void RayTracer::updateAABB(std::vector<Triangle>& triangles, Node& N)
{
CalculateBB(triangles, N.box, N.startPrim, N.endPrim);
if (N.leftChild != NULL)
updateAABB(triangles, *N.leftChild);
if (N.rightChild != NULL)
updateAABB(triangles, *N.rightChild);
}
Body::Body(ClosedShape *shape, std::vector<float> pointMasses, Vector2 &position, float angleInRadians, Vector2 &scale, bool kinematic)
{
mDerivedAngle = 0.0f;
mDerivedOmega = 0.0f;
mLastAngle = 0.0f;
mDerivedVel = Vector2::ZERO;
mAABB = new AABB();
mDerivedPos = position;
mDerivedAngle = angleInRadians;
mLastAngle = mDerivedAngle;
mScale = scale;
mMaterial = 0;
mIsStatic = false;
mKinematic = kinematic;
mBitMaskX = new Bitmask();
mBitMaskY = new Bitmask();
PI = 3.14159f;
setShape(shape);
for (unsigned int i = 0; i < mPointMasses.size(); i++)
((PointMass*)mPointMasses[i])->Mass = pointMasses[i];
updateAABB(0, true);
Type = 1;
}
void ckCdt::Ray::setPos(const ckVec& from, const ckVec& to)
{
m_from = from;
m_to = to;
updateAABB();
}
Body::Body(ClosedShape *shape, float massPerPoint, Vector2 position, float angleInRadians, Vector2 scale, bool kinematic)
{
mDerivedAngle = 0.0f;
mDerivedOmega = 0.0f;
mLastAngle = 0.0f;
mDerivedVel = Vector2::ZERO;
mAABB = new AABB();
mDerivedPos = position;
mDerivedAngle = angleInRadians;
mLastAngle = mDerivedAngle;
mScale = scale;
mMaterial = 0;
mBitMaskX = new Bitmask();
mBitMaskY = new Bitmask();
PI = 3.14159f;
if(massPerPoint > 0.0f)
mIsStatic = false;
else
mIsStatic = true;
mKinematic = kinematic;
setShape(shape);
for (int i = 0; i < mPointMassesC; i++)
((PointMass*)mPointMasses[i])->Mass = massPerPoint;
updateAABB(0, true);
Type = 1;
}
void setSize(float size)
{
_size = size;
updateAABB();
_line.getVertices().resize(2);
_line.getVertices()[0] = {0.0f, 0.0f};
_line.getVertices()[1] = {_size, 0.0f};
_line.update(Buffer::Usage::StaticDraw);
}
void GfxTerrain::recreate()
{
ResizableData data(48);
float *v0 = (float *)data.getData();
float *v1 = v0 + 3;
float *v2 = v1 + 3;
float *v3 = v2 + 3;
v0[0] = 0.0f;
v0[1] = 0.0f;
v0[2] = 0.0f;
v1[0] = chunkSize;
v1[1] = 0.0f;
v1[2] = 0.0f;
v2[0] = chunkSize;
v2[1] = 0.0f;
v2[2] = chunkSize;
v3[0] = 0.0f;
v3[1] = 0.0f;
v3[2] = chunkSize;
/*
float size = sizeInChunks * chunkSize;
for (size_t x = 0; x < sizeInChunks; ++x)
{
for (size_t z = 0; z < sizeInChunks; ++z)
{
float *v0 = (float *)((uint8_t *)data.getData() + (x+z*sizeInChunks) * 48);
float *v1 = v0 + 3;
float *v2 = v1 + 3;
float *v3 = v2 + 3;
Position3D chunkPos(float(x*chunkSize) - size/2,
0.0f,
float(z*chunkSize) - size/2);
}
}*/
GfxMeshAttrib attrib;
attrib.type = GfxMeshAttribType::Position;
attrib.dataType = GfxMeshAttribDataType::F32_3;
attrib.data = data;
mesh->setAttribute(attrib);
mesh->numVertices = 4;
updateAABB();
}
void Group::computeAABB()
{
if ((!boundingBoxEnabled)||(pool.getNbActive() == 0))
{
AABBMin.set(0.0f,0.0f,0.0f);
AABBMax.set(0.0f,0.0f,0.0f);
return;
}
const float maxFloat = std::numeric_limits<float>::max();
AABBMin.set(maxFloat,maxFloat,maxFloat);
AABBMax.set(-maxFloat,-maxFloat,-maxFloat);
Pool<Particle>::iterator endIt = pool.end();
for (Pool<Particle>::iterator it = pool.begin(); it != endIt; ++it)
updateAABB(*it);
}
void Group::computeAABB()
{
boundingBoxAABB.vcMin.Set(0.0f,0.0f,0.0f);
boundingBoxAABB.vcMax.Set(0.0f,0.0f,0.0f);
boundingBoxAABB.vcCenter.Set(0.0f,0.0f,0.0f);
if( !boundingBoxEnabled || (pool.getSizeOfActive() == 0) )
{
return;
}
Particle* endIt = pool.end();
for( Particle* it = pool.begin(); it < endIt; ++it )
