(Answer a)
{
float newZ = player.Position.Z + PublicRandom.Next(4, 7);
bool usableZ = false;
int tries = 0;
do
{
newZ += (float)PublicRandom.NextDouble(0.25);
foreach (Answer answer in answers)
{
usableZ = (answer.Position.Z >= newZ + minAnswerDistance || answer.Position.Z <= newZ - minAnswerDistance);
if (!usableZ)
{
break;
}
}
tries++;
} while (!usableZ && tries < 50);
a.Position = new Vector3(a.Position.X, PublicRandom.Next(3, 5), newZ);
a.Visible = false;
ChangeAnswer(a);
}
private void KickBall()
{
Vector3 kickDeviation = Vector3.Zero;
if (!makeGoal)
{
kickDeviation.Y = (float)PublicRandom.NextDouble(0, 0.2);
if (PublicRandom.NextDouble() > 0.5)
{
kickDeviation.Y *= -1;
}
kickDeviation.Z = -(float)PublicRandom.NextDouble(0.15, 0.25);
kickDeviation.X = -(float)PublicRandom.NextDouble(0, 0.1);
if (PublicRandom.NextDouble() > 0.5)
{
kickDeviation.X *= -1;
}
}
ball.Position = ball.Position * (Vector3.UnitX + Vector3.UnitZ);
ball.Kick2(new Vector3(0, 0.4f, 0.3f) + kickDeviation, new Vector3(-kickDeviation.X / 1000, -0.05f, -0.0005f), Vector3.Zero);
}