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C++ Sphere::Center方法代码示例

本文整理汇总了C++中Sphere::Center方法的典型用法代码示例。如果您正苦于以下问题：C++ Sphere::Center方法的具体用法？C++ Sphere::Center怎么用？C++ Sphere::Center使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Sphere的用法示例。


在下文中一共展示了Sphere::Center方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: TestIntersection

bool Mgc::TestIntersection (const Line3& rkLine, const Sphere& rkSphere)

{

    Real fSqrDist = SqrDistance(rkSphere.Center(),rkLine);

    return fSqrDist <= rkSphere.Radius()*rkSphere.Radius();

}
开发者ID:jason-amju，项目名称:amjulib，代码行数:9，代码来源:MgcIntr3DLinSphr.cpp

示例2: ContSphereOfAABB

Sphere Mgc::ContSphereOfAABB (int iQuantity, const Vector3* akPoint)

{

    Vector3 kMin = akPoint[0], kMax = kMin;

    for (int i = 1; i < iQuantity; i++)

    {

        if ( akPoint[i].x < kMin.x )

            kMin.x = akPoint[i].x;

        else if ( akPoint[i].x > kMax.x )

            kMax.x = akPoint[i].x;



        if ( akPoint[i].y < kMin.y )

            kMin.y = akPoint[i].y;

        else if ( akPoint[i].y > kMax.y )

            kMax.y = akPoint[i].y;



        if ( akPoint[i].z < kMin.z )

            kMin.z = akPoint[i].z;

        else if ( akPoint[i].z > kMax.z )

            kMax.z = akPoint[i].z;

    }



    Sphere kSphere;

    kSphere.Center() = 0.5f*(kMax + kMin);

    Vector3 kHalfDiagonal = 0.5f*(kMax - kMin);

    kSphere.Radius() = kHalfDiagonal.Length();



    return kSphere;

}
开发者ID:jason-amju，项目名称:amjulib，代码行数:55，代码来源:MgcCont3DSphere.cpp

示例3: MergeSpheres

//----------------------------------------------------------------------------
Sphere Mgc::MergeSpheres (const Sphere& rkSphere0, const Sphere& rkSphere1)
{
    Vector3 kCDiff = rkSphere1.Center() - rkSphere0.Center();
    Real fLSqr = kCDiff.SquaredLength();
    Real fRDiff = rkSphere1.Radius() - rkSphere0.Radius();
    Real fRDiffSqr = fRDiff*fRDiff;

    if ( fRDiffSqr >= fLSqr )
        return ( fRDiff >= 0.0f ? rkSphere1 : rkSphere0 );

    Real fLength = Math::Sqrt(fLSqr);
    const Real fTolerance = 1e-06f;
    Sphere kSphere;

    if ( fLength > fTolerance )
    {
        Real fCoeff = (fLength + fRDiff)/(2.0f*fLength);
        kSphere.Center() = rkSphere0.Center() + fCoeff*kCDiff;
    }
    else
    {
        kSphere.Center() = rkSphere0.Center();
    }

    kSphere.Radius() = 0.5f*(fLength + rkSphere0.Radius() +
        rkSphere1.Radius());

    return kSphere;
}
开发者ID:OpenXRay，项目名称:xray，代码行数:30，代码来源:MgcCont3DSphere.cpp

示例4: Culled

//----------------------------------------------------------------------------
bool Mgc::Culled (const Plane& rkPlane, const Sphere& rkSphere,
    bool bUnitNormal)
{
    Vector3 kNormal = rkPlane.Normal();
    Real fConstant = rkPlane.Constant();
    if ( !bUnitNormal )
    {
        Real fLength = kNormal.Unitize();
        fConstant /= fLength;
    }

    Real fTmp = kNormal.Dot(rkSphere.Center()) - fConstant;
    return fTmp <= -rkSphere.Radius();
}
开发者ID:OpenXRay，项目名称:xray，代码行数:15，代码来源:MgcIntr3DPlnSphr.cpp

