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admin 发表于 2024-6-12 19:12:38

拉伸实体一个面

// Function definition
staticAcad::ErrorStatus acedGetSelFaces(AcDbObjectId& selectedSolidId, AcArray<AcDbSubentId*>& faceSet) {
        // Initialize result to invalid input
        Acad::ErrorStatus result = Acad::eInvalidInput;

        // Prompt the user to select a solid
        ads采用name ss;
        int rc = acedSSGet(NULL, NULL, NULL, NULL, ss);
        if (rc != RTNORM) {
                return Acad::eNotApplicable;// User canceled
        }

        // Check if the selection set is empty
        Adesk::Int32 length;
        acedSSLength(ss, &length);
        if (length == 0) {
                acedSSFree(ss);
                return Acad::eInvalidInput;// No solids selected
        }

        // Get the first selected entity
        ads采用name ent;
        acedSSName(ss, 0, ent);

        // Open the selected entity
        AcDbObjectId objId;
        acdbGetObjectId(objId, ent);
        AcDb3dSolid* solid = nullptr;
        if (acdbOpenObject(solid, objId, AcDb::kForRead) != Acad::eOk) {
                acedSSFree(ss);
                return Acad::eInvalidInput;// Selected entity is not a solid
        }

        // Store the selected solid ID
        selectedSolidId = objId;

        // Use the selector to select faces
        AcEdSolidSubentitySelector selector;
        result = selector.selectFaces(selectedSolidId, faceSet);

        // Clean up
        acedSSFree(ss);
        solid->close();

        return result;
}

// mycommand选择实体面然后移动
staticvoid mySelectFacesCommand() {
        AcDbObjectId selectedSolidId;
        AcArray<AcDbSubentId*> faceSet;

        // Call the custom function
        Acad::ErrorStatus es = acedGetSelFaces(selectedSolidId, faceSet);

        if (es != Acad::eOk) {
                // Handle error cases
                acedAlert(es == Acad::eInvalidInput ? 采用T("No solids selected.") :
                        es == Acad::eNotApplicable ? 采用T("User canceled input.") :
                        采用T("Unexpected error occurred."));
                return;
        }

        // Open the solid for write
        AcDb3dSolid* solid = nullptr;
        if (acdbOpenObject(solid, selectedSolidId, AcDb::kForWrite) != Acad::eOk) {
                acedAlert(采用T("Failed to open solid for writing."));
                return;
        }

        ads采用point basePoint, secondPoint;
        // Prompt the user to select the base point for extrusion
        if (acedGetPoint(NULL, 采用T("\nSpecify the base point for extrusion: "), basePoint) != RTNORM) {
                acedAlert(采用T("Failed to get base point."));
                solid->close();
                return;
        }

        // Prompt the user to select the second point to define the extrusion direction
        if (acedGetPoint(basePoint, 采用T("\nSpecify the second point for extrusion direction: "), secondPoint) != RTNORM) {
                acedAlert(采用T("Failed to get second point."));
                solid->close();
                return;
        }

        // Calculate extrusion direction and distance
        AcGeVector3d extrusionDir(secondPoint - basePoint, secondPoint - basePoint, secondPoint - basePoint);
        double extrusionDistance = extrusionDir.length();

        // Extrude in the negative direction if necessary
        if (extrusionDir.x < 0 || extrusionDir.y < 0 || extrusionDir.z < 0) {
                extrusionDistance *= -1;
        }

        // Extrude the faces with taper angle set to 0
        Acad::ErrorStatus extrudeStatus = solid->extrudeFaces(faceSet, extrusionDistance, 0.0);

        if (extrudeStatus == Acad::eOk) {
                acutPrintf(采用T("\nFaces extruded successfully."));
        }
        else {
                acedAlert(采用T("Failed to extrude faces."));
        }

        solid->close();

        // Clean up memory allocated for faceSet
        for (int i = 0; i < faceSet.length(); ++i) {
                delete faceSet;
        }
        faceSet.setLogicalLength(0);// Clear the array
}

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