void Camera::lookAt(const Vec3& lookAtPos, const Vec3& up)
{
Vec3 upv = up;
upv.normalize();
Vec3 zaxis;
Vec3::subtract(this->getPosition3D(), lookAtPos, &zaxis);
zaxis.normalize();
Vec3 xaxis;
Vec3::cross(upv, zaxis, &xaxis);
xaxis.normalize();
Vec3 yaxis;
Vec3::cross(zaxis, xaxis, &yaxis);
yaxis.normalize();
Mat4 rotation;
rotation.m[0] = xaxis.x;
rotation.m[1] = xaxis.y;
rotation.m[2] = xaxis.z;
rotation.m[3] = 0;
rotation.m[4] = yaxis.x;
rotation.m[5] = yaxis.y;
rotation.m[6] = yaxis.z;
rotation.m[7] = 0;
rotation.m[8] = zaxis.x;
rotation.m[9] = zaxis.y;
rotation.m[10] = zaxis.z;
rotation.m[11] = 0;
Quaternion quaternion;
Quaternion::createFromRotationMatrix(rotation,&quaternion);
quaternion.normalize();
setRotationQuat(quaternion);
}
Sprite3D* Sprite3D::createSprite3DNode(NodeData* nodedata,ModelData* modeldata,const MaterialDatas& materialdatas)
{
auto sprite = new (std::nothrow) Sprite3D();
if (sprite)
{
sprite->setName(nodedata->id);
auto mesh = Mesh::create(nodedata->id, getMeshIndexData(modeldata->subMeshId));
if (modeldata->matrialId == "" && materialdatas.materials.size())
{
const NTextureData* textureData = materialdatas.materials[0].getTextureData(NTextureData::Usage::Diffuse);
if (!textureData->filename.empty())
mesh->setTexture(textureData->filename);
}
else
{
const NMaterialData* materialData=materialdatas.getMaterialData(modeldata->matrialId);
if(materialData)
{
const NTextureData* textureData = materialData->getTextureData(NTextureData::Usage::Diffuse);
if(textureData && !textureData->filename.empty())
{
auto tex = Director::getInstance()->getTextureCache()->addImage(textureData->filename);
if(tex)
{
Texture2D::TexParams texParams;
texParams.minFilter = GL_LINEAR;
texParams.magFilter = GL_LINEAR;
texParams.wrapS = textureData->wrapS;
texParams.wrapT = textureData->wrapT;
tex->setTexParameters(texParams);
mesh->setTexture(tex);
mesh->_isTransparent = (materialData->getTextureData(NTextureData::Usage::Transparency) != nullptr);
}
}
}
}
// set locale transform
Vec3 pos;
Quaternion qua;
Vec3 scale;
nodedata->transform.decompose(&scale, &qua, &pos);
sprite->setPosition3D(pos);
sprite->setRotationQuat(qua);
sprite->setScaleX(scale.x);
sprite->setScaleY(scale.y);
sprite->setScaleZ(scale.z);
sprite->addMesh(mesh);
sprite->autorelease();
sprite->genGLProgramState();
}
return sprite;
}
void PUParticleSystem3D::processParticle( ParticlePool &pool, bool &firstActiveParticle, bool &firstParticle, float elapsedTime )
{
PUParticle3D *particle = static_cast<PUParticle3D *>(pool.getFirst());
//Mat4 ltow = getNodeToWorldTransform();
//Vec3 scl;
//Quaternion rot;
//ltow.decompose(&scl, &rot, nullptr);
while (particle){
if (!isExpired(particle, elapsedTime)){
particle->process(elapsedTime);
//if (_emitter && _emitter->isEnabled())
// _emitter->updateEmitter(particle, elapsedTime);
for (auto it : _emitters) {
if (it->isEnabled() && !it->isMarkedForEmission()){
(static_cast<PUEmitter*>(it))->updateEmitter(particle, elapsedTime);
}
}
for (auto& it : _affectors) {
if (it->isEnabled()){
(static_cast<PUAffector*>(it))->process(particle, elapsedTime, firstActiveParticle);
}
}
if (_render)
static_cast<PURender *>(_render)->updateRender(particle, elapsedTime, firstActiveParticle);
if (_isEnabled && particle->particleType != PUParticle3D::PT_VISUAL){
if (particle->particleType == PUParticle3D::PT_EMITTER){
auto emitter = static_cast<PUEmitter *>(particle->particleEntityPtr);
emitter->setLocalPosition(particle->position);
executeEmitParticles(emitter, emitter->calculateRequestedParticles(elapsedTime), elapsedTime);
}else if (particle->particleType == PUParticle3D::PT_TECHNIQUE){
auto system = static_cast<PUParticleSystem3D *>(particle->particleEntityPtr);
system->setPosition3D(particle->position);
system->setRotationQuat(particle->orientation);
//system->setScaleX(scl.x);system->setScaleY(scl.y);system->setScaleZ(scl.z);
system->forceUpdate(elapsedTime);
}
}
firstActiveParticle = false;
// Keep latest position
particle->latestPosition = particle->position;
//if (_maxVelocitySet && particle->calculateVelocity() > _maxVelocity)
//{
// particle->direction *= (_maxVelocity / particle->direction.length());
//}
//// Update the position with the direction.
