370 lines
11 KiB
C++
370 lines
11 KiB
C++
|
/****************************************************************************
|
||
|
|
Copyright (c) 2011-2013,WebJet Business Division,CYOU
|
||
|
|
|
||
|
|
http://www.genesis-3d.com.cn
|
||
|
|
|
||
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
of this software and associated documentation files (the "Software"), to deal
|
||
|
|
in the Software without restriction, including without limitation the rights
|
||
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
copies of the Software, and to permit persons to whom the Software is
|
||
|
|
furnished to do so, subject to the following conditions:
|
||
|
|
|
||
|
|
The above copyright notice and this permission notice shall be included in
|
||
|
|
all copies or substantial portions of the Software.
|
||
|
|
|
||
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
THE SOFTWARE.
|
||
|
|
****************************************************************************/
|
||
|
|
#include "stdneb.h"
|
||
|
|
#include "particles/particleemitter.h"
|
||
|
|
#include "particles/particle.h"
|
||
|
|
#include "particles/particlesystem.h"
|
||
|
|
|
||
|
|
namespace Particles
|
||
|
|
{
|
||
|
|
using namespace Math;
|
||
|
|
|
||
|
|
__ImplementClass(Particles::ParticleEmitter, 'PARE', Core::RefCounted)
|
||
|
|
|
||
|
|
GPtr<ParticleEmitter> ParticleEmitter::NullEmitter(NULL);
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
ParticleEmitter::ParticleEmitter()
|
||
|
|
: mParentSystem(NULL)
|
||
|
|
, mName("Emitter")
|
||
|
|
, mIsActive(false)
|
||
|
|
, mEnable(true)
|
||
|
|
, mRemainder(0)
|
||
|
|
, mDirection(ConstDefine::DEFAULT_EMITTER_DIRECTION)
|
||
|
|
, mMinOrientation(ConstDefine::QUATERNION_IDENTITY)
|
||
|
|
, mMaxOrientation(ConstDefine::QUATERNION_IDENTITY)
|
||
|
|
, mMinMass(ConstDefine::DEFAULT_MASS)
|
||
|
|
, mMaxMass(ConstDefine::DEFAULT_MASS)
|
||
|
|
, mMinColor(ConstDefine::DEFAULT_MIN_COLOR)
|
||
|
|
, mMaxColor(ConstDefine::DEFAULT_MAX_COLOR)
|
||
|
|
, mMinTexCoordIndex(ConstDefine::DEFAULT_TEXCOORD_INDEX)
|
||
|
|
, mMaxTexCoordIndex(ConstDefine::DEFAULT_TEXCOORD_INDEX)
|
||
|
|
, mMinSize(ConstDefine::DEFAULT_SIZE)
|
||
|
|
, mMaxSize(ConstDefine::DEFAULT_SIZE)
|
||
|
|
, mInitFromType(EFT_POINT)
|
||
|
|
, mIsNormalDir(false)
|
||
|
|
, mIsAxialSize(false)
|
||
|
|
, mIsAxialVelocity(true)
|
||
|
|
, mNormalSpeed(1.0f)
|
||
|
|
,mShapeVisible(true)
|
||
|
|
{
|
||
|
|
mRandomSeed = GenerateRandomSeed( this );
|
||
|
|
mUpVector = Perpendicular(mDirection);
|
||
|
|
mUpVector.normalise();
|
||
|
|
|
||
|
|
mMinMaxRate.SetScalar(25.0f);
|
||
|
|
mMinMaxSizeX.SetScalar(3.0f);
|
||
|
|
mMinMaxSizeY.SetScalar(3.0f);
|
||
|
|
mMinMaxSizeZ.SetScalar(3.0f);
|
||
|
|
mMinMaxLiveTime.SetScalar(1.0f);
|
||
|
|
mMinMaxVelocityX.SetCurveState(Math::MinMaxCurve::RandomScalar);
|
||
|
|
mMinMaxVelocityY.SetCurveState(Math::MinMaxCurve::RandomScalar);
|
||
|
|
mMinMaxVelocityZ.SetCurveState(Math::MinMaxCurve::RandomScalar);
|
||
|
|
mMinMaxVelocityY.SetRandomScalar(Math::float2(5.0f,10.0f));
|
||
|
|
mMinMaxVelocityX.SetRandomScalar(Math::float2(-3.0f,3.0f));
|
||
|
|
mMinMaxVelocityZ.SetRandomScalar(Math::float2(-3.0f,3.0f));
|
||
|
|
mMinMaxColorR.SetRandomScalar(Math::float2(0.5f,0.5f));
|
||
|
|
mMinMaxColorG.SetRandomScalar(Math::float2(0.5f,0.5f));
|
||
|
|
mMinMaxColorB.SetRandomScalar(Math::float2(0.5f,0.5f));
|
||
|
|
mMinMaxColorA.SetRandomScalar(Math::float2(1.0f,1.0f));
|
||
|
|
|
||
|
|
Util::Array<Math::float2> _list;
|
||
|
|
Util::Array<bool> _type;
|
||
|
|
_list.Append(Math::float2(0,1));
|
||
|
|
_type.Append(true);
|
||
|
|
_type.Append(true);
|
||
|
|
mMinMaxColorA.SetCurveFromArray(_list,_type,_list,_type);
|
||
|
|
_list.Clear();
|
||
|
|
_list.Append(Math::float2(0,0.5));
|
||
|
|
mMinMaxColorB.SetCurveFromArray(_list,_type,_list,_type);
|
||
|
|
mMinMaxColorG.SetCurveFromArray(_list,_type,_list,_type);
|
||
|
|
mMinMaxColorR.SetCurveFromArray(_list,_type,_list,_type);
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
ParticleEmitter::~ParticleEmitter()
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::SetEnable(bool enable)
|
||
|
|
{
|
||
|
|
if ( mEnable != enable )
