static duk_ret_t PhysicsWorld_SetMaxSubSteps_int(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
int steps = (int)duk_require_number(ctx, 0);
thisObj->SetMaxSubSteps(steps);
return 0;
}
void PhysicsHelper::CreateTetrahedron(PhysicsWorld& world)
{
Particle* p0 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p1 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p2 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p3 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
p0->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p1->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p2->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p3->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
world.AddParticle(p0);
world.AddParticle(p1);
world.AddParticle(p2);
world.AddParticle(p3);
Spring* s0 = new Spring(p0, p1, 1.0f);
Spring* s1 = new Spring(p1, p2, 1.0f);
Spring* s2 = new Spring(p2, p3, 1.0f);
Spring* s3 = new Spring(p3, p0, 1.0f);
Spring* s4 = new Spring(p0, p2, 1.0f);
Spring* s5 = new Spring(p1, p3, 1.0f);
world.AddConstraint(s0);
world.AddConstraint(s1);
world.AddConstraint(s2);
world.AddConstraint(s3);
world.AddConstraint(s4);
world.AddConstraint(s5);
}
static duk_ret_t PhysicsWorld_MaxSubSteps(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
int ret = thisObj->MaxSubSteps();
duk_push_number(ctx, ret);
return 1;
}
static duk_ret_t PhysicsWorld_Gravity(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
float3 ret = thisObj->Gravity();
PushValueObjectCopy<float3>(ctx, ret, float3_ID, float3_Finalizer);
return 1;
}
static duk_ret_t PhysicsWorld_SetGravity_float3(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
float3& gravity = *GetCheckedValueObject<float3>(ctx, 0, float3_ID);
thisObj->SetGravity(gravity);
return 0;
}
static duk_ret_t PhysicsWorld_IsDebugGeometryEnabled(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
bool ret = thisObj->IsDebugGeometryEnabled();
duk_push_boolean(ctx, ret);
return 1;
}
static duk_ret_t PhysicsWorld_SetDebugGeometryEnabled_bool(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
bool enable = duk_require_boolean(ctx, 0);
thisObj->SetDebugGeometryEnabled(enable);
return 0;
}
int main()
{
PhysicsWorld world;
auto bigSphereShape = std::make_shared<SphereCollisionShape>(5.0f);
auto smallSphereShape = std::make_shared<SphereCollisionShape>(1.0f);
auto bigSphere = std::make_shared<RigidBody>(bigSphereShape);
bigSphere->transform().setPosition({0, -bigSphereShape->radius(), 0});
bigSphere->setMass(3.0f);
auto smallSphere = std::make_shared<RigidBody>(smallSphereShape);
smallSphere->transform().setPosition({0, 10, 0});
smallSphere->setLinearVelocity({0, -8, 0});
world.addRigidBody(bigSphere);
world.addRigidBody(smallSphere);
for (auto i = 0; i < 2 * 60; i++) {
world.update(0.016f);
std::cout << i << ": SmallBox @ " << smallSphere->transform().position() << "; BigBox @ " << bigSphere->transform().position() << std::endl;
}
return 0;
}
static duk_ret_t PhysicsWorld_SetRunning_bool(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
bool enable = duk_require_boolean(ctx, 0);
thisObj->SetRunning(enable);
return 0;
}
void DeSpawned()
{
// clear constraints
for(unsigned int i = 0; i < constraints.size(); ++i)
{
ConeTwistConstraint* c = constraints[i];
physics->RemoveConstraint(c);
c->Dispose();
