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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkBilinearQuadIntersection.h"
#include "vtkMathUtilities.h"
#include <iostream>
int TestBilinearQuadIntersection(int, char*[])
{
// --------- Static methods ------------
vtkVector3d p00(0, 0, 0);
vtkVector3d p01(0, 1, 0);
vtkVector3d p10(1, 0, 0);
vtkVector3d p11(1, 1, 0.5);
vtkBilinearQuadIntersection quad(p00, p01, p10, p11);
// ---- ComputeCartesianCoordinates ----
double u = 0.3;
double v = 0.7;
vtkVector3d coord = quad.ComputeCartesianCoordinates(u, v);
if (coord.GetX() != u || coord.GetY() != v || coord.GetZ() != 0.105)
{
std::cerr << "vtkBilinearQuadIntersection::ComputeCartesianCoordinates got unexpected results :"
<< std::endl;
std::cerr << coord.GetX() << " " << coord.GetY() << " " << coord.GetZ() << std::endl;
return EXIT_FAILURE;
}
// ---- RayIntersection ----
vtkVector3d r(0.5, 0.5, -1);
vtkVector3d q(0, 0, 1);
vtkVector3d uv;
quad.RayIntersection(r, q, uv);
if (uv.GetX() != 0.5 || uv.GetY() != 0.5 || uv.GetZ() != 1.125)
{
std::cerr << "vtkBilinearQuadIntersection::RayIntersection got unexpected results :"
<< std::endl;
std::cerr << (uv.GetX() != 0.5) << " " << (uv.GetY() != 0.5) << " " << (uv.GetZ() != 1.125)
<< std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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