Scene* HelloWorld::createScene()
{
// 'scene' is an autorelease object
auto scene = Scene::createWithPhysics();
// 'layer' is an autorelease object
auto layer = HelloWorld::create();
// add layer as a child to scene
scene->addChild(layer);
// 重力の設定.
layer->world = scene->getPhysicsWorld();
Vect gravity;
gravity.setPoint(0.0f, -1500.0f);
layer->world->setGravity(gravity);
// layer->world
Size visibleSize = Director::getInstance()->getVisibleSize();
Vec2 origin = Director::getInstance()->getVisibleOrigin();
// 地面の描画.
auto floor = Sprite::create("Texture/Background.png");
auto backgroundSize = floor->getContentSize();
floor->setPosition(Vec2(visibleSize.width / 2 + origin.x, backgroundSize.height / 2.0f));
layer->addChild(floor, 0);
// 地面の物理設定.
auto floorPhysicsBody = PhysicsBody::createBox(backgroundSize);
floorPhysicsBody->setDynamic(false);
floorPhysicsBody->setCategoryBitmask(1);
auto dummyPhysicsBody = PhysicsBody::createBox(Size(0, 0));
dummyPhysicsBody->setPositionOffset(floor->getPosition());
dummyPhysicsBody->setDynamic(false);
//auto joint = PhysicsJointDistance::construct(floorPhysicsBody, dummyPhysicsBody, floor->getPosition(), Vec2(0, 10));
auto pin = PhysicsJointPin::construct(floorPhysicsBody, dummyPhysicsBody, Vec2(0, 90));
pin->setCollisionEnable(false);
floor->setPhysicsBody(floorPhysicsBody);
layer->floor = floor;
//scene->getPhysicsWorld()->addJoint(pin);
for (int i = 0; i < 2; i++)
{
// ボールの描画.
auto ball = Sprite::create("Texture/Ball.png");
layer->ballList.push_back(ball);
ball->setPosition(Vec2(visibleSize.width / 2 + origin.x + i * 32, visibleSize.height / 2.0f + i * 256));
// ボールの物理設定.
auto ballMaterial = PHYSICSBODY_MATERIAL_DEFAULT;
ballMaterial.restitution = 1.5f;
ballMaterial.friction = 0.8f;
auto ballPhysicsBody = PhysicsBody::createCircle(ball->getContentSize().width / 2.0f, ballMaterial);
ballPhysicsBody->setMass(10.0f);
ballPhysicsBody->setCollisionBitmask(1);
ballPhysicsBody->setCategoryBitmask(2);
ball->setPhysicsBody(ballPhysicsBody);
layer->addChild(ball, -i);
}
layer->setTouchMode(kCCTouchesOneByOne);
layer->setTouchEnabled(true);
// return the scene
return scene;
}
