// Metodo de inserção aleatoria de tipo e rua dos obstaculos
public void spawnNewObstacle(GraphicsDevice device, List <Obstacles> obstacles, List <float> validLines, float aceleretionToRigth, float acelerationToLeft)
{
Obstacles cart;
// Seleciona aleatoriamente um tipo de carroça
int typeOfCart = random.Next(Constants.beginType, Constants.endType);
switch (typeOfCart)
{
case 1:
cart = new Obstacles(device, Constants.redCartSprites, scale);
break;
case 2:
cart = new Obstacles(device, Constants.greenCartSprites, scale);
break;
default:
cart = new Obstacles(device, Constants.purpleCartSprites, scale);
break;
}
int streeat = random.Next(Constants.beginStreat, Constants.endStreat);
//Seleciona aleatoriamente uma rua para a coarroça
// Cuida pra não por duas carroças seguidas na mesma rua
if (lastInserts.Count != Constants.zero)
{
while (lastInserts[lastInserts.Count - Constants.one] == streeat)
{
streeat = random.Next(Constants.beginStreat, Constants.endStreat);
}
}
cart.setStreat(streeat);
cart.setY(validLines[streeat - Constants.one]);
if (streeat % Constants.two != Constants.zero)
{
cart.setX(streeLeftLimit);
cart.setDx((float)(aceleretionToRigth * (Constants.acelerationFactor * (streeat + Constants.two))));
cart.setAngle(Constants.angleObstacleToRigth);
}
else
{
cart.setX(streeRigthLimit);
cart.setDx((float)(acelerationToLeft * (Constants.acelerationFactor * (streeat + Constants.two))));
cart.setAngle(Constants.angleObstacleToLeft);
}
if (validLines.Contains(cart.getY()))
{
lastInserts.Add(streeat);
obstacles.Add(cart);
}
}
// Metodo que realiza a troca de pista de um determinado obstaculo de forma aleatoria
private void changeStreet(List <Obstacles> obstacles, List <float> validLines, float aceleretionToRigth, float acelerationToLeft)
{
int limit = obstacles.Count;
if (limit > Constants.lessNumberToChangeStreat)
{
int position = random.Next(Constants.beginStreat, limit);
int streeat = random.Next(Constants.beginStreat, Constants.endStreat);
Obstacles obstacle = obstacles[position];
int originalstreat = obstacle.getStreat();
float originalY = obstacle.getY();
float originalDx = obstacle.getDx();
float originalAngle = obstacle.getAngle();
while (obstacle.getStreat() == streeat)
{
streeat = random.Next(Constants.beginStreat, Constants.endStreat);
}
obstacle.setStreat(streeat);
obstacle.setY(validLines[streeat - Constants.one]);
if (streeat % 2 != 0)
{
obstacle.setDx((float)(aceleretionToRigth * (Constants.acelerationFactor * (streeat + Constants.two))));
obstacle.setAngle(Constants.angleObstacleToRigth);
}
else
{
obstacle.setDx((float)(acelerationToLeft * (Constants.acelerationFactor * (streeat + Constants.two))));
obstacle.setAngle(Constants.angleObstacleToLeft);
}
if (obstacle.verifyColisionObsttacleWithObstacles(obstacles, position))
{
obstacle.setStreat(originalstreat);
obstacle.setY(originalY);
obstacle.setDx(originalDx);
obstacle.setAngle(originalAngle);
}
}
}