void OgreApplication::SetupAnimation(Ogre::String object_name){ /* Retrieve scene manager and root scene node */ Ogre::SceneManager* scene_manager = ogre_root_->getSceneManager("MySceneManager"); Ogre::SceneNode* root_scene_node = scene_manager->getRootSceneNode(); /* Set up animation */ Ogre::Real duration = Ogre::Math::TWO_PI; Ogre::Real num_steps = 36; Ogre::Real step = duration/num_steps; Ogre::Animation* animation = scene_manager->createAnimation("Animation", duration); animation->setInterpolationMode(Ogre::Animation::IM_LINEAR); Ogre::Node *object_scene_node = root_scene_node->getChild(object_name); Ogre::NodeAnimationTrack* track = animation->createNodeTrack(0, object_scene_node); /* Set up frames for animation */ Ogre::TransformKeyFrame* key; Ogre::Quaternion quat; for (int i = 0; i < num_steps; i++){ Ogre::Real current = ((float) i) * step; key = track->createNodeKeyFrame(current); quat.FromAngleAxis(Ogre::Radian(-current), Ogre::Vector3(0, 1, 0)); key->setRotation(quat); key->setScale(Ogre::Vector3(0.5, 0.5, 0.5)); } /* Create animation state */ animation_state_ = scene_manager->createAnimationState("Animation"); animation_state_->setEnabled(true); animation_state_->setLoop(true); /* Turn on animating flag */ animating_ = true; }
void SkeletonSerializerEx::readAnimationTrack( Ogre::DataStreamPtr& stream, Ogre::Animation* anim, Ogre::Skeleton* pSkel) { // unsigned short boneIndex : Index of bone to apply to unsigned short boneHandle; readShorts(stream, &boneHandle, 1); // Find bone Ogre::Bone *targetBone = pSkel->getBone(boneHandle); // Create track Ogre::NodeAnimationTrack* pTrack = anim->createNodeTrack(boneHandle, targetBone); // Keep looking for nested keyframes if (!stream->eof()) { unsigned short streamID = readChunk(stream); while((streamID == Ogre::SKELETON_ANIMATION_TRACK_KEYFRAME || streamID == 0x4120 ) && !stream->eof()) { if (streamID == 0x4120) { unsigned short len; unsigned short flags; readShorts(stream, &len, 1); readShorts(stream, &flags, 1); float time; for (int i = 0; i < len; i += 1) { readFloats(stream, &time, 1); Ogre::TransformKeyFrame *kf = pTrack->createNodeKeyFrame(time); Ogre::Quaternion rot = Ogre::Quaternion::IDENTITY; if (flags & 1) { readObject(stream, rot); } kf->setRotation(rot); Ogre::Vector3 trans = Ogre::Vector3::ZERO; if (flags & 2) { readObject(stream, trans); } kf->setTranslate(trans); // 为正确解析天龙八部模型的骨骼动画 Ogre::Vector3 scale = Ogre::Vector3::UNIT_SCALE; if (flags & 4) { readObject(stream, scale); } kf->setScale(scale); } } else readKeyFrame(stream, pTrack, pSkel); if (!stream->eof()) { // Get next stream streamID = readChunk(stream); } } if (!stream->eof()) { // Backpedal back to start of this stream if we've found a non-keyframe stream->skip(-STREAM_OVERHEAD_SIZE); } } }
/* Function used to load an AnimationState to a sceneNode. * Params: * @scnManager the SceneManager * @node The SceneNode to load the AnimationStates * @elem The TiXmlElement where is the animation * Returns: * anim On success * 0 On error */ bool Util::getAnimation(Ogre::SceneManager *scnManager, Ogre::SceneNode *node, TiXmlElement *elem, std::list<Ogre::AnimationState *> &animList) { ASSERT(scnManager); ASSERT(node); ASSERT(elem); if(Ogre::String(elem->Value()) != "animations") { debug("Invalid animation xml: %s \n", elem->Value()); return false; } animList.clear(); TiXmlElement *pElement = elem->FirstChildElement("animation"); if(!pElement){ debug("No animations found\n"); return false; } while(pElement){ TiXmlElement *actualElement = pElement; Ogre::String nombreanimacion = actualElement->Attribute("name"); Ogre::String activada = actualElement->Attribute("enable"); Ogre::String loop = actualElement->Attribute("loop"); Ogre::String modointerpolacion = actualElement->Attribute("interpolationMode"); Ogre::String modointerpolacionrotacion = actualElement->Attribute("rotationInterpolationMode"); Ogre::Real longitud= Ogre::StringConverter::parseReal(actualElement->Attribute("length")); Ogre::SceneManager *sceneMgr = scnManager; Ogre::Animation *animrueda = sceneMgr->createAnimation(nombreanimacion,longitud); if (modointerpolacion == "spline") { animrueda->setInterpolationMode(Ogre::Animation::IM_SPLINE); } else //linear { animrueda->setInterpolationMode(Ogre::Animation::IM_LINEAR); } if (modointerpolacionrotacion == "spherical") { animrueda->setRotationInterpolationMode(Ogre::Animation::RIM_SPHERICAL); } else //linear { animrueda->setRotationInterpolationMode(Ogre::Animation::RIM_LINEAR); } Ogre::NodeAnimationTrack *track = animrueda->createNodeTrack( animrueda->getNumNodeTracks() + 1, node); actualElement = actualElement->FirstChildElement(); do { Ogre::Real tiempo = Ogre::StringConverter::parseReal( actualElement->Attribute("time")); Ogre::TransformKeyFrame *kf = track->createNodeKeyFrame(tiempo); kf->setTranslate( parseVector3(actualElement->FirstChildElement("translation"))); kf->setRotation( parseQuaternion( actualElement->FirstChildElement("rotation"))); kf->setScale( parseVector3( actualElement->FirstChildElement("scale"))); } while (actualElement = actualElement->NextSiblingElement()); // Create the animation and put it in the list Ogre::AnimationState *as = scnManager->createAnimationState(nombreanimacion); as->setEnabled(false); as->setLoop(false); ASSERT(as); animList.push_back(as); pElement = pElement->NextSiblingElement("animation"); } return true; }