/// ------------------------------------------------ //
/// [4/18/2014 jianglei.kinly]
/// 扇形
/// ------------------------------------------------ //
xObjectSet XGameMap::CaptureObjectBySector( const XVector3& vCenter, const XVector3& vDir, xgc_uint32 dwRadius, xgc_uint16 wAngle, const std::function< xgc_bool( xObject ) > &fnFilter/* = xgc_nullptr*/ )
{
// 计算旋转向量
XVector3 vRotate = vDir.RotateZ( DEG2RAD( wAngle / 2 ) );
xgc_real32 fDotValue = vDir.DotProduct( vRotate );
auto fn = [&]( xObject hObject )->xgc_bool {
if( xgc_nullptr == fnFilter || fnFilter( hObject ) )
{
XGameObject* pObj = ObjectCast<XGameObject>( hObject );
XGC_ASSERT_RETURN( pObj, false );
XVector3 vDistance = pObj->GetPosition() - vCenter;
if( vDistance.SqurLength() > dwRadius * dwRadius * 1.0f )
return false;
if( vDir.DotProduct( vDistance ) < fDotValue )
return false;
return true;
}
return false;
};
iRect rc(
WorldToArea( vCenter.x - dwRadius, vCenter.y - dwRadius ),
WorldToArea( vCenter.x + dwRadius, vCenter.y + dwRadius ) );
return FetchObject( rc, fn );
}
//---------------------------------------------------//
// [8/4/2009 Albert]
// Description: 清除路径点
//---------------------------------------------------//
void CDynamicObject::BeginPathPoint()
{
if( m_hUpdateTimer != INVALID_TIMER_HANDLE )
{
unsigned int release_time = ThisTimer()->remove_event( m_hUpdateTimer );
m_hUpdateTimer = INVALID_TIMER_HANDLE;
if( release_time > 0 )
{
// 计算向量
XVector3 Vec = m_vNextPosition - GetPosition();
Vec.NormalizeFast();
// 剩余了多少距离
Vec *= release_time/1000.0f;
// 下此更新坐标和剩余距离的差值则为当前的位置
m_vNextPosition -= Vec;
CGameMap* pScene = static_cast< CGameMap* >( CXObjectPool::GetInstance().GetObj( GetParent(), TypeGameMap ) );
if( pScene )
{
if( pScene->DynamicMoveTo( this, m_vNextPosition, false ) )
{
OnStep( m_vNextPosition );
}
}
}
}
m_PointList.clear();
}
//---------------------------------------------------//
// [8/5/2009 Albert]
// Description: 移动定时器
//---------------------------------------------------//
bool CDynamicObject::UpdateTimer( unsigned int handle, unsigned short& repeat, unsigned int& timer )
{
repeat = 1;
timer = TIMER_SECONDS(1.0f);
// 先移动到当前所在的位置.
CGameMap* pScene = static_cast< CGameMap* >( CXObjectPool::GetInstance().GetObj( GetParent(), TypeGameMap ) );
if( pScene )
{
if( pScene->DynamicMoveTo( this, m_vNextPosition, false ) )
{
//CLogger::GetInstance(_T("Log"))->WriteLog( _T("角色[%08x]移动到路点[%f,%f,%f]")
// , GetObjID()
// , m_vNextPosition[0], m_vNextPosition[1], m_vNextPosition[2] );
OnStep( m_vNextPosition );
}
else
{
OnArrived( m_vNextPosition );
return true;
}
}
else
{
m_hUpdateTimer = INVALID_TIMER_HANDLE;
return true;
}
// 计算下一个点
if( m_PointList.empty() )
{
m_hUpdateTimer = INVALID_TIMER_HANDLE;
OnArrived( m_vNextPosition );
return true;
}
const PathPoint& target = m_PointList.front();
XVector3 Vec = target.vPosition - m_vNextPosition;
float distance = Vec.SqurLength();
float fSpeed = target.fSpeed;
if( distance < fSpeed*fSpeed )
{
// 当前坐标到目标点的距离小于速度值
m_vNextPosition = target.vPosition;
float t = XMath::Sqrt( distance )/fSpeed;
timer = TIMER_SECONDS(t);
m_PointList.pop_front();
}
else
{
Vec.NormalizeFast();
Vec *= fSpeed;
m_vNextPosition += Vec;
}
return false;
}
/// ------------------------------------------------ //
/// [4/25/2014 jianglei.kinly]
/// 方向矩形（subCenter）
/// ------------------------------------------------ //
xObjectSet XGameMap::CaptureObjectByRectangle( const XVector3& vCenter, const XVector3& vDir, xgc_uint32 dwRadiusMax, xgc_uint32 dwRadiusMin, const std::function< xgc_bool( xObject ) > &fnFilter/* = xgc_nullptr*/ )
{
/*
0,0
-------------------------------x
|
| ------
| / /
| / /
| ---|--
| subCenter
| 斜线是dir的方向，dwRadiusMax
| 横线是dwRadiusMin
y
*/
// 取中心点坐标
XVector3 newDirect = vDir * ( dwRadiusMax * 1.0f );
XVector3 newCenter = vCenter + newDirect;
// 取对角线直径
xgc_uint32 dwDiameter = xgc_uint32( XMath::Sqrt( XMath::Pow( 1.0f * dwRadiusMax, 2.0f ) + XMath::Pow( 1.0f * dwRadiusMin, 2.0f ) ) );
auto fn = [&]( xObject hObject )->xgc_bool {
if( xgc_nullptr == fnFilter || fnFilter( hObject ) )
{
XGameObject* pObj = ObjectCast<XGameObject>( hObject );
XGC_ASSERT_RETURN( pObj, false );
// 取我和目标连线的向量
XVector3 subVec = pObj->GetPosition() - vCenter;
// 判断夹角（我的朝向点乘我和目标连线的向量 > 0 代表夹角在0-90范围内）
auto fTemp = vDir.DotProduct( subVec );
if( fTemp < 0 )
return false;
// 找两个投影，判断是否在方向矩形内
XVector3 vecy = vDir * fTemp;
XVector3 vecx = subVec - vecy;
return !( vecy.Length() > dwRadiusMax || vecx.Length() > dwRadiusMin / 2 );
}
return false;
};
iRect rc(
WorldToArea( vCenter.x - dwDiameter / 2, vCenter.y - dwDiameter / 2 ),
WorldToArea( vCenter.x + dwDiameter / 2, vCenter.y + dwDiameter / 2 ) );
return FetchObject( rc, fn );
}
XQuaternion::XQuaternion(
const XVector3& Axis,
f32 Angle
)
{
ASSERTMSG( Axis.Magnitude() == 1.0f,
"This function requires the vector to be normalized upon entry." );
ASSERT( ((const __m128)Axis).m128_f32[ 3 ] == 0.0f );
const __m128 xSin = Axis * Angle::Sin( Angle );
const __m128 xCos = _mm_set_ss( Angle::Cos( Angle ) );
m_Vector = _mm_or_ps( xSin, xCos );
}
