bool CreateObjectAction::updateInstance(const Point& pt)
{
if (mObjectType.empty())
{
hide();
return false;
}
Ogre::Vector3 position, normal;
if (!getSceneManipulator()->getTerrainIntersects(pt, position, &normal, true))
{
hide();
return false;
}
if (!mObject)
{
mObject = ObjectFactoryManager::getSingleton().createInstance(mObjectType);
mObject->setPropertyList(mParameters);
mObject->createRenderInstance(getSceneManipulator());
}
else
{
mObject->setPropertyList(mParameters);
}
Ogre::Vector3 groundingPoint(Ogre::Vector3::ZERO);
if (mObject->hasProperty("grounding point"))
{
// Adjust position by grounding point
groundingPoint = VariantCast<Ogre::Vector3>(mObject->getProperty("grounding point"));
position -= groundingPoint;
}
position = getSceneManipulator()->_alignPosition(position);
position.y = getTerrainData()->getHeightAt(position.x, position.z) - groundingPoint.y;
position = getSceneManipulator()->_alignPosition(position);
if(!mHasPosition)
mObject->setProperty("position", position);
mRangeSphereNode->setVisible(false);
Ogre::String type = mObject->getType();
if ( type == "Light")
{
LightObject *lightObject = static_cast<LightObject *> (mObject.get());
if (mObject->getPropertyAsString("type") == "point")
{
mRangeSphereNode->setPosition(position);
mRangeSphereNode->setVisible(true);
}
}
return true;
}
bool CreateComplexObjectAction::updateInstance(const Point& pt)
{
if (mObjectType.empty())
{
hide();
return false;
}
Ogre::Vector3 position, normal;
if (!getSceneManipulator()->getTerrainIntersects(pt, position, &normal, true))
{
hide();
return false;
}
if (!mObject)
{
mObject = ObjectFactoryManager::getSingleton().createInstance(mObjectType);
mObject->setPropertyList(mParameters);
// 设置物体的位置
Ogre::Vector3 groundingPoint(Ogre::Vector3::ZERO);
if (mObject->hasProperty("grounding point"))
{
// Adjust position by grounding point
groundingPoint = VariantCast<Ogre::Vector3>(mObject->getProperty("grounding point"));
position -= groundingPoint;
}
position = getSceneManipulator()->_alignPosition(position);
position.y = getTerrainData()->getHeightAt(position.x, position.z) - groundingPoint.y;
position = getSceneManipulator()->_alignPosition(position);
mObject->setProperty("position", position);
mObject->createRenderInstance(getSceneManipulator());
}
else
{
mObject->setPropertyList(mParameters);
}
return true;
}