void
vsCollisionObject::RegisterObject()
{
b2World *w = vsCollisionSystem::Instance()->GetWorld();
if ( m_static )
m_body = w->CreateBody( GetBodyDef() );
else
m_body = w->CreateBody( GetBodyDef() );
for ( int i = 0; i < m_boxCount; i++ )
m_body->CreateFixture(&m_boxDef[i]);
for ( int i = 0; i < m_circleCount; i++ )
m_body->CreateFixture(&m_circleDef[i]);
m_body->ResetMassData();
}
void PhysicsSystem::OnEntityAdded(Entity* _entity)
{
auto collision = _entity->GetComponent<CollisionComponent>();
auto position = _entity->GetComponent<PositionComponent>();
auto velocity = _entity->GetComponent<VelocityComponent>();
auto rotation = _entity->GetComponent<RotationComponent>();
auto scale = _entity->GetComponent<ScaleComponent>();
if (scale && (scale->GetScale().x != 1 || scale->GetScale().y != 1))
{
auto fixDefs = collision->GetFixtureDefs();
for (auto it = fixDefs.begin(); it != fixDefs.end(); ++it)
{
b2FixtureDef* fix = *it;
if (fix->shape->m_type == b2Shape::Type::e_polygon)
{
b2PolygonShape* polygonShape = (b2PolygonShape*)fix->shape;
for (int i = 0; i < polygonShape->GetVertexCount(); ++i)
polygonShape->m_vertices[i] = b2Vec2(polygonShape->m_vertices[i].x * scale->GetScale().x, polygonShape->m_vertices[i].y * scale->GetScale().y);
}
else if (fix->shape->m_type == b2Shape::Type::e_circle)
{
b2CircleShape* circleShape = (b2CircleShape*)fix->shape;
if (scale->GetScale().x > scale->GetScale().y)
circleShape->m_radius *= scale->GetScale().x;
else
circleShape->m_radius *= scale->GetScale().y;
}
}
}
if (position)
collision->GetBodyDef()->position = b2Vec2(position->GetPosition().x, position->GetPosition().y);
if (velocity)
collision->GetBodyDef()->linearVelocity = b2Vec2(velocity->m_velocity.x, velocity->m_velocity.y);
if (rotation)
collision->GetBodyDef()->angle = rotation->GetRotation().z;
collision->CreateBody(m_b2World);
}
