//-----------------------------------------------------------------------------------------------------------------------------------
bool GameObject::CheckCollisionWithObjects(const std::list<GameObject*>& collisionObjects)
{
if (!GetCollider() || m_noCollisions)
{
return false;
}
for (GameObject* gameObject : collisionObjects)
{
if (gameObject == this)
{
continue;
}
// Check distance away from object before doing proper collision detection
if (Vector2::DistanceSquared(GetWorldPosition(), gameObject->GetWorldPosition()) >= (GetSize() * 0.5f).LengthSquared() + (gameObject->GetSize() * 0.5f).LengthSquared())
{
continue;
}
if (GetCollider()->CheckCollisionWith(gameObject->GetCollider()))
{
OnCollision();
return true;
}
}
return false;
}
/// 毎フレーム呼ぶ関数 更新が必要な関数
void CPlayerAttack::Update()
{
PushKey();
Create();
OnCollision();
}
void EffectSystem::Update(float _dt)
{
/*
If currentTime is >= then maxTime, reset to 0, else add _dt
*/
m_currentTime = m_currentTime >= m_maxTime ? 0 : m_currentTime + _dt;
// Go through all entites
for (auto entityPair : m_entityMap)
{
Entity* e = entityPair.second;
m_flags = e->GetComponent<EffectComponent>()->m_effects;
// OnEveryFrame
OnEveryFrame(e, _dt);
// OneEverySecond
if (m_currentTime >= m_maxTime)
OnEverySecond(e, _dt);
// OnCollision
auto collide = e->GetComponent<CollisionComponent>();
if (collide)
{
if (collide->GetCollisions().size() > 0)
OnCollision(e, _dt);
}
}
UpdateEffects(_dt);
}
void Entity::PhysicsUpdate(Octree* octree, double deltaTime)
{
auto& instancesToCheck = octree->nearbyObjects(this);
for (auto obj : instancesToCheck)
{
if (obj == this || frameCollisions.find(this->GetID()) != frameCollisions.end())
continue;
if (this->collisionTest != ObjectType::Default && this->collisionTest != obj->GetType())
continue;
checkCount++;
std::shared_ptr<Collision> collision = obj->GetCollider()->IsColliding(this->collider);
if (collision != nullptr) {
collision->collider1 = obj;
collision->collider2 = this;
}
AddFrameCollision(obj->GetID(), collision);
obj->AddFrameCollision(GetID(), collision);
if (collision != nullptr && collision->colliding) {
OnCollision(collision->GetEvent(this));
obj->OnCollision(collision->GetEvent(obj));
}
}
frameCollisions.clear();
velocity += acceleration * static_cast<float>(deltaTime);
lastPosition = GetPosition();
Translate(velocity * static_cast<float>(deltaTime));
acceleration = vector3(0.0f, 0.0f, 0.0f);
}
void CEnemyTurtleFly::Update(float deltaTime)
{
MoveUpdate(deltaTime);
SetFrame(deltaTime);
ChangeFrame(deltaTime);
OnCollision(deltaTime);
}
void CTatteredId::Update()
{
if (state != State::None)
{
anime->Update();
move->Update();
task->GetComponent<CTatteredIdAttack>(CEnemyManager::TatteredIdAttack, 0)->Update();
}
OnCollision();
}
/// 更新
void CPatroller::Update()
{
if (state != State::None)
{
anime->Update();
move->Update();
OnCollision();
task->GetComponent<CPatrollerAttack>(CEnemyManager::PatrollerAttack,0)->Update();
}
}
void CBoidObject::OnEntityEvent( SEntityEvent &event )
{
switch (event.event)
{
case ENTITY_EVENT_DONE:
m_entity = 0;
m_object = 0;
m_pPhysics = 0;
break;
case ENTITY_EVENT_COLLISION:
OnCollision(event);
break;
}
}
void CEnemyTurtle::Update(float deltaTime)
{
ChangeFrame(deltaTime);
SetFrame(deltaTime);
MoveUpdate(deltaTime);
