129 lines
4.4 KiB
C++
129 lines
4.4 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "particleScaleAffector.h"
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#include "particles/particleaffector.h"
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#include "particles/particlesystem.h"
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#include "particles/particle.h"
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namespace Particles
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{
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using namespace Math;
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__ImplementClass(Particles::ScaleAffector, CPFCC::AFFECTOR_SCALE, Particles::ParticleAffector);
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//-----------------------------------------------------------------------
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ScaleAffector::ScaleAffector(void) : ParticleAffector()
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, mIsAxialScale(false)
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{
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mAffectType = AT_Scale;
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mScaleX.SetScalar(1.0f);
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mScaleY.SetScalar(1.0f);
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mScaleZ.SetScalar(1.0f);
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mName = "ScaleAffector";
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}
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//-----------------------------------------------------------------------
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void ScaleAffector::_affect(Particle* particle)
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{
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if( !GetEnable())
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return;
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float percent = particle->mTimeFraction;
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Math::float3 particleSize(mScaleX.Calculate(percent,particle->mRandom0),
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mScaleY.Calculate(percent,particle->mRandom1),
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mScaleZ.Calculate(percent,particle->mRandom2) );
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if(!mIsAxialScale)
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{
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particleSize.y() = particleSize.x();
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particleSize.z() = particleSize.x();
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}
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particle->mSize = particle->mInitSize * particleSize;
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}
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//-------------------------------------------------------------------------------
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void ScaleAffector::SetShaderParam()
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{
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Graphic::GlobalMaterialParam* pGMP = Graphic::Material::GetGlobalMaterialParams();
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Math::float4 _shaderPar = pGMP->GetVectorParam(Graphic::eGShaderParticleForce);
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_shaderPar.w() = mShaderParam;
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pGMP->SetVectorParam(Graphic::eGShaderParticleForce,_shaderPar);
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}
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void ScaleAffector::InitShaderParam()
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{
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mShaderParam = mScaleX.Calculate(0,Math::n_rand(0,1));
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}
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//--------------------------------------------------------------------------------
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void ScaleAffector::SetShaderMask(const GPtr<ShaderProgramCompiler::ShaderMarcro>& pMarcro)
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{
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if(!GetEnable())
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return;
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pMarcro->TurnOn(ShaderProgramCompiler::ShaderMarcro::m_sParticleScale);
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}
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//--------------------------------------------------------------------------------
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Math::MinMaxCurve* ScaleAffector::getMinMaxCurve(ParticleCurveType pct)
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{
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switch(pct)
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{
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case Affector_ScaleX:
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return &mScaleX;
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case Affector_ScaleY:
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return &mScaleY;
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case Affector_ScaleZ:
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return &mScaleZ;
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default:
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return Super::getMinMaxCurve(pct);
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}
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}
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//---------------------------------------------------------------------------------
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void ScaleAffector::_switchParticleType(bool _isMobile)
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{
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if(!_isMobile)
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{
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Util::Array<Math::float2> _list;
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Util::Array<bool> _type;
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_type.Append(true);
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_type.Append(true);
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Math::MinMaxCurve* curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_SizeX);
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_list.Append(Math::float2(0,curve->Calculate(0)));
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_list.Append(Math::float2(1,mScaleX.Calculate(0)));
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mScaleX.SetCurveFromArray(_list,_type,_list,_type);
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mScaleY.SetCurveFromArray(_list,_type,_list,_type);
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mScaleZ.SetCurveFromArray(_list,_type,_list,_type);
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return;
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}
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Math::MinMaxCurve* curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_SizeX);
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curve->SetCurveState(MinMaxCurve::Scalar);
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curve->SetScalar(mScaleX.Calculate(0));
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float size = mScaleX.Calculate(1);
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mScaleX.SetCurveState(MinMaxCurve::Scalar);
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mScaleX.SetScalar(size);
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}
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}
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