示例5: TestIntersection

//----------------------------------------------------------------------------
bool Mgc::TestIntersection (const Plane& rkPlane, const Sphere& rkSphere,
    bool bUnitNormal)
{
    Vector3 kNormal = rkPlane.Normal();
    Real fConstant = rkPlane.Constant();
    if ( !bUnitNormal )
    {
        Real fLength = kNormal.Unitize();
        fConstant /= fLength;
    }

    Real fPseudoDistance = kNormal.Dot(rkSphere.Center()) - fConstant;
    return Math::FAbs(fPseudoDistance) <= rkSphere.Radius();
}
开发者ID:OpenXRay，项目名称:xray，代码行数:15，代码来源:MgcIntr3DPlnSphr.cpp

示例6: InSphere

bool Mgc::InSphere (const Vector3& rkPoint, const Sphere& rkSphere,

    Real fEpsilon)

{

    Real fRSqr = rkSphere.Radius()*rkSphere.Radius();

    Vector3 kDiff = rkPoint - rkSphere.Center();

    Real fSqrDist = kDiff.SquaredLength();

    return fSqrDist <= fRSqr + fEpsilon;

}
开发者ID:jason-amju，项目名称:amjulib，代码行数:15，代码来源:MgcCont3DSphere.cpp

示例7: ContSphereAverage

Sphere Mgc::ContSphereAverage (int iQuantity, const Vector3* akPoint)

{

    Vector3 kCenter = akPoint[0];

    int i;

    for (i = 1; i < iQuantity; i++)

        kCenter += akPoint[i];

    Real fInvQuantity = 1.0f/iQuantity;

    kCenter *= fInvQuantity;



    Real fMaxRadiusSqr = 0.0f;

    for (i = 0; i < iQuantity; i++)

    {

        Vector3 kDiff = akPoint[i] - kCenter;

        Real fRadiusSqr = kDiff.SquaredLength();

        if ( fRadiusSqr > fMaxRadiusSqr )

            fMaxRadiusSqr = fRadiusSqr;

    }



    Sphere kSphere;

    kSphere.Center() = kCenter;

    kSphere.Radius() = Math::Sqrt(fMaxRadiusSqr);



    return kSphere;

}
开发者ID:jason-amju，项目名称:amjulib，代码行数:47，代码来源:MgcCont3DSphere.cpp

示例8: ContSphereOfAABB

//----------------------------------------------------------------------------
bool Mgc::ContSphereOfAABB (int iQuantity, const Vector3* akPoint,
    const bool* abValid, Sphere& rkSphere)
{
    Vector3 kMin, kMax;
    int i;
    for (i = 0; i < iQuantity; i++)
    {
        if ( abValid[i] )
        {
            kMin = akPoint[i];
            kMax = kMin;
            break;
        }
    }
    if ( i == iQuantity )
        return false;

    for (i++; i < iQuantity; i++)
    {
        if ( abValid[i] )
        {
            if ( akPoint[i].x < kMin.x )
                kMin.x = akPoint[i].x;
            else if ( akPoint[i].x > kMax.x )
                kMax.x = akPoint[i].x;

            if ( akPoint[i].y < kMin.y )
                kMin.y = akPoint[i].y;
            else if ( akPoint[i].y > kMax.y )
                kMax.y = akPoint[i].y;

            if ( akPoint[i].z < kMin.z )
                kMin.z = akPoint[i].z;
            else if ( akPoint[i].z > kMax.z )
                kMax.z = akPoint[i].z;
        }
    }

    rkSphere.Center() = 0.5f*(kMax + kMin);
    Vector3 kHalfDiagonal = 0.5f*(kMax - kMin);
    rkSphere.Radius() = kHalfDiagonal.Length();

    return true;
}
开发者ID:OpenXRay，项目名称:xray，代码行数:45，代码来源:MgcCont3DSphere.cpp

示例9: ContSphereAverage

//----------------------------------------------------------------------------
bool Mgc::ContSphereAverage (int iQuantity, const Vector3* akPoint,
    const bool* abValid, Sphere& rkSphere)
{
    Vector3 kCenter = Vector3::ZERO;
    int i, iValidQuantity = 0;
    for (i = 0; i < iQuantity; i++)
    {
        if ( abValid[i] )
        {
            kCenter += akPoint[i];
            iValidQuantity++;
        }
    }
    if ( iValidQuantity == 0 )
        return false;