OnCollision(deltaTime);
if (this->m_isLife)
{
if (CCollision::GetInstance()->Collision(CMarioObject::GetInstance(), this))
{
CMarioObject::GetInstance()->m_status = STATUS::DIE;
CMarioObject::GetInstance()->m_vy = 120;
}
}
}
void ModulePhysics::BeginContact(b2Contact* contact)
{
LOG("Collision");
PhysBody* pb1 = (PhysBody*)contact->GetFixtureA()->GetBody()->GetUserData();
PhysBody* pb2 = (PhysBody*)contact->GetFixtureB()->GetBody()->GetUserData();
LOG("PB1: %s", pb1/*->GetPosition()*/);
LOG("PB2: %s", pb2);
// if (pb1 != NULL && pb2 != NULL)
{
OnCollision(pb1, pb2);
}
}
void GameWorld::BeginContact(b2Contact *contact)
{
b2Body* body_a = contact->GetFixtureA()->GetBody();
b2Body* body_b = contact->GetFixtureB()->GetBody();
// only need to observe collisions that involve GameObjects
if(body_a->GetUserData() == NULL || body_b->GetUserData() == NULL)
{
return;
}
// identify type of the objects involved in the collision
EGameObjectType game_object_a_type = ((GameObject*)body_a->GetUserData())->GetType();
EGameObjectType game_object_b_type = ((GameObject*)body_b->GetUserData())->GetType();
// if a collision did not involve the clown, it will be ignored
if(game_object_a_type != E_GAME_OBJECT_CLOWN && game_object_b_type != E_GAME_OBJECT_CLOWN)
return;
// separate the clown and the other object
GameObject* other_object = (game_object_a_type != E_GAME_OBJECT_CLOWN) ? (GameObject*)body_a->GetUserData() : (GameObject*)body_b->GetUserData();
// based on type, call appropriate collision response function
switch(other_object->GetType())
{
case E_GAME_OBJECT_PLATFORM:
if(other_object == base_platform_)
{
DoBasePlatformCollision();
}
else
{
OnCollision(contact->GetManifold()->localNormal);
}
break;
case E_GAME_OBJECT_COLLECTIBLE:
case E_GAME_OBJECT_ROCKET:
case E_GAME_OBJECT_BALLOON:
((Collectible*)other_object)->OnCollision();
break;
}
}
void SgObjectManager::DetectCollisions()
{
for(int i=0; i<m_dwMaxObjects; i++)
{
if(m_ppObject[i]!=NULL)
{
for(int j=i+1; j<m_dwMaxObjects; j++)
{
if( NULL == m_ppObject[j] )continue;
//here overloaded function should do
//appropriate action depending on type
//of collision.
switch(DetectCollision(m_ppObject[i], m_ppObject[j]))
{
case CT_STDCLSN:
OnCollision( m_ppObject[i] , m_ppObject[j] );
break;
default:
break;
}
}
}
}
}
//! checks collision with another component
void RigidBodyComponent::CheckCollisions(CollisionComponent* pOther)
{
if(RigidBodyComponent* pOtherRigidBody = DYNAMIC_CAST(pOther, RigidBodyComponent))
{
std::vector<CollisionShape::CollisionInfo> infos;
Entity3D* pParent = static_cast<Entity3D*>(GetParent());
Entity3D* pOtherParent = static_cast<Entity3D*>(pOther->GetParent());
CollisionShapeTransform component1Transform(pParent->GetTransformationMatrix(), pParent->GetAbsoluteScale());
CollisionShapeTransform component2Transform(pOtherParent->GetTransformationMatrix(), pOtherParent->GetAbsoluteScale());
for(u32 i=0; i<GetShapeCount(); ++i)
{
if(CollisionShape* pShape1 = GetShape(i))
{
for(u32 j=0; j<pOtherRigidBody->GetShapeCount(); ++j)
{
if(CollisionShape* pShape2 = pOtherRigidBody->GetShape(j))
{
CollisionShape::CollisionInfo info;
if(pShape1->CollidesWith(pShape2, component1Transform, component2Transform, info))
{
infos.push_back(info);
}
}
}
}
}
if(!infos.empty())
{
