void MainGameLayer::addBox(Point p)
{
// Define the dynamic body.
//Set up a 1m squared box in the physics world
b2BodyDef bodyDef;
bodyDef.type = b2_dynamicBody;
bodyDef.position.Set(p.x/PTM_RATIO, p.y/PTM_RATIO);
b2Body *body = (Box2dDirectorLayer::world)->CreateBody(&bodyDef);
// Define another box shape for our dynamic body.
b2PolygonShape dynamicBox;
//dynamicBox.SetAsBox(.5f, .5f);//These are mid points for our 1m box
dynamicBox.SetAsBox(.5f, .8f);//These are mid points for our 1m box
// Define the dynamic body fixture.
b2FixtureDef fixtureDef;
fixtureDef.shape = &dynamicBox;
fixtureDef.density = 1.0f;
fixtureDef.friction = 0.3f;
body->CreateFixture(&fixtureDef);
// body to sprite
Texture2D *texture = TextureCache::getInstance()->addImage("gabriel.png");
PhysicsSprite *sprite = PhysicsSprite::createWithTexture(texture);
addChild(sprite);
sprite->setB2Body(body);
sprite->setPTMRatio(PTM_RATIO);
sprite->setPosition( Point( p.x, p.y) );
}
void LiquidScene::drawBox2dSpriteAt(LiquidScene::Box2dSpriteData data, Point pos) {
if (data.file == NULL) {
return;
}
b2Body* body;
b2BodyDef bodyDef;
b2CircleShape shape;
b2FixtureDef fixtureDef;
PhysicsSprite* physicsSprite = PhysicsSprite::create(data.file);
float scale = Director::getInstance()->getContentScaleFactor();
physicsSprite->cocos2d::Node::setScale(scale);
bodyDef.type = b2_dynamicBody;
bodyDef.position.Set((pos.x) / PT_RATIO, (pos.y) / PT_RATIO);
bodyDef.userData = physicsSprite;
body = world->CreateBody(&bodyDef);
shape.m_radius = physicsSprite->getContentSize().width / PT_RATIO;
fixtureDef.shape = &shape;
fixtureDef.density = data.density;
fixtureDef.friction = data.friction;
body->CreateFixture(&fixtureDef);
this->addChild(physicsSprite);
physicsSprite->setB2Body(body);
physicsSprite->setPTMRatio(PT_RATIO);
physicsSprite->setPosition(pos);
}
void Box2DTestLayer::addNewSpriteAtPosition(Point p)
{
CCLOG("Add sprite %0.2f x %02.f",p.x,p.y);
// Define the dynamic body.
//Set up a 1m squared box in the physics world
b2BodyDef bodyDef;
bodyDef.type = b2_dynamicBody;
bodyDef.position.Set(p.x/PTM_RATIO, p.y/PTM_RATIO);
b2Body *body = world->CreateBody(&bodyDef);
// Define another box shape for our dynamic body.
b2PolygonShape dynamicBox;
dynamicBox.SetAsBox(.5f, .5f);//These are mid points for our 1m box
// Define the dynamic body fixture.
b2FixtureDef fixtureDef;
fixtureDef.shape = &dynamicBox;
fixtureDef.density = 1.0f;
fixtureDef.friction = 0.3f;
body->CreateFixture(&fixtureDef);
#if CC_ENABLE_BOX2D_INTEGRATION
Node *parent = this->getChildByTag(kTagParentNode);
//We have a 64x64 sprite sheet with 4 different 32x32 images. The following code is
//just randomly picking one of the images
int idx = (CCRANDOM_0_1() > .5 ? 0:1);
int idy = (CCRANDOM_0_1() > .5 ? 0:1);
PhysicsSprite *sprite = PhysicsSprite::createWithTexture(_spriteTexture,Rect(32 * idx,32 * idy,32,32));
parent->addChild(sprite);
sprite->setB2Body(body);
sprite->setPTMRatio(PTM_RATIO);
sprite->setPosition( Point( p.x, p.y) );
#endif
}