C++ AcGeMatrix3d::setToTranslation方法代码示例

Acad::ErrorStatus
AsdkSmiley::transformBy(const AcGeMatrix3d& xform)
{
    assertWriteEnabled();

    // Transform the center point and get the translation vector
    AcGePoint3d oldCenter( center() ),
                newCenter( center() );
    newCenter.transformBy( xform );
    AcGeVector3d transVec = newCenter - center();

    // Get the equivalent transformation
    AcGeMatrix3d newXform;
    newXform.setToTranslation( transVec );

    // Only translate the face and mouth - do not transform!
    mfacecircle.transformBy( newXform );
    mmoutharc.transformBy( newXform );

    // Get the point at a quadrant, transform it..
    AcGePoint3d oldXquad = center() + AcGeVector3d( radius(), 0, 0 ),
                newXquad( oldXquad );
    newXquad.transformBy( xform );

    // ... then scale the Smiley accordingly
    if ( Adesk::kFalse == xform.isEqualTo( AcGeMatrix3d::kIdentity ))
        scaleRadius( radius() * newCenter.distanceTo( newXquad ) / oldCenter.distanceTo( oldXquad ));

    return Acad::eOk;
}

bool SketchSolverCircArc::addHandlesForDragging(SketchVCSDraggingData& dragData)
{
	if (dragData.IsDragSingleGeom())
	{
		VCSRigidBody* pBodyOnCir = vcsBodyPtOnCircle(m_pContext->consData());
		dragData.addBodyToDrag(pBodyOnCir);

		//// Fix circle body (center position), when there has only one or zero constraint on circumference
		//if (!m_pContext->consData().hasRelatedConsWithCircleToMakeVariable(this, false))
		//	centerPointSolverGeometry()->vcsBody()->setGrounded(true);

		// Move the point on circle to the dragging position
		AcGeVector3d vecToDragStartPt = dragData.startPt() - ptOnCircle();
		AcGeMatrix3d mat;
		mat.setToTranslation(vecToDragStartPt);
		VCSMMatrix3d vMat = GeConv::toVCSMMatrix3d(mat);
		pBodyOnCir->setTransform(vMat);
	}
	else
	{
		dragData.addBodyToDrag(vcsBody());
		if (dragData.isDragGeom(centerPointSolverGeometry()))
		{
			if (NULL != m_pVcsRigidBodyPtOnCircle)
				dragData.addBodyToDrag(m_pVcsRigidBodyPtOnCircle);
		}
	}

	return true;
}

void Transform(AcDbEntity* pEntry, int xoffset = 0, int yoffset = 0, int zoffset = 0)
{
	AcGeVector3d vec(xoffset,yoffset,zoffset);

	AcGeMatrix3d moveMatrix;
	moveMatrix.setToTranslation(vec);

	pEntry->transformBy(moveMatrix);
}

void moveToBottom(AcDbEntity* pEntry)
{
	AcGeVector3d vec(-8,10,0);

	AcGeMatrix3d moveMatrix;
	moveMatrix.setToTranslation(vec);

	pEntry->transformBy(moveMatrix);
}

MaterialJig::MaterialJig(
    const AcGePoint3d& center,
    const AcDbObjectId& materialId)
{
    mpMaterialEnt = (AsdkMaterial*)AsdkMaterial::desc()->create();
    mpMaterialEnt->setDatabaseDefaults();
    mpMaterialEnt->setMaterialId(materialId);

    AcGeMatrix3d translateMat;
    translateMat.setToTranslation(center.asVector());
    mpMaterialEnt->setTransform(translateMat);
}

void CreatePipe( const AcGePoint3d& start, const AcGePoint3d& end, const double& radius)
{
	acutPrintf(L"开始绘制管体\n");

	//得到线段的长度
	double length = start.distanceTo(end);
	if( length < 0.1 )
		return;

	acutPrintf(L"得到管体高度%lf\n",length);

	//绘制圆柱体
	AcDb3dSolid* p3dPipe = CreateCylinder(radius,length);
	if( p3dPipe == NULL )
		return;

	//得到线段与Z轴的垂直向量
	AcGeVector3d line3dVector(end.x - start.x,end.y - start.y, end.z-start.z);
	AcGeVector3d rotateVctor = line3dVector.crossProduct(AcGeVector3d::kZAxis);

	//得到旋转的角度
	double angle = -line3dVector.angleTo(AcGeVector3d::kZAxis);
	acutPrintf(L"得到旋转角度%lf\n",angle);

	//进行旋转
	AcGeMatrix3d rotateMatrix = AcGeMatrix3d::rotation( angle, rotateVctor, AcGePoint3d::kOrigin);
	p3dPipe->transformBy(rotateMatrix);
	
	//得到线段的中心点
	AcGePoint3d center(start.x + end.x, start.y + end.y, start.z + end.z); 
	center /= 2;
	acutPrintf(L"得到中心点[%lf][%lf][%lf]\n",center.x,center.y,center.z);

	//进行偏移
	AcGeMatrix3d moveMatrix;
	moveMatrix.setToTranslation(AcGeVector3d(center.x,center.y,center.z));

	p3dPipe->transformBy(moveMatrix);

	//加入到3D模型中
	PostToModelSpace(p3dPipe);

#ifdef DEBUG
	acutPrintf(L"插入中心线，用于矫正");

	AcDbLine *pLine = new AcDbLine(start, end);
    PostToModelSpace(pLine);
#endif
}