void GameMap::tagObstaclesWithinViewRange(BaseGameEntity* const entity, double range)
{
tagNeighbors(entity, _collision_areas, range);
}
Vec2 SteeringForce::Calculate()
{
m_vSteeringForce = Vec2::ZERO;
Vec2 force;
std::vector<Vehicle*> neighbors;
if (On(allignment)||On(separation)||On(cohesion)) {
if (m_pVehicle->isCellSpaceOn()) {
CellSpacePartition<Vehicle*>* cellSpace = GameData::Instance()->getCellSpace();
neighbors = cellSpace->getNeighbors();
}else{
auto data = GameData::Instance()->getEntityVector();
neighbors = tagNeighbors(m_pVehicle,data,SearchRad);
}
}
if (On(wall_avoidance)) {
auto data = GameData::Instance()->getWallls();
force = WallAvoidance(data);
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(obstacle_avoidance)) {
auto data = GameData::Instance()->getObstacle();
force = ObstacleAvoidance(data);
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(separation)) {
force = Separation(neighbors);
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(cohesion)) {
force = Cohesion(neighbors);
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(allignment)) {
force = Alignment(neighbors);
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(hide)) {
CCASSERT(m_pVehicle->getHideTarget()!=nullptr, "不存在躲避目标");
auto data = GameData::Instance()->getEntityVector();
force = Hide(m_pVehicle->getHideTarget(),data);
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(follow_path)) {
force = PathFollow();
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(seek)) {
force = Seek(m_pVehicle->getTarget());
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(flee)) {
force = Flee(m_pVehicle->getTarget());
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(arrive)) {
force = Arrive(m_pVehicle->getTarget(), fast);
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(offset_pursuit)) {
force = OffsetPursuit(m_pVehicle->getLeader(), m_pVehicle->getOffsetToLeader());
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(pursuit)) {
force = Pursuit(m_pVehicle->getEvaderv());
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(evade)) {
force = Evade(m_pVehicle->getPursuer());
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(wander)) {
force = Wander();
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
if (On(interpose)) {
force = Interpose(m_pVehicle->getInterposeA(), m_pVehicle->getInterposeB());
if (!AccumulateForce(m_vSteeringForce, force)) {
return m_vSteeringForce;
}
}
return m_vSteeringForce;
}