public void OnUpdate()
{
float dt = FrameController.DT();
Vector3 turretToPlayer = (Vector3)player.transform.position - (Vector3)gameObject.transform.position;
turretToPlayer.Y = 0.0f;
float turretToPlayerSq = Vector3.Dot(turretToPlayer, turretToPlayer);
if (turretToPlayerSq > radiusOfFire * radiusOfFire)
{
return; // Do not update if player is too far away
}
if (currentState == 0)
{
timerToStayOnGuard -= dt;
if (!playerCamScript.GetIsDead()) // Do not need to update if player is already dead
{
// Check if player is within sights, and not hiding behind a wall
Vector3 turretDir = gameObject.transform.GetForwardVector();
float dotPdt = Vector3.Dot(turretToPlayer, turretDir);
// dotPdt^2 = lengthSq * cos(angle)^2. The smaller the angle, the larger the dot pdt
if ((dotPdt > 0.0f) &&
(dotPdt * dotPdt >= cosAngleArcOfFire * cosAngleArcOfFire * turretToPlayerSq))
{
turretToPlayer.Normalize();
Vector3 turretPos = (Vector3)gameObject.transform.position;
turretPos.Y = 1.0f;
// Raycast towards player and check if he is behind a wall
GameObject wall = PhysicEngine.getInstance().RayCast3DWithTag(
turretPos, turretToPlayer, 10000.0f, "TurretWall");
if (wall == null)
{
mSound.PlayIndependentEvent("Turret_LaserShot.vente", false, 1);
playerCamScript.Kill();
}
}
}
if (timerToStayOnGuard <= 0.0f)
{
timerToRotate = TIME_TO_ROTATE; // Reset the timer
currentState = 1; // Start rotating
// mSound.Play("Turret_Targetting.vente"); //Turret_Rotate.vente");
startAngle = gameObject.transform.rotation.Angles.y; // Save current angle
// Select the angle to rotate to
currAngleIndex = (currAngleIndex + 1 >= angleList.Count) ? 0 : currAngleIndex + 1;
}
}
else // rotating
{
timerToRotate -= dt;
// Tween the turret's rotation to target angle
gameObject.transform.rotation.Angles.y +=
(angleList[currAngleIndex] - startAngle) / TIME_TO_ROTATE * dt;
if (timerToRotate <= 0.0f)
{
gameObject.transform.rotation.Angles.y = angleList[currAngleIndex];
currentState = 0; // Start rotating
timerToStayOnGuard = TIME_TO_ON_GUARD;
}
}
}