Method beforeSimulation

core/physics/PhysicsBody.cpp:920–954

}

void PhysicsBody::beforeSimulation(const Mat4& parentToWorldTransform,
                                   const Mat4& nodeToWorldTransform,
                                   float scaleX,
                                   float scaleY,
                                   float rotation)
{
    if (_recordScaleX != scaleX || _recordScaleY != scaleY)
    {
        _recordScaleX = scaleX;
        _recordScaleY = scaleY;
        setScale(scaleX, scaleY);
    }

    // set rotation
    if (_recordedRotation != rotation)
    {
        setRotation(rotation);
    }

    // set position
    auto worldPosition = _ownerCenterOffset;
    nodeToWorldTransform.transformVector(worldPosition.x, worldPosition.y, worldPosition.z, 1.f, &worldPosition);
    setPosition(worldPosition.x, worldPosition.y);

    _recordPosX = worldPosition.x;
    _recordPosY = worldPosition.y;

    if (_owner->getAnchorPoint() != Vec2::ANCHOR_MIDDLE)
    {
        parentToWorldTransform.getInversed().transformVector(worldPosition.x, worldPosition.y, worldPosition.z, 1.f,
                                                             &worldPosition);
        _offset.x = worldPosition.x - _owner->getPositionX();
        _offset.y = worldPosition.y - _owner->getPositionY();
    }
}

void PhysicsBody::afterSimulation(const Mat4& parentToWorldTransform, float parentRotation)
{