143 lines
3.5 KiB
C++
143 lines
3.5 KiB
C++
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#include "Stdafx.h"
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#include "DnCalcCatmullrom.h"
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void CDnCalcCatmullRom::Init( EtVector3& v0, EtVector3& v1, EtVector3& v2, EtVector3& v3, LOCAL_TIME nRemainTime, LOCAL_TIME nCurTime )
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{
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m_v0 = v0;
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m_v1 = v1;
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m_v2 = v2;
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m_v3 = v3;
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m_vPrevPos = m_vCurPos = m_v0;
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m_nRemainTime = nRemainTime;
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m_nLastTime = nCurTime;
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m_nLocalTime = nCurTime;
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m_fLastMoveValue = 0.0f;
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}
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void CDnCalcCatmullRom::GetInfo( OUT EtVector3& v0, OUT EtVector3& v1, OUT EtVector3& v2, OUT EtVector3& v3, OUT LOCAL_TIME& nRemainTime, OUT LOCAL_TIME& nCurTime )
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{
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v0 = m_v0;
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v1 = m_v1;
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v2 = m_v2;
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v3 = m_v3;
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nRemainTime = m_nRemainTime;
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nCurTime = m_nLastTime;
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}
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float CDnCalcCatmullRom::CalcWeight(float fMin, float fMax, float fValue )
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{
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if ( fMin >= fValue )
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return 0.0f;
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if ( fMax <= fValue )
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return 1.0f;
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float f = fMax - fMin;
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float ff = f / 100.0f;
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float n = (fValue - fMin) / ff;
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return n / 100.0f;
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}
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void CDnCalcCatmullRom::Process( LOCAL_TIME nTime )
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{
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// TODO: <20>Ÿ<EFBFBD><C5B8><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>ư<EFBFBD><C6B0><EFBFBD> <20><><EFBFBD><EFBFBD> <20>ʴ<EFBFBD> 10<31><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>ִ<EFBFBD> <20><><EFBFBD>Ӽ<EFBFBD><D3BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// GetWeight() <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1.0f <20><> <20>ѹ<EFBFBD><D1B9><EFBFBD> <20>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD> EtVec3Catmullrom() <20>ѹ<EFBFBD><D1B9><EFBFBD>
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// ȣ<><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ʰ<EFBFBD> else {} <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20>־ <20><EFBFBD>ü<EFBFBD><C3BC> <20><><EFBFBD>ڸ<EFBFBD><DAB8><EFBFBD> <20>ְ<EFBFBD> <20>ȴ<EFBFBD>.
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// <20><EFBFBD> <20><><EFBFBD>쿣 <20>ð<EFBFBD> delta <20><><EFBFBD><EFBFBD> 2<><32> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ι<EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20>ۿ<EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><><EFBFBD>Ӽ<EFBFBD><D3BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>ϸ<EFBFBD> <20><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>εɶ<CEB5> <20>߰<EFBFBD> <20>۾<EFBFBD><DBBE>Ѵ<EFBFBD>.
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m_nLocalTime = nTime;
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float fWeight = GetWeight();
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m_vPrevDir = m_vCurDir;
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m_vPrevPos = m_vCurPos;
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// <20><><EFBFBD>߰<EFBFBD><DFB0><EFBFBD>
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float s = 0.0f;
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if ( fWeight <= 0.34f )
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{
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s = CalcWeight(0.0f, 0.34f, fWeight);
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EtVec3CatmullRom(&m_vCurPos, &m_v0, &m_v0, &m_v1, &m_v2, s);
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}
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else if ( fWeight > 0.34f && fWeight <= 0.67f )
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{
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s = CalcWeight(0.34f, 0.67f, fWeight);
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EtVec3CatmullRom(&m_vCurPos, &m_v0, &m_v1, &m_v2, &m_v3, s);
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}
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else if ( fWeight > 0.67f && fWeight <= 1.0f )
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{
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s = CalcWeight(0.67f, 1.0f, fWeight);
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EtVec3CatmullRom(&m_vCurPos, &m_v1, &m_v2, &m_v3, &m_v3, s);
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}
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else
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{
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//EtVector3 v = m_vCurPos - m_vPrevPos;
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m_vCurPos += m_vCurDir * m_fLastMoveValue ;
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//m_vCurPos += v;
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}
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EtVector3 v = m_vCurPos - m_vPrevPos;
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m_fLastMoveValue = EtVec3Length(&v);
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EtVec3Normalize(&v, &v);
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m_vCurDir = v;
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}
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float CDnCalcCatmullRom::GetWeight()
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{
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LOCAL_TIME nElapsed = m_nLocalTime - m_nLastTime;
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float fWeight = float(nElapsed)/float(m_nRemainTime);
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return fWeight;
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}
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CDnHoming::CDnHoming()
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{
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m_LocalTime = 0;
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m_CreateTime = 0;
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m_LifeTime = 0;
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}
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CDnHoming::~CDnHoming()
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{
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}
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void CDnHoming::Init( LOCAL_TIME RemainTime, LOCAL_TIME CurTime, EtVector3 &StartVector, EtVector3 &EndVector, EtVector3 &ViewVec )
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{
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m_CreateTime = CurTime;
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m_LifeTime = RemainTime;
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m_StartVec = StartVector;
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m_EndVec = EndVector;
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m_ViewVec = ViewVec;
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}
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EtVector3 CDnHoming::GetPos()
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{
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EtVector3 res;
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LOCAL_TIME dwTime = ( m_LocalTime - m_CreateTime );
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if( dwTime > m_LifeTime ) dwTime = m_LifeTime;
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LOCAL_TIME dwMaxTime = m_LifeTime;
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EtVector3 Accel = ( 2.f / (float)( dwMaxTime * dwMaxTime ) ) * ( m_EndVec - m_StartVec - ( (float)dwMaxTime * m_ViewVec ) );
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res = m_StartVec + ( (float)dwTime * m_ViewVec ) + ( ( 0.5f * ( dwTime * dwTime ) ) * Accel );
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return res;
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}
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EtVector3 CDnHoming::GetVVec()
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{
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EtVector3 res;
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LOCAL_TIME dwTime = ( m_LocalTime - m_CreateTime );
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if( dwTime > m_LifeTime ) dwTime = m_LifeTime;
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LOCAL_TIME dwMaxTime = m_LifeTime;
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res = m_ViewVec + dwTime * ( 2.f / (float)( dwMaxTime * dwMaxTime ) ) * ( m_EndVec - m_StartVec - ( (float)dwMaxTime * m_ViewVec ) );
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return res;
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}
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float CDnHoming::GetWeight()
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{
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LOCAL_TIME dwTime = ( m_LocalTime - m_CreateTime );
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return ( 1.f / m_LifeTime ) * dwTime;
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}
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