    Real fInvQuantity = 1.0f/iValidQuantity;
    kCenter *= fInvQuantity;

    Real fMaxRadiusSqr = 0.0f;
    for (i = 0; i < iQuantity; i++)
    {
        if ( abValid[i] )
        {
            Vector3 kDiff = akPoint[i] - kCenter;
            Real fRadiusSqr = kDiff.SquaredLength();
            if ( fRadiusSqr > fMaxRadiusSqr )
                fMaxRadiusSqr = fRadiusSqr;
        }
    }

    rkSphere.Center() = kCenter;
    rkSphere.Radius() = Math::Sqrt(fMaxRadiusSqr);

    return true;
}
开发者ID:OpenXRay，项目名称:xray，代码行数:37，代码来源:MgcCont3DSphere.cpp

示例10: FindIntersection

bool Mgc::FindIntersection (const Segment3& rkSegment, const Sphere& rkSphere,

    int& riQuantity, Vector3 akPoint[2])

{

    // set up quadratic Q(t) = a*t^2 + 2*b*t + c

    Vector3 kDiff = rkSegment.Origin() - rkSphere.Center();

    Real fA = rkSegment.Direction().SquaredLength();

    Real fB = kDiff.Dot(rkSegment.Direction());

    Real fC = kDiff.SquaredLength() -

        rkSphere.Radius()*rkSphere.Radius();



    // no intersection if Q(t) has no real roots

    Real afT[2];

    Real fDiscr = fB*fB - fA*fC;

    if ( fDiscr < 0.0f )

    {

        riQuantity = 0;

        return false;

    }

    else if ( fDiscr > 0.0f )

    {

        Real fRoot = Math::Sqrt(fDiscr);

        Real fInvA = 1.0f/fA;

        afT[0] = (-fB - fRoot)*fInvA;

        afT[1] = (-fB + fRoot)*fInvA;



        // assert: t0 < t1 since A > 0



        if ( afT[0] > 1.0f || afT[1] < 0.0f )

        {

            riQuantity = 0;

            return false;

        }

        else if ( afT[0] >= 0.0f )

        {

            if ( afT[1] > 1.0f )

            {

                riQuantity = 1;

                akPoint[0] = rkSegment.Origin()+afT[0]*rkSegment.Direction();

                return true;

            }

            else

            {

                riQuantity = 2;

                akPoint[0] = rkSegment.Origin()+afT[0]*rkSegment.Direction();

                akPoint[1] = rkSegment.Origin()+afT[1]*rkSegment.Direction();

                return true;

            }

        }

        else  // afT[1] >= 0

        {

//.........这里部分代码省略.........
开发者ID:jason-amju，项目名称:amjulib，代码行数:101，代码来源:MgcIntr3DLinSphr.cpp

示例11: T

	Sphere(const Sphere<U>& that)
	 : _center(that.Center())
	 , _radius(that.Radius())
	{
		assert(_radius >= T(0));
	}
开发者ID:AdamSimpson，项目名称:oglplus，代码行数:6，代码来源:sphere.hpp

示例12: TestIntersection

//----------------------------------------------------------------------------
bool Mgc::TestIntersection (const Sphere& rkSphere, const Frustum& rkFrustum)
{
    Real fSqrDist = SqrDistance(rkSphere.Center(),rkFrustum);
    Real fSqrRadius = rkSphere.Radius()*rkSphere.Radius();
    return fSqrDist <= fSqrRadius;
}
开发者ID:OpenXRay，项目名称:xray，代码行数:7，代码来源:MgcIntr3DSphrFrustum.cpp


注：本文中的Sphere::Center方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。