delete c;
}
constraints.clear();
// clear rigid bodies
for(unsigned int i = 0; i < rigid_bodies.size(); ++i)
{
RigidBodyInfo* body = rigid_bodies[i];
if(physics != NULL)
physics->RemoveRigidBody(body);
body->DisposePreservingCollisionShape();
delete body;
}
rigid_bodies.clear();
}
void PhysicsBodyObject::SetActive( bool active )
{
if( active == Active() )
return;
rsk::ActiveObject::SetActive( active );
//
// Encapsulate RSKMAP_ITERATE; duplicate them so only what's needed is run
PhysicsWorld* world = gGame->GetWorld();
if( active )
{
RSKMAP_ITERATE_VALUE_NAMED( m_Detectors, slot )
{
if( slot->active )
{
world->AddBody( slot->area.Self() );
CommitDetectorActive( *slot, active );
}
}
return;
}
if( world )
{
RSKMAP_ITERATE_VALUE_NAMED( m_Detectors, slot )
{
CommitDetectorActive( *slot, active );
world->RemoveBody( slot->area->GetID() );
}
return;
}
static duk_ret_t PhysicsWorld_IsClient(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
bool ret = thisObj->IsClient();
duk_push_boolean(ctx, ret);
return 1;
}
static duk_ret_t PhysicsWorld_PhysicsUpdatePeriod(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
float ret = thisObj->PhysicsUpdatePeriod();
duk_push_number(ctx, ret);
return 1;
}
static duk_ret_t PhysicsWorld_SetPhysicsUpdatePeriod_float(duk_context* ctx)
{
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
float updatePeriod = (float)duk_require_number(ctx, 0);
thisObj->SetPhysicsUpdatePeriod(updatePeriod);
return 0;
}
void PhysicsWorld::collisionSeparateCallbackFunc(cpArbiter *arb, cpSpace *space, void *data)
{
PhysicsWorld* world = static_cast<PhysicsWorld*>(data);
PhysicsContact* contact = static_cast<PhysicsContact*>(arb->data);
world->collisionSeparateCallback(*contact);
delete contact;
}
MasterEntity::~MasterEntity()
{
if( gGame.Exists() )
{
PhysicsWorld* world = gGame->GetWorld();
if( world )
world->RemoveEntity( GetEntityID() );
}
}
void PhysicsDrawer::drawWorld(const PhysicsWorld& world)
{
auto lock = world.lockBtWorld();
btDynamicsWorld& btWorld = *const_cast<btDynamicsWorld*>(world.getBtWorld());
btWorld.setDebugDrawer(&m_debugDraw);
btWorld.debugDrawWorld();
}
PhysicsWorld* PhysicsWorld::construct(Scene& scene)
{
PhysicsWorld * world = new PhysicsWorld();
if(world && world->init(scene))
{
return world;
}
CC_SAFE_DELETE(world);
return nullptr;
}
Scene* HelloGravity::createScene() {
auto scene = Scene::createWithPhysics();
PhysicsWorld* world = scene->getPhysicsWorld();
world->setGravity(Vec2(0, -500));
world->setSpeed(1.0f);
world->setDebugDrawMask(PhysicsWorld::DEBUGDRAW_ALL);
auto layer = HelloGravity::create();
scene->addChild(layer);
return scene;
}
bool TMenu::init()
{
Layer::init();
Menu * menu = Menu::create();
addChild(menu);
for (int i = 0; i < sizeof(title) / sizeof(*title); ++i)
{
MenuItemFont * item = MenuItemFont::create(title[i], [](Ref * sender){
MenuItem * item = (MenuItem *)sender;
int i = item->getTag() - 1000;
Layer * l = NULL;
if (title[i] == "T01CPP11") l = T01CPP11::create();
else if (title[i] == "T02Vector") l = T02Vector::create();
else if (title[i] == "T03Map") l = T03Map::create();
else if (title[i] == "T04Label") l = T04Label::create();
else if (title[i] == "T05Touch") l = T05Touch::create();
else if (title[i] == "T06Box2D") l = T06Box2D::create();
else if (title[i] == "T07PhysicsWorld") l = T07PhysicsWorld::create();