//particle->position += (particle->direction * _particleSystemScaleVelocity * elapsedTime);
//particle->positionInWorld = particle->position;
//particle->orientationInWorld = particle->orientation;
//particle->widthInWorld = particle->width;
//particle->heightInWorld = particle->height;
//particle->depthInWorld = particle->depth;
//bool keepLocal = _keepLocal;
//PUParticleSystem3D *parent = dynamic_cast<PUParticleSystem3D *>(getParent());
//if (parent) keepLocal = keepLocal || parent->isKeepLocal();
//if (keepLocal){
// ltow.transformPoint(particle->positionInWorld, &particle->positionInWorld);
// Vec3 ori;
// ltow.transformVector(Vec3(particle->orientation.x, particle->orientation.y, particle->orientation.z), &ori);
// particle->orientationInWorld.x = ori.x; particle->orientationInWorld.y = ori.y; particle->orientationInWorld.z = ori.z;
// particle->widthInWorld = scl.x * particle->width;
// particle->heightInWorld = scl.y * particle->height;
// particle->depthInWorld = scl.z * particle->depth;
//}
processMotion(particle, elapsedTime, firstActiveParticle);
}
else{
initParticleForExpiration(particle, elapsedTime);
pool.lockLatestData();
}
for (auto it : _observers){
if (it->isEnabled()){
it->updateObserver(particle, elapsedTime, firstParticle);
}
}
if (particle->hasEventFlags(PUParticle3D::PEF_EXPIRED))
{
particle->setEventFlags(0);
particle->addEventFlags(PUParticle3D::PEF_EXPIRED);
}
else
{
particle->setEventFlags(0);
}
particle->timeToLive -= elapsedTime;
firstParticle = false;
particle = static_cast<PUParticle3D *>(pool.getNext());
}
}
void Camera::setRotationQuat( float x, float y, float z, float w )
{
setRotationQuat( DirectX::XMFLOAT4( x,y,z,w) );
}
void Sprite3D::createNode(NodeData* nodedata, Node* root, const MaterialDatas& materialdatas, bool singleSprite)
{
Node* node=nullptr;
for(const auto& it : nodedata->modelNodeDatas)
{
if(it)
{
if(it->bones.size() > 0 || singleSprite)
{
if(singleSprite && root!=nullptr)
root->setName(nodedata->id);
auto mesh = Mesh::create(nodedata->id, getMeshIndexData(it->subMeshId));
if(mesh)
{
_meshes.pushBack(mesh);
if (_skeleton && it->bones.size())
{
auto skin = MeshSkin::create(_skeleton, it->bones, it->invBindPose);
mesh->setSkin(skin);
}
mesh->_visibleChanged = std::bind(&Sprite3D::onAABBDirty, this);
if (it->matrialId == "" && materialdatas.materials.size())
{
const NTextureData* textureData = materialdatas.materials[0].getTextureData(NTextureData::Usage::Diffuse);
mesh->setTexture(textureData->filename);
}
else
{
const NMaterialData* materialData=materialdatas.getMaterialData(it->matrialId);
if(materialData)
{
const NTextureData* textureData = materialData->getTextureData(NTextureData::Usage::Diffuse);
if(textureData && !textureData->filename.empty())
{
auto tex = Director::getInstance()->getTextureCache()->addImage(textureData->filename);
if(tex)
{
Texture2D::TexParams texParams;
texParams.minFilter = GL_LINEAR;
texParams.magFilter = GL_LINEAR;
texParams.wrapS = textureData->wrapS;
texParams.wrapT = textureData->wrapT;
tex->setTexParameters(texParams);
mesh->setTexture(tex);
mesh->_isTransparent = (materialData->getTextureData(NTextureData::Usage::Transparency) != nullptr);
}
}
}
}
Vec3 pos;
Quaternion qua;
Vec3 scale;
nodedata->transform.decompose(&scale, &qua, &pos);
setPosition3D(pos);
setRotationQuat(qua);
setScaleX(scale.x);
setScaleY(scale.y);
setScaleZ(scale.z);
}
}
else
{
auto sprite = createSprite3DNode(nodedata,it,materialdatas);
if (sprite)
{
if(root)
{
root->addChild(sprite);
}
}
node=sprite;
}
}
}
if(nodedata->modelNodeDatas.size() ==0 )
{
node= Node::create();
if(node)
{
node->setName(nodedata->id);
// set locale transform
Vec3 pos;
Quaternion qua;
Vec3 scale;
nodedata->transform.decompose(&scale, &qua, &pos);
node->setPosition3D(pos);
node->setRotationQuat(qua);
node->setScaleX(scale.x);
node->setScaleY(scale.y);
node->setScaleZ(scale.z);
if(root)
{
root->addChild(node);
}
}
}
for(const auto& it : nodedata->children)
{
createNode(it,node, materialdatas, nodedata->children.size() == 1);
}
}