OnCollision(pOther, infos);
pOther->OnCollision(this, infos);
}
}
}
static void hitCallback(CollisionContact *c)
{
//printf("OUCH! %x (depth %f)\n", SDL_GetTicks(), c->depth);
Object *po1 = static_cast<Object*>(c->userData1);
Object *po2 = static_cast<Object*>(c->userData2);
const bool po1_isDynBody = po1->IsType(Object::DYNAMICBODY);
const bool po2_isDynBody = po2->IsType(Object::DYNAMICBODY);
// collision response
assert(po1_isDynBody || po2_isDynBody);
if (po1_isDynBody && po2_isDynBody) {
DynamicBody *b1 = static_cast<DynamicBody*>(po1);
DynamicBody *b2 = static_cast<DynamicBody*>(po2);
const vector3d linVel1 = b1->GetVelocity();
const vector3d linVel2 = b2->GetVelocity();
const vector3d angVel1 = b1->GetAngVelocity();
const vector3d angVel2 = b2->GetAngVelocity();
const double coeff_rest = 0.5;
// step back
// mover->UndoTimestep();
const double invMass1 = 1.0 / b1->GetMass();
const double invMass2 = 1.0 / b2->GetMass();
const vector3d hitPos1 = c->pos - b1->GetPosition();
const vector3d hitPos2 = c->pos - b2->GetPosition();
const vector3d hitVel1 = linVel1 + angVel1.Cross(hitPos1);
const vector3d hitVel2 = linVel2 + angVel2.Cross(hitPos2);
const double relVel = (hitVel1 - hitVel2).Dot(c->normal);
// moving away so no collision
if (relVel > 0) return;
if (!OnCollision(po1, po2, c, -relVel)) return;
const double invAngInert1 = 1.0 / b1->GetAngularInertia();
const double invAngInert2 = 1.0 / b2->GetAngularInertia();
const double numerator = -(1.0 + coeff_rest) * relVel;
const double term1 = invMass1;
const double term2 = invMass2;
const double term3 = c->normal.Dot((hitPos1.Cross(c->normal)*invAngInert1).Cross(hitPos1));
const double term4 = c->normal.Dot((hitPos2.Cross(c->normal)*invAngInert2).Cross(hitPos2));
const double j = numerator / (term1 + term2 + term3 + term4);
const vector3d force = j * c->normal;
b1->SetVelocity(linVel1 + force*invMass1);
b1->SetAngVelocity(angVel1 + hitPos1.Cross(force)*invAngInert1);
b2->SetVelocity(linVel2 - force*invMass2);
b2->SetAngVelocity(angVel2 - hitPos2.Cross(force)*invAngInert2);
} else {
// one body is static
vector3d hitNormal;
DynamicBody *mover;
if (po1_isDynBody) {
mover = static_cast<DynamicBody*>(po1);
hitNormal = c->normal;
} else {
mover = static_cast<DynamicBody*>(po2);
hitNormal = -c->normal;
}
const double coeff_rest = 0.5;
const vector3d linVel1 = mover->GetVelocity();
const vector3d angVel1 = mover->GetAngVelocity();
// step back
// mover->UndoTimestep();
const double invMass1 = 1.0 / mover->GetMass();
const vector3d hitPos1 = c->pos - mover->GetPosition();
const vector3d hitVel1 = linVel1 + angVel1.Cross(hitPos1);
const double relVel = hitVel1.Dot(c->normal);
// moving away so no collision
if (relVel > 0 && !c->geomFlag) return;
if (!OnCollision(po1, po2, c, -relVel)) return;
const double invAngInert = 1.0 / mover->GetAngularInertia();
const double numerator = -(1.0 + coeff_rest) * relVel;
const double term1 = invMass1;
const double term3 = c->normal.Dot((hitPos1.Cross(c->normal)*invAngInert).Cross(hitPos1));
const double j = numerator / (term1 + term3);
const vector3d force = j * c->normal;
mover->SetVelocity(linVel1 + force*invMass1);
mover->SetAngVelocity(angVel1 + hitPos1.Cross(force)*invAngInert);
}
}
void CGoblin::Update()
{
//move->Update();
OnCollision();
}
