void MetalineEnemy::moveMetalineEnemy()
{
updateActionState();
if (actionState == DEFAULT_ACTION_STATE)
{
}
else if (actionState == PLAYER_DETECTED_ACTION_STATE)
{
if (!hasCollided)
{
GameState *gs = GameState::GetInstance();
Vector3f playerPos = gs->GetPlayerPosition();
Vertex newDirection;
newDirection.x = playerPos(0) - this->center.x;
newDirection.y = playerPos(1) - this->center.y;
newDirection.z = playerPos(2) - this->center.z;
normalize(newDirection);
this->velocity = Vec3f(newDirection.x * this->speed, newDirection.y * this->speed,
newDirection.z * this->speed);
}
}
else if (actionState == SOUND_DETECTED_ACTION_STATE)
{
//Move Toward Sound TODO
}
this->center.x = this->center.x + (this->velocity)[0];
this->center.y = this->center.y + (this->velocity)[1];
this->center.z = this->center.z + (this->velocity)[2];
}
bool MetalineEnemy::isPlayerVisible()
{
GameState *gs = GameState::GetInstance();
GameRoom *gr = gs->GetRoom();
vector<GameObject *> gobjs = gr->GetGameObjects();
vector<GamePlayer *> players = gr->GetPlayers();
int objSize = gobjs.size();
int playerSize = players.size();
Vector3f playerPos = gs->GetPlayerPosition();
Vertex playerDir;
playerDir.x = playerPos(0) - this->center.x;
playerDir.y = playerPos(1) - this->center.y;
playerDir.z = playerPos(2) - this->center.z;
float length = (playerDir.x * playerDir.x) + (playerDir.y * playerDir.y) + (playerDir.z * playerDir.z);
float xIntervalFraction = playerDir.x / NUM_RAY_TRACE_INTERVALS;
float yIntervalFraction = playerDir.y / NUM_RAY_TRACE_INTERVALS;
float zIntervalFraction = playerDir.z / NUM_RAY_TRACE_INTERVALS;
float radiusSquared = this->radius * this->radius;
for (int i = 0; i < NUM_RAY_TRACE_INTERVALS; i++)
{
Vec3f v = Vec3f(this->center.x + playerDir.x * xIntervalFraction,
this->center.y + playerDir.y * yIntervalFraction,
this->center.z + playerDir.z * zIntervalFraction);
for (int j; j < playerSize; j++)
{
GamePlayer *player = players[j];
if (player->IsInBoundingBox(v))
{
return true;
}
}
if ((i * length / NUM_RAY_TRACE_INTERVALS) > radiusSquared)
{
for (int k = 0; k < objSize; k++){
GameObject *obj = gobjs[k];
if (obj->IsInBoundingBox(v))
{
return false;
}
}
}
}
return true;
}
void MetalineEnemy::checkToFire()
{
if (fireCounter >= FIRE_COUNTER_THRESHOLD)
{
GameState *gs = GameState::GetInstance();
Vector3f playerPos = gs->GetPlayerPosition();
Vector3f pCenter(this->center.x, this->center.y, this->center.z);
Vector3f projectileDirection = (playerPos - pCenter).normalized();
Vector3f velocity(projectileDirection(0) * PROJECTILE_SPEED, projectileDirection(1) * PROJECTILE_SPEED,
projectileDirection(2) * PROJECTILE_SPEED);
Projectile *p = new Ball(pCenter, velocity, PROJECTILE_RADIUS);
gs->GetParticleSystems()->AddBullet(p);
fireCounter = 0;
}
else if (fireCounter < FIRE_COUNTER_THRESHOLD)
{
fireCounter++;
}
}