2024-12-21 10:04:04 +08:00
# include "StdAfx.h"
# include "DnGravityOrbit.h"
# include "DnProjectile.h"
# include "DnWorld.h"
const EtVector3 CDnGravityOrbitCalculator : : GRAVITY ( 0.0f , - 980.0f , 0.0f ) ;
CDnGravityOrbit : : CDnGravityOrbit ( const S_PROJECTILE_PROPERTY * pProjectileInfo ) : m_vStartPos ( 0.0f , 0.0f , 0.0f ) ,
m_vDirectionWhenCreate ( 0.0f , 0.0f , 0.0f ) ,
m_vInitialSpeed ( 0.0f , 0.0f , 0.0f ) ,
m_vTargetPosition ( 0.0f , 0.0f , 0.0f ) ,
m_fProjectileOrbitRotateZDegree ( 0.0f ) ,
m_bFirstProcess ( true ) ,
m_fElapsedTime ( 0.0f )
{
m_fProjectileOrbitRotateZDegree = pProjectileInfo - > fProjectileOrbitRotateZ ;
}
CDnGravityOrbit : : ~ CDnGravityOrbit ( void )
{
}
void CDnGravityOrbit : : Initialize ( const MatrixEx & Cross , const MatrixEx & OffsetCross )
{
m_vStartPos = Cross . m_vPosition ;
m_vDirectionWhenCreate = Cross . m_vZAxis ;
EtVec3Normalize ( & m_vDirectionWhenCreate , & Cross . m_vZAxis ) ;
}
void CDnGravityOrbit : : ProcessOrbit ( /*IN OUT*/ MatrixEx & Cross , EtVector3 & vPrevPos , LOCAL_TIME LocalTime , float fDelta )
{
// <20> ѱ<EFBFBD> 2009.7.22
// <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ÿ<EFBFBD> <C5B8> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> .. (#4851)
// Catmullrom <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ϴ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> ƴ϶<C6B4> <20> ߷°<DFB7> <C2B0> ӵ<EFBFBD> <D3B5> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <C7B5> <EFBFBD> <20> ٲ<EFBFBD> .
// 2<> <32> <20> <EFBFBD> <EEBCB1> <EFBFBD> <EFBFBD> ó<> <C3B3> ..
if ( m_bFirstProcess )
{
// Note: distance <20> <> Ŭ<> <C5AC> <EFBFBD> ̾<EFBFBD> Ʈ<EFBFBD> <C6AE> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ÿ<EFBFBD> <C5B8> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ǵ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> ̰<EFBFBD> direction<6F> <6E> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ǵ<EFBFBD> ȸ<> <C8B8> <EFBFBD> <EFBFBD> <EFBFBD> ̶<EFBFBD> <CCB6> <EFBFBD>
// <20> ణ<EFBFBD> <E0B0A3> <20> ð<EFBFBD> <C3B0> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <EFBFBD> <DEB6> <EFBFBD> <20> <> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ÿ<EFBFBD> <C5B8> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ǵ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> direction <20> <> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> Ѵ <EFBFBD> .
// <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ÿ<EFBFBD> <C5B8> <EFBFBD> <EFBFBD> Ŭ<> <C5AC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> Ƽ <DEBE> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ϲ <CFB9> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ̷<EFBFBD> <CCB7> <EFBFBD> <20> ؾ<EFBFBD> Ŭ<> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ϰ<EFBFBD> <20> Ǿ<EFBFBD> Ʋ<> <C6B2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ʴ´ <CAB4> .
// #37334 <20> <> <EFBFBD> ϰ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ִ<EFBFBD> <20> <> <EFBFBD> ̰<EFBFBD> <CCB0> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> ǥ<EFBFBD> <C7A5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> ִ<EFBFBD> .
// <20> <EFBFBD> <D7B7> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> ߸<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> ..
//if( m_vTargetPosition.y - m_vStartPos.y <= 0.0f )
// m_vTargetPosition.y += 50.0f; // ij<> <C4B3> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ؼ<EFBFBD> <20> <> <20> <> <20> ÷<EFBFBD> <C3B7> <EFBFBD> .
EtVector3 vDistance = m_vTargetPosition - m_vStartPos ;
// <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Direction<6F> <6E> xz <20> <> ȣ <EFBFBD> <C8A3> <20> <> ġ<EFBFBD> ؾ߸<D8BE> <20> <> ...
bool bXValid = ( vDistance . x < 0.0f & & m_vDirectionWhenCreate . x < 0.0f | | vDistance . x > = 0.0f & & m_vDirectionWhenCreate . x > = 0.0f ) ;
bool bZValid = ( vDistance . z < 0.0f & & m_vDirectionWhenCreate . z < 0.0f | | vDistance . z > = 0.0f & & m_vDirectionWhenCreate . z > = 0.0f ) ;
bool bValidDirection = bXValid & & bZValid ;
if ( 0.0f = = m_vDirectionWhenCreate . y )
m_vDirectionWhenCreate . y = 0.1f ;
// <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> direction <20> <> <20> <> <EFBFBD> <EFBFBD> <20> <> <20> ̹<EFBFBD> <CCB9> ϰ<EFBFBD> <20> <> ȣ <EFBFBD> <C8A3> <20> <EFBFBD> <DEB6> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> 찡 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> direction <20> <> <20> <> <EFBFBD> <EFBFBD> <F3B0A1B5> <EFBFBD> ó<> <C3B3> .