else if (title[i] == "T08RayCast") l = T08RayCast::create();
else if (title[i] == "T09Joint") l = T09Joint::create();
else if (title[i] == "T10MultiShapes") l = T10MultiShapes::create();
else if (title[i] == "T11FlyppyBird") l = T11FlyppyBird::create();
if (l != NULL)
{
TBack * b = TBack::create();
//Scene * s = Scene::create();
Scene * s = Scene::createWithPhysics(); // 3.x ÎïÀíÊÀ½ç
PhysicsWorld * world = s->getPhysicsWorld();
world->setDebugDrawMask(PhysicsWorld::DEBUGDRAW_ALL);
s->addChild(b);
s->addChild(l);
Director::getInstance()->pushScene(s);
}
});
menu->addChild(item);
item->setTag(1000 + i);
}
menu->alignItemsVertically();
// ´¥Ãþ
auto ev = EventListenerTouchOneByOne::create();
//ev->onTouchBegan = std::bind(&TMenu::touchBegan, this, std::placeholders::_1, std::placeholders::_2);
ev->onTouchBegan = CC_CALLBACK_2(TMenu::touchBegan, this);
ev->onTouchMoved = [&](Touch * touch, Event *){
setPositionY(getPositionY() + touch->getDelta().y);
};
_eventDispatcher->addEventListenerWithSceneGraphPriority(ev, this);
return true;
}
Scene*InGameLayer::scene()
{
auto sc=Scene::createWithPhysics();
PhysicsWorld* phyWorld = sc->getPhysicsWorld();
//phyWorld->setDebugDrawMask(PhysicsWorld::DEBUGDRAW_ALL);
//0,0不受到重力的影响
phyWorld->setGravity(Vect(0,0));
auto lay=InGameLayer::create();
sc->addChild(lay);
return sc;
}
PhysicsBodyObject::~PhysicsBodyObject()
{
if( gGame.Exists() )
{
PhysicsWorld* world = gGame->GetWorld();
if( world )
{
RSKMAP_ITERATE( m_Detectors )
world->RemoveBody( iter->second.area->GetID() );
}
}
}
PhysicsWorld* PhysicsWorld::create()
{
PhysicsWorld* instance = new PhysicsWorld();
if(instance && instance->init())
{
return instance;
}
delete instance;
return NULL;
}
void BtPlugin::destroyWorld( const String &worldName )
{
Map<StringNoCase, PhysicsWorld*>::Iterator iter = mPhysicsWorldLookup.find( worldName );
if ( iter == mPhysicsWorldLookup.end() )
return;
PhysicsWorld *world = (*iter).value;
world->destroyWorld();
delete world;
mPhysicsWorldLookup.erase( iter );
}
PhysicsWorld* PhysicsWorld::construct(Scene* scene)
{
PhysicsWorld * world = new (std::nothrow) PhysicsWorld();
if (world && world->init())
{
world->_scene = scene;
world->_eventDispatcher = scene->getEventDispatcher();
return world;
}
CC_SAFE_DELETE(world);
return nullptr;
}
static duk_ret_t PhysicsWorld_Raycast_float3_float3_float_int_int(duk_context* ctx)
{
int numArgs = duk_get_top(ctx);
PhysicsWorld* thisObj = GetThisWeakObject<PhysicsWorld>(ctx);
float3& origin = *GetCheckedValueObject<float3>(ctx, 0, float3_ID);
float3& direction = *GetCheckedValueObject<float3>(ctx, 1, float3_ID);
float maxDistance = (float)duk_require_number(ctx, 2);
int collisionGroup = numArgs > 3 ? (int)duk_require_number(ctx, 3) : -1;
int collisionMask = numArgs > 4 ? (int)duk_require_number(ctx, 4) : -1;
PhysicsRaycastResult ret = thisObj->Raycast(origin, direction, maxDistance, collisionGroup, collisionMask);
PushValueObjectCopy<PhysicsRaycastResult>(ctx, ret, PhysicsRaycastResult_ID, PhysicsRaycastResult_Finalizer);
return 1;
}
void PhysicsPlugin::_debugDraw( SceneManager *graph, const SceneRenderState *state )
{
// We only debug draw in the diffuse pass if we have a physics object.
if ( !PHYSICSMGR || !state->isDiffusePass() )
return;
// Render the server by default... else the client.
