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28 lines
713 B
C++
Executable File
28 lines
713 B
C++
Executable File
#include <stdafx.h>
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gp_Pnt ConvertClickToPoint(Standard_Real x, Standard_Real y, Handle(V3d_View) aView)
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{
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V3d_Coordinate XEye,YEye,ZEye,XAt,YAt,ZAt;
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aView->Eye(XEye,YEye,ZEye);
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aView->At(XAt,YAt,ZAt);
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gp_Pnt EyePoint(XEye,YEye,ZEye);
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gp_Pnt AtPoint(XAt,YAt,ZAt);
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gp_Vec EyeVector(EyePoint,AtPoint);
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gp_Dir EyeDir(EyeVector);
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gp_Pln PlaneOfTheView = gp_Pln(AtPoint,EyeDir);
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Standard_Real X,Y,Z;
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aView->Convert((int)x,(int)y,X,Y,Z);
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gp_Pnt ConvertedPoint(X,Y,Z);
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gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView,ConvertedPoint);
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gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(),
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ConvertedPointOnPlane.Y(),
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PlaneOfTheView);
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return ResultPoint;
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}
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