|
||
|
|
{
|
||
|
|
mEnable = enable;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
SizeT
|
||
|
|
ParticleEmitter::CalculateRequestedParticles(Timing::Time mCurFrameTime)
|
||
|
|
{
|
||
|
|
return _calculateRequestedParticles(mCurFrameTime);
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
SizeT
|
||
|
|
ParticleEmitter::_calculateRequestedParticles( Timing::Time timeElapsed )
|
||
|
|
{
|
||
|
|
SizeT requestedParticles = 0;
|
||
|
|
Timing::Time delayTime = mParentSystem->GetCorrectTime();
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
float fPreTime = 0.0f;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
if ( mEnable )
|
||
|
|
{
|
||
|
|
float percent = (float)mParentSystem->GetCurEmitTime();
|
||
|
|
Math::scalar rate = mMinMaxRate.Calculate(percent,Math::n_rand(0.0f,1.0f));
|
||
|
|
|
||
|
|
mRemainder += rate * (Math::scalar)timeElapsed;
|
||
|
|
requestedParticles = (SizeT)mRemainder;
|
||
|
|
|
||
|
|
mRemainder -= requestedParticles;
|
||
|
|
}
|
||
|
|
|
||
|
|
return requestedParticles;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_onActivate(void)
|
||
|
|
{
|
||
|
|
n_assert( !mIsActive );
|
||
|
|
mIsActive = true;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_onDeactivate(void)
|
||
|
|
{
|
||
|
|
n_assert( mIsActive );
|
||
|
|
mIsActive = false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_emit(Particle* particle,float percent)
|
||
|
|
{
|
||
|
|
mPersent = percent;
|
||
|
|
n_assert( particle );
|
||
|
|
_initParticlePosition(particle);
|
||
|
|
_initParticleDirection(particle);
|
||
|
|
_initParticleVelocity(particle);
|
||
|
|
_initParticleOrientation(particle);
|
||
|
|
_initParticleMass(particle);
|
||
|
|
_initParticleColour(particle);
|
||
|
|
_initParticleTextureCoords(particle);
|
||
|
|
_initParticleTimeToLive(particle);
|
||
|
|
_initParticleDimensions(particle);
|
||
|
|
_initParticleRotation(particle);
|
||
|
|
|
||
|
|
|
||
|
|
particle->mRandom0 = Math::n_rand(0, 1);
|
||
|
|
particle->mRandom1 = Math::n_rand(0, 1);
|
||
|
|
particle->mRandom2 = Math::n_rand(0, 1);
|
||
|
|
particle->mRandom3 = Math::n_rand(0, 1);
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticlePosition(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert( particle );
|
||
|
|
particle->mPosition = Math::float3(0.0f,0.0f,0.0f);
|
||
|
|
particle->mOrbitPositions.Clear();
|
||
|
|
if(mParentSystem->IsMoveWorldCoord())
|
||
|
|
{
|
||
|
|
particle->mPosition = mParentSystem->GetDerivedPosition();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleDirection(Particle* particle)
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleVelocity(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert( particle );
|
||
|
|
|
||
|
|
float veloX = mMinMaxVelocityX.Calculate(mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
|
||
|
|
if (mIsAxialVelocity)
|
||
|
|
{
|
||
|
|
|
||
|
|
float veloY = mMinMaxVelocityY.Calculate(mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
float veloZ = mMinMaxVelocityZ.Calculate(mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
particle->mDirection = Math::float3(veloX, veloY, veloZ);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
particle->mDirection = veloX;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mParentSystem->IsMoveWorldCoord())
|
||
|
|
{
|
||
|
|
particle->mDirection = particle->mDirection.transformVector(mParentSystem->GetWorldMatrix());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleOrientation(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert( particle );
|
||
|
|
if ( mMinOrientation != mMaxOrientation )
|
||
|
|
{
|
||
|
|
particle->mOrientation = Math::quaternion::slerp( mMinOrientation, mMaxOrientation,
|
||
|
|
Util::RandomNumberTable::Rand( IncreaseRandomSeed() ) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
particle->mOrientation = mMinOrientation;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleMass(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert( particle );
|
||
|
|
if ( mMinMass != mMaxMass )
|
||
|
|
{
|
||
|
|
particle->mMass = Util::RandomNumberTable::Rand( IncreaseRandomSeed(), mMinMass, mMaxMass );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