if ( false = = bXValid )
{
if ( m_vDirectionWhenCreate . x < 0.0f & & vDistance . x > = 0.0f | |
m_vDirectionWhenCreate . x > = 0.0f & & vDistance . x < 0.0f )
vDistance . x * = - 1.0f ;
}
else
if ( false = = bZValid )
{
if ( m_vDirectionWhenCreate . z < 0.0f & & vDistance . z > = 0.0f | |
m_vDirectionWhenCreate . z > = 0.0f & & vDistance . z < 0.0f )
vDistance . z * = - 1.0f ;
}
// <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ⸸ŭ <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> ü<EFBFBD> <C3BC> Ű<EFBFBD> <C5B0> 0.5*Gt^2 + c <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ð<EFBFBD> <C3B0> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD>
float fSlope = 0.0f ;
float fC = - vDistance . y ;
// ij<> <C4B3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> 찡 <20> ֳ<EFBFBD> OTL
_ASSERT ( m_vDirectionWhenCreate . x ! = 0.0f | | m_vDirectionWhenCreate . z ! = 0.0f ) ;
if ( m_vDirectionWhenCreate . x = = 0.0f & & m_vDirectionWhenCreate . z = = 0.0f )
m_vDirectionWhenCreate . x = m_vDirectionWhenCreate . z = 0.1f ;
bool bUseX = true ;
if ( 0.0f ! = m_vDirectionWhenCreate . x )
{
fSlope = m_vDirectionWhenCreate . y / m_vDirectionWhenCreate . x ;
fC + = vDistance . x * fSlope ;
}
else
{
fSlope = m_vDirectionWhenCreate . y / m_vDirectionWhenCreate . z ;
fC + = vDistance . z * fSlope ;
bUseX = false ;
}
float fA = 0.5f * CDnGravityOrbitCalculator : : GRAVITY . y ;
float fD = - 4.0f * fA * fC ;
// <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> Ǵ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȯ<> <C8AE> <EFBFBD> غ<EFBFBD> <D8BA> <EFBFBD> . -_-
if ( fD < 0.0f )
fD * = - 1.0f ;
//_ASSERT( fD >= 0.0f );
float fEstimateElapseTime = sqrtf ( fD ) / ( 2.0f * fA ) ;
// <20> ð<EFBFBD> <C3B0> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD>
if ( fEstimateElapseTime < 0.0f )
fEstimateElapseTime * = - 1.0f ;
float fPower = 0.0f ;
if ( bUseX )
fPower = vDistance . x / ( m_vDirectionWhenCreate . x * fEstimateElapseTime ) ;
else
fPower = vDistance . z / ( m_vDirectionWhenCreate . z * fEstimateElapseTime ) ;
m_vInitialSpeed = m_vDirectionWhenCreate * fPower ;
m_bFirstProcess = false ;
}
// <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> ӵ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> ȭ <20> <> Ų <20> Ͱ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> .
EtVector3 vNowDir = m_vInitialSpeed + m_fElapsedTime * CDnGravityOrbitCalculator : : GRAVITY ;
EtVector3 vDelta = 0.5f * CDnGravityOrbitCalculator : : GRAVITY * ( m_fElapsedTime * m_fElapsedTime ) + m_vInitialSpeed * m_fElapsedTime ;
// <20> <> <EFBFBD> <EFBFBD> <20> <> ü<EFBFBD> <C3BC> ȸ<> <C8B8> <EFBFBD> Ǵ<EFBFBD> <20> ɼ<EFBFBD> <C9BC> <EFBFBD> <20> ߰<EFBFBD> <DFB0> <EFBFBD> . (#15056)
// <20> <> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DestPosition <20> <> <EFBFBD> <EFBFBD> <20> س<EFBFBD> <D8B3> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> س<EFBFBD> <D8B3> ٸ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> ȸ<> <C8B8> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ʰ<EFBFBD> x, z <20> ״<EFBFBD> <D7B4> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> .
// <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> , 90<39> <30> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 90<39> <30> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> ƴ<EFBFBD> . <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> x, z <20> <> <EFBFBD> <EFBFBD> <20> ״<EFBFBD> <D7B4> <EFBFBD> <20> ̹Ƿ<CCB9> ...