updateAABB(*it);
}
void Group::launchParticle(Particle& p,std::vector<EmitterData>::iterator& emitterIt,unsigned int& nbManualBorn)
{
if (nbManualBorn == 0)
{
emitterIt->emitter->emit(p);
if (--emitterIt->nbParticles == 0)
++emitterIt;
}
else
{
CreationData creationData = creationBuffer.front();
if (creationData.zone != NULL)
creationData.zone->generatePosition(p,creationData.full);
else
p.position() = creationData.position;
if (creationData.emitter != NULL)
creationData.emitter->generateVelocity(p);
else
p.velocity() = creationData.velocity;
popNextManualAdding(nbManualBorn);
}
// Resets old position (fix 1.04.00)
p.oldPosition() = p.position();
// first parameter interpolation
// must be here so that the velocity has already been initialized
p.interpolateParameters();
if (fbirth != NULL)
(*fbirth)(p);
if (boundingBoxEnabled)
updateAABB(p);
if (distanceComputationEnabled)
p.computeSqrDist();
}
bool attacker::update(vector<Floekr2T::skill>& skills)
{
static Floekr2T::skill *temp;
static f2Point offset;
static f2Point point;
if(completeWalk == true)
return live;
//获取下一拐点
point = trace.getNextPoint(currentPoint);
direction = point - position;
direction.normalize();
direction *= velocity;
//更新位置信息
position += direction;
updateAABB(position);
if(position == point)
{
//按照路径循坏走
currentPoint = (currentPoint+1) % trace.getSumPoint();
//if(++currentPoint == trace.getSumPoint())
//completeWalk = true;
}
//AABB判断是否与技能碰撞
for(int i=0; i<skills.size(); i++)
{
temp = &skills[i];
////得到技能和攻击者之间的位移
//offset = position - temp->position;
////两者的AABB区域存在碰撞
//if(abs(offset.x*2) < width + temp->width &&
// abs(offset.y*2) < height + temp->height)
//{
// live = false;
// //直接跳出检测
// return live;
//}
//判定当前attacker与当前skill有无碰撞
temp->live = !AABBandAABB(temp->aabb);
//技能与攻击者发生碰撞
if(temp->live == false)
{
//扣除伤害
HP -= temp->damage;
if(HP <= 0 && live == true)
live = false;
int j=0;
//迭代找到元素并删除
for(vector<Floekr2T::skill>::iterator it=skills.begin(); it!=skills.end(); )
{
if(j == i)
{
it = skills.erase(it);
break;
}
else
{
++j;
++it;
}
}
}
//只有在非存活状态才直接跳出
if(!live)
return live;
}
//static f2Point oldDirection;
////若没有走到拐点
//if(oldDirection == direction)
// return live;
return live;
}
bool Group::update(float deltaTime)
{
unsigned int nbManualBorn = nbBufferedParticles;
unsigned int nbAutoBorn = 0;
bool hasActiveEmitters = false;
// Updates emitters
activeEmitters.clear();
std::vector<Emitter*>::const_iterator endIt = emitters.end();
for (std::vector<Emitter*>::const_iterator it = emitters.begin(); it != endIt; ++it)
{
if ((*it)->isActive())
{
int nb = (*it)->updateNumber(deltaTime);
if (nb > 0)
{
EmitterData data = {*it,nb};
activeEmitters.push_back(data);
nbAutoBorn += nb;
}
}
hasActiveEmitters |= !((*it)->isSleeping());
}
std::vector<EmitterData>::iterator emitterIt = activeEmitters.begin();
unsigned int nbBorn = nbAutoBorn + nbManualBorn;
// Inits bounding box
if (boundingBoxEnabled)
{
const float maxFloat = std::numeric_limits<float>::max();
AABBMin.set(maxFloat,maxFloat,maxFloat);
AABBMax.set(-maxFloat,-maxFloat,-maxFloat);
}
// Prepare modifiers for processing
activeModifiers.clear();
for (std::vector<Modifier*>::iterator it = modifiers.begin(); it != modifiers.end(); ++it)
{
(*it)->beginProcess(*this);
if ((*it)->isActive())
activeModifiers.push_back(*it);
}
// Updates particles
for (size_t i = 0; i < pool.getNbActive(); ++i)
{
if ((pool[i].update(deltaTime))||((fupdate != NULL)&&((*fupdate)(pool[i],deltaTime))))
