genesis-3d_engine/Engine/addons/particles/targets/particleTrailTarget.h

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU

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#ifndef __PARTICLE_TRAIL_TARGET_H__
#define __PARTICLE_TRAIL_TARGET_H__
#include "particles/particle_fwd_decl.h"
#include "particles/particletarget.h"
#include "particles/particle.h"

namespace Particles
{
	class ParticleTrailTarget : public ParticleTarget
	{
		__DeclareSubClass(ParticleTrailTarget, ParticleTarget );

	public:
		ParticleTrailTarget();
		virtual ~ParticleTrailTarget();

		ParticleTarget::TargetType GetTargetType(void) const;

		void _updateParticle_Common( Particle* particle,IndexT t, ParticleVertexData* particleVertex, ushort* indicies , IndexT particleIndex, float v0 = 0.0f, float v1 = 1.0f );

		template<typename T>
		SizeT _updateTarget_Trail(GPtr<ParticlePool>& pool, ParticleVertexData* particleVertex, ushort* indicies, const T&  op );

		void _updateTarget(GPtr<ParticlePool>& pool, Timing::Time frameTime);

		bool _preparePrimitiveGroup(SizeT& verticesSizeInByte, SizeT& indicesSizeInByte);

		void SetMaxElements(SizeT _size);
		SizeT GetMaxElements() const;

		void SetTrailLength(float _length);
		float GetTrailLength() const;

		void SetAlphaLife(float _alphaLife);
		float GetAlphaLife() const;

		void SetAmplitude(float amplitude);
		float GetAmplitude() const;

		void SetWaveLength(float waveLength);
		float GetWaveLength() const;

		void SetAmplitudeLife(float life);
		float GetAmplitudeLife() const;

		virtual Math::MinMaxCurve* getMinMaxCurve(ParticleCurveType pct);

	private:
		SizeT				mMaxElements;
		float               mTrailLength;				
		Math::scalar		mAlphaLife;						
		Math::scalar		mAmplitude;					
		Math::scalar		mWaveLength;					
		Math::scalar		mAmplitudeLife;				

		Math::MinMaxCurve			mLineColorA;
		Math::MinMaxCurve			mLineColorR;
		Math::MinMaxCurve			mLineColorG;
		Math::MinMaxCurve			mLineColorB;

	public:

		// @ISerialization::GetVersion. when change storage, must add SerializeSVersion count
		virtual Serialization::SVersion GetVersion() const;

		// @ISerialization::Load 
		virtual void Load( Serialization::SVersion ver, Serialization::SerializeReader* pReader, const Serialization::SerializationArgs* args );

		// @ISerialization::Save
		virtual void Save( Serialization::SerializeWriter* pWriter ) const;

		// copy 
		virtual void CopyFrom( const ParticleTargetPtr& target );
	};
	//--------------------------------------------------------------------------------------
	inline void ParticleTrailTarget::SetMaxElements(SizeT _size)
	{
		mMaxElements = _size;
	}
	//--------------------------------------------------------------------------------------
	inline SizeT ParticleTrailTarget::GetMaxElements() const
	{
		return mMaxElements;
	}
	//--------------------------------------------------------------------------------------
	inline void ParticleTrailTarget::SetTrailLength(float _length)
	{
		mTrailLength = _length;
	}
	//--------------------------------------------------------------------------------------
	inline float ParticleTrailTarget::GetTrailLength() const
	{
		return mTrailLength;
	}
	//--------------------------------------------------------------------------------------
	inline void ParticleTrailTarget::SetAlphaLife(float _alphaLife)
	{
		mAlphaLife = Math::n_clamp(_alphaLife,0.0f,1.0f);
	}
	//---------------------------------------------------------------------------------------
	inline float ParticleTrailTarget::GetAlphaLife() const
	{
		return mAlphaLife;
	}
	//--------------------------------------------------------------------------------------
	inline void ParticleTrailTarget::SetAmplitude(float amplitude)
	{
		mAmplitude = amplitude;
	}
	//---------------------------------------------------------------------------------------
	inline float ParticleTrailTarget::GetAmplitude() const
	{
		return mAmplitude;
	}
	//--------------------------------------------------------------------------------------
	inline void ParticleTrailTarget::SetWaveLength(float waveLength)
	{
		mWaveLength = waveLength;
	}
	//---------------------------------------------------------------------------------------
	inline float ParticleTrailTarget::GetWaveLength() const
	{
		return mWaveLength;
	}
	//--------------------------------------------------------------------------------------
	inline void ParticleTrailTarget::SetAmplitudeLife(float life)
	{
		mAmplitudeLife = life;
	}
	//---------------------------------------------------------------------------------------
	inline float ParticleTrailTarget::GetAmplitudeLife() const
	{
		return mAmplitudeLife;
	}
}

#endif // __PARTICLE_RIBBON_TARGET_H__