if ( 0.0f ! = m_fProjectileOrbitRotateZDegree )
{
EtMatrix matRotZ ;
EtVector3 vCharViewXZ ( m_vDirectionWhenCreate . x , 0.0f , m_vDirectionWhenCreate . z ) ;
EtVec3Normalize ( & vCharViewXZ , & vCharViewXZ ) ;
EtMatrixRotationAxis ( & matRotZ , & vCharViewXZ , D3DXToRadian ( m_fProjectileOrbitRotateZDegree ) ) ;
EtVec3TransformNormal ( & vDelta , & vDelta , & matRotZ ) ;
EtVec3TransformNormal ( & vNowDir , & vNowDir , & matRotZ ) ;
}
//
EtVector3 vNowPos = m_vStartPos + vDelta ;
EtVec3Normalize ( & vNowDir , & vNowDir ) ;
if ( EtVec3LengthSq ( & vNowDir ) ! = 0.0f )
Cross . m_vZAxis = vNowDir ;
Cross . m_vPosition = vNowPos ;
Cross . MakeUpCartesianByZAxis ( ) ;
m_fElapsedTime + = fDelta ;
}
# ifndef _GAMESERVER
//////////////////////////////////////////////////////////////////////////
bool CDnGravityOrbitCalculator : : CalcHitGroundPos ( MatrixEx Cross , const EtVector3 & vShootPos , const float fInitialSpeed ,
const EtVector3 & vInitialDir , EtVector3 & vGroundHitPosition )
{
bool bResult = false ;
// <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> ϸ<EFBFBD> <20> Ƴ<EFBFBD> <C6B3> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ѵ <EFBFBD> .
// <20> ӵ<EFBFBD> <D3B5> <EFBFBD> 0<> <30> <20> Ǵ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> .
EtVector3 vFallingStartPos ( 0.0f , 0.0f , 0.0f ) ;
// y <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ӵ<EFBFBD> <D3B5> <EFBFBD> 0<> <30> <20> Ǵ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ð<EFBFBD> <C3B0> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> .
float fFallingStartTime = ( - fInitialSpeed * vInitialDir . y ) / GRAVITY . y ;
// <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <EFBFBD> ü <20> <> ġ <20> <> <EFBFBD> <EFBFBD> ..
vFallingStartPos = ( fInitialSpeed * vInitialDir * fFallingStartTime + ( ( GRAVITY * fFallingStartTime * fFallingStartTime ) / 2.0f ) ) ;
Cross . m_vPosition = vShootPos ; // vShootPos <20> <> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǥ <20> <> <EFBFBD> <EFBFBD> .
Cross . MoveLocalYAxis ( vFallingStartPos . y ) ; // vFallingStartPos <20> <> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǥ <20> <> <EFBFBD> <EFBFBD> . <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> ̵<EFBFBD> <CCB5> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> ġ <20> <> <EFBFBD> <EFBFBD> .
Cross . MoveLocalZAxis ( vFallingStartPos . z ) ;
Cross . MoveLocalXAxis ( vFallingStartPos . x ) ;
EtVector3 vPrevPos = Cross . m_vPosition ;
// <20> ش<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> ε<EFBFBD> <CEB5> <EFBFBD> <EFBFBD> <EFBFBD> Ȯ<> <C8AE> ..
float fTimeDelta = 1.0f / 20.0f ;
float fElapsedTime = fFallingStartTime ;
while ( true )
{
fElapsedTime + = fTimeDelta ;
EtVector3 vNowPos = ( fInitialSpeed * vInitialDir * fElapsedTime + ( ( GRAVITY * fElapsedTime * fElapsedTime ) / 2.0f ) ) ;
Cross . m_vPosition = vShootPos ;
Cross . MoveLocalYAxis ( vNowPos . y ) ;
Cross . MoveLocalZAxis ( vNowPos . z ) ;
Cross . MoveLocalXAxis ( vNowPos . x ) ;
EtVector3 vDir = Cross . m_vPosition - vPrevPos ;
EtVec3Normalize ( & vDir , & vDir ) ;
EtVector3 vPickPos ;
float fHeight = CDnWorld : : GetInstance ( ) . GetHeight ( Cross . m_vPosition ) ;
if ( Cross . m_vPosition . y < = fHeight )
{
if ( CDnWorld : : GetInstance ( ) . Pick ( vPrevPos , vDir , vPickPos ) = = true )
{
vGroundHitPosition = vPickPos ;
bResult = true ;
break ;
}
}
// <20> <> <EFBFBD> <EFBFBD> <20> ð<EFBFBD> <C3B0> <EFBFBD> <20> Ѿ<D1BE> <EEB0A1> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ϰ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> .
if ( 5.0f < fElapsedTime )
{
// <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> 浹<EFBFBD> Ǵ<EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <20> <> ġ<EFBFBD> <C4A1> y <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ϴ<EFBFBD> <20> <> ġ<EFBFBD> <C4A1> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ش<EFBFBD> .
float fYPosZeroTime = - 2.0f * ( fInitialSpeed * vInitialDir . y ) / GRAVITY . y ;
EtVector3 vYPosZero = ( fInitialSpeed * vInitialDir * fYPosZeroTime + ( ( GRAVITY * fYPosZeroTime * fYPosZeroTime ) / 2.0f ) ) ;
Cross . m_vPosition = vShootPos ;
Cross . MoveLocalYAxis ( vYPosZero . y ) ;
Cross . MoveLocalZAxis ( vYPosZero . z ) ;
Cross . MoveLocalXAxis ( vYPosZero . x ) ;
vGroundHitPosition = Cross . m_vPosition ;
break ;
}
vPrevPos = Cross . m_vPosition ;
}
return bResult ;
}
# endif