{
if (fdeath != NULL)
(*fdeath)(pool[i]);
if (nbBorn > 0)
{
pool[i].init();
launchParticle(pool[i],emitterIt,nbManualBorn);
--nbBorn;
}
else
{
particleData[i].sqrDist = 0.0f;
pool.makeInactive(i);
--i;
}
}
else
{
if (boundingBoxEnabled)
updateAABB(pool[i]);
if (distanceComputationEnabled)
pool[i].computeSqrDist();
}
}
// Terminates modifiers processing
for (std::vector<Modifier*>::iterator it = modifiers.begin(); it != modifiers.end(); ++it)
(*it)->endProcess(*this);
// Emits new particles if some left
for (int i = nbBorn; i > 0; --i)
pushParticle(emitterIt,nbManualBorn);
// Sorts particles if enabled
if ((sortingEnabled)&&(pool.getNbActive() > 1))
sortParticles(0,pool.getNbActive() - 1);
if ((!boundingBoxEnabled)||(pool.getNbActive() == 0))
{
AABBMin.set(0.0f,0.0f,0.0f);
AABBMax.set(0.0f,0.0f,0.0f);
}
return (hasActiveEmitters)||(pool.getNbActive() > 0);
}
ckCdt::Ray::Ray()
{
m_from = m_to = ckVec::ZERO;
updateAABB();
}
bool Group::update(float deltaTimeInSeconds)
{
uint32 nbManualBorn = NumOfBufferedParticles;
uint32 nbAutoBorn = 0;
bool hasActiveEmitters = false;
// Updates emitters
activeEmitters.clear();
Emitter** endIt = emitters.end();
for( Emitter** it = emitters.begin(); it < endIt; ++it )
{
if( (*it)->isActive() )
{
uint32 nb = (*it)->updateNumber(deltaTimeInSeconds);
if( nb > 0 )
{
EmitterData data = {*it, nb};
activeEmitters.add(data);
nbAutoBorn += nb;
}
}
hasActiveEmitters |= !((*it)->isSleeping());
}
EmitterData* emitterIt = activeEmitters.begin();
uint32 nbBorn = nbAutoBorn + nbManualBorn;
// Inits bounding box
if(boundingBoxEnabled)
{
boundingBoxAABB.vcMin.Set(0, 0, 0);
boundingBoxAABB.vcMax.Set(0, 0, 0);
boundingBoxAABB.vcCenter.Set(0, 0, 0);
}
// Prepare modifiers for processing
activeModifiers.clear();
for( Modifier** it = modifiers.begin(); it < modifiers.end(); ++it )
{
(*it)->beginProcess(*this);
if( (*it)->isActive() )
activeModifiers.add(*it);
}
// Updates particles
for( uint32 i = 0; i < pool.getSizeOfActive(); ++i )
{
if( pool[i].update(deltaTimeInSeconds) || ((fupdate != NULL) && ((*fupdate)(pool[i], deltaTimeInSeconds))) )
{
if( fdeath != NULL )
(*fdeath)(pool[i]);
if( nbBorn > 0 )
{
pool[i].init();
launchParticle(pool[i], emitterIt, nbManualBorn);
--nbBorn;
}
else
{
particleData[i].sqrDist = 0.0f;
pool.makeInactive(i);
--i;
}
}
else
{
if( boundingBoxEnabled )
updateAABB(pool[i]);
if( distanceComputationEnabled )
pool[i].computeSqrDist();
}
}
// Terminates modifiers processing
for( Modifier** it = modifiers.begin(); it < modifiers.end(); ++it )
(*it)->endProcess(*this);
// Emits new particles if some left
for( uint32 i = nbBorn; i > 0; --i )
pushParticle(emitterIt, nbManualBorn);
// Sorts particles if enabled
if( sortingEnabled && (pool.getSizeOfActive() > 1) )
sortParticles(0, pool.getSizeOfActive() - 1);
if( !boundingBoxEnabled || (pool.getSizeOfActive() == 0) )
{
boundingBoxAABB.vcMin.Set(0, 0, 0);
boundingBoxAABB.vcMax.Set(0, 0, 0);
boundingBoxAABB.vcCenter.Set(0, 0, 0);
}
return hasActiveEmitters || (pool.getSizeOfActive() > 0);
}
void AxisAlignedBBSystem::OnEntityUpdate(LibCommon::Entity* ent, Components::IComponent*) {
updateAABB(ent);
auto aabb = ent->Get<Components::AxisAlignedBB>();
NotifyUpdate(ent, aabb);
}
void AxisAlignedBBSystem::OnEntityAdd(LibCommon::Entity* e) {
updateAABB(e);
auto aabb = e->Get<Components::AxisAlignedBB>();
NotifyUpdate(e, aabb);
}
void RayTracer::updateAABBs(std::vector<Triangle>& triangles)
{
if (m_root != NULL)
updateAABB(triangles, *m_root);
}