PhysicsWorld *world = PHYSICSMGR->getWorld( smServerWorldName );
if ( !world )
world = PHYSICSMGR->getWorld( smClientWorldName );
if ( world )
world->onDebugDraw( state );
}
void PlygonDrawer::playBlastAnim(Point2i pos, enNodeColor color)
{
auto convt = m_graph->m_coordCvt;
Vec2 coord = convt.getCoord(pos);
auto scene = Director::getInstance()->getRunningScene();
PhysicsWorld* phyWld = scene->getPhysicsWorld();
for (int i = 0; i < 5; ++i)
{
Sprite* spStar = BeadFactory::createBlastStar(color, 0.2 + 0.1 * i);
float radius = spStar->getContentSize().width/2 * spStar->getScaleX();
spStar->retain();
spStar->setPosition(coord);
/*spStar->runAction( Sequence::createWithTwoActions(MoveBy::create(2.0f, dir),
CallFunc::create([=]() {
spStar->removeFromParent();
spStar->release();
})));*/
spStar->runAction( Sequence::createWithTwoActions(DelayTime::create(15.0f),
CallFunc::create([=]() {
spStar->removeFromParent();
spStar->release();
})));
#define GravityAmpl 50
PhysicsMaterial phyMat = PHYSICSBODY_MATERIAL_DEFAULT; phyMat.density = 200.0f;
auto body = PhysicsBody::createCircle(radius, phyMat);
Vec2 dir = ccp(rand()%100 - 50, rand()%100 - 50);
dir.normalize(); dir = dir * body->getMass() * 8.0f * GravityAmpl;
Vect force(dir);
body->applyImpulse(force);
body->setDynamic(true);
//body->setCategoryBitmask(0x04);
//body->setCollisionBitmask(0x08);
body->setGroup(-1);
body->setGravityEnable(true);
spStar->setPhysicsBody(body);
m_tileMap->addChild(spStar, 100);
}
static bool isPhyInit = false;
if (! isPhyInit) {
isPhyInit = true;
phyWld->setGravity(Vect(0.0f, -9.8f * GravityAmpl));
//phyWld->setDebugDrawMask(PhysicsWorld::DEBUGDRAW_ALL);
phyWld->setUpdateRate(2.5f);
}
}
void Node::setPhysicsBody(PhysicsBody* body)
{
if (body != nullptr)
{
body->_node = this;
body->retain();
// physics rotation based on body position, but node rotation based on node anthor point
// it cann't support both of them, so I clear the anthor point to default.
if (!getAnchorPoint().equals(Vec2::ANCHOR_MIDDLE))
{
CCLOG("Node warning: setPhysicsBody sets anchor point to Vec2::ANCHOR_MIDDLE.");
setAnchorPoint(Vec2::ANCHOR_MIDDLE);
}
}
if (_physicsBody != nullptr)
{
PhysicsWorld* world = _physicsBody->getWorld();
_physicsBody->removeFromWorld();
_physicsBody->_node = nullptr;
_physicsBody->release();
if (world != nullptr && body != nullptr)
{
world->addBody(body);
}
}
_physicsBody = body;
if (body != nullptr)
{
Node* node;
Scene* scene = nullptr;
for (node = this->getParent(); node != nullptr; node = node->getParent())
{
Scene* tmpScene = dynamic_cast<Scene*>(node);
if (tmpScene != nullptr && tmpScene->getPhysicsWorld() != nullptr)
{
scene = tmpScene;
break;
}
}
updatePhysicsBodyPosition(scene);
updatePhysicsBodyRotation(scene);
}
}
Character::Character(PhysicsWorld& physicsWorld)
: Entity(physicsWorld.createCircleBody(GData::r_width/2, GData::r_height/2, GData::t_size/2)),
walkingSpeed(4.0f),
runningSpeed(8.0f)
{
setAnimation(GData::assets.getAnimation("standing"));
}