particle->mMass = mMinMass;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleColour(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert( particle );
|
||
|
|
|
||
|
|
float colorRand = Math::n_rand(0,1);
|
||
|
|
ubyte colorR = Math::n_scalartoByte(mMinMaxColorR.Calculate(mPersent,colorRand));
|
||
|
|
ubyte colorG = Math::n_scalartoByte(mMinMaxColorG.Calculate(mPersent,colorRand));
|
||
|
|
ubyte colorB = Math::n_scalartoByte(mMinMaxColorB.Calculate(mPersent,colorRand)) ;
|
||
|
|
ubyte colorA = Math::n_scalartoByte(mMinMaxColorA.Calculate(mPersent,colorRand));
|
||
|
|
|
||
|
|
particle->mColor = Math::Color32(colorR, colorG, colorB, colorA );
|
||
|
|
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleTextureCoords(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert( particle );
|
||
|
|
if ( mMinTexCoordIndex != mMaxTexCoordIndex )
|
||
|
|
{
|
||
|
|
float scale = Util::RandomNumberTable::Rand( IncreaseRandomSeed() );
|
||
|
|
particle->mTexCoordIndex = IndexT( mMinTexCoordIndex + scale * ( mMaxTexCoordIndex - mMinTexCoordIndex ) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
particle->mTexCoordIndex = mMinTexCoordIndex;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleTimeToLive(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert( particle );
|
||
|
|
|
||
|
|
particle->mTotalTimeToLive = mMinMaxLiveTime.Calculate(mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
|
||
|
|
particle->mTimeToLive = particle->mTotalTimeToLive;
|
||
|
|
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleDimensions(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert(particle);
|
||
|
|
|
||
|
|
float sizeX = mMinMaxSizeX.Calculate(mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
if (mIsAxialSize)
|
||
|
|
{
|
||
|
|
float sizeY = mMinMaxSizeY.Calculate(mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
float sizeZ = mMinMaxSizeZ.Calculate(mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
particle->mSize = Math::float3(sizeX, sizeY, sizeZ);
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
particle->mSize = Math::float3(sizeX, sizeX, sizeX);
|
||
|
|
}
|
||
|
|
particle->mInitSize = particle->mSize;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
ParticleEmitter::_initParticleRotation(Particle* particle)
|
||
|
|
{
|
||
|
|
n_assert(particle);
|
||
|
|
|
||
|
|
float zRotation = mMinMaxInitRotaion.Calculate( mPersent,Math::n_rand(0.0f,1.0f));
|
||
|
|
|
||
|
|
particle->mZRotation = zRotation * N_PI / 180;
|
||
|
|
}
|
||
|
|
//--------------------------------------------------------------------------------
|
||
|
|
void ParticleEmitter::_switchParticleType(bool _isMobile)
|
||
|
|
{
|
||
|
|
if(!_isMobile)
|
||
|
|
return;
|
||
|
|
_curveToConst(mMinMaxRate);
|
||
|
|
_curveToConst(mMinMaxVelocityX);
|
||
|
|
_curveToConst(mMinMaxVelocityY);
|
||
|
|
_curveToConst(mMinMaxVelocityZ);
|
||
|
|
_curveToConst(mMinMaxSizeX);
|
||
|
|
_curveToConst(mMinMaxLiveTime);
|
||
|
|
}
|
||
|
|
//--------------------------------------------------------------------------------
|
||
|
|
Math::MinMaxCurve* ParticleEmitter::getMinMaxCurve(ParticleCurveType pct)
|
||
|
|
{
|
||
|
|
switch(pct)
|
||
|
|
{
|
||
|
|
case Emitter_Rate:
|
||
|
|
return &mMinMaxRate;
|
||
|
|
case Emitter_VelocityX:
|
||
|
|
return &mMinMaxVelocityX;
|
||
|
|
case Emitter_VelocityY:
|
||
|
|
return &mMinMaxVelocityY;
|
||
|
|
case Emitter_VelocityZ:
|
||
|
|
return &mMinMaxVelocityZ;
|
||
|
|
case Emitter_ColorR:
|
||
|
|
return &mMinMaxColorR;
|
||
|
|
case Emitter_ColorG:
|
||
|
|
return &mMinMaxColorG;
|
||
|
|
case Emitter_ColorB:
|
||
|
|
return &mMinMaxColorB;
|
||
|
|
case Emitter_ColorA:
|
||
|
|
return &mMinMaxColorA;
|
||
|
|
case Emitter_Livetime:
|
||
|
|
return &mMinMaxLiveTime;
|
||
|
|
case Emitter_SizeX:
|
||
|
|
return &mMinMaxSizeX;
|
||
|
|
case Emitter_SizeY:
|
||
|
|
return &mMinMaxSizeY;
|
||
|
|
case Emitter_SizeZ:
|
||
|
|
return &mMinMaxSizeZ;
|
||
|
|
case Emitter_RotSpeed:
|
||
|
|
return &mMinMaxRotationSpeed;
|
||
|
|
case Emitter_InitRot:
|
||
|
|
return &mMinMaxInitRotaion;
|
||
|
|
default:
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|