void TestOrthogonalCameraTransform()
{
OrthogonalCamera cam = new OrthogonalCamera(transformation: Transformation.Translation(-2.0f * Constant.VEC_Y) * Transformation.RotationZ((float)Math.PI / 2.0f));
Ray ray = cam.fireRay(0.5f, 0.5f);
Assert.True(ray.at(1.0f).isClose(new Point(0.0f, -2.0f, 0.0f)), "testOrthogonalCameraTransform failed - Assert 1/1");
}
public void testOrthogonalCamera()
{
OrthogonalCamera cam = new OrthogonalCamera(aspectRatio: 2.0f);
Ray ray1 = cam.fireRay(0.0f, 0.0f);
Ray ray2 = cam.fireRay(1.0f, 0.0f);
Ray ray3 = cam.fireRay(0.0f, 1.0f);
Ray ray4 = cam.fireRay(1.0f, 1.0f);
Assert.True(Utility.areClose(0.0f, ray1.dir.crossProd(ray2.dir).getSquaredNorm()), "testOrthogonalCamera failed - assert 1/7");
Assert.True(Utility.areClose(0.0f, ray1.dir.crossProd(ray3.dir).getSquaredNorm()), "testOrthogonalCamera failed - assert 2/7");
Assert.True(Utility.areClose(0.0f, ray1.dir.crossProd(ray4.dir).getSquaredNorm()), "testOrthogonalCamera failed - assert 3/7");
Assert.True(ray1.at(1.0f).isClose(new Point(0.0f, 2.0f, -1.0f)), "testOrthogonalCamera failed - assert 4/7");
Assert.True(ray2.at(1.0f).isClose(new Point(0.0f, -2.0f, -1.0f)), "testOrthogonalCamera failed - assert 5/7");
Assert.True(ray3.at(1.0f).isClose(new Point(0.0f, 2.0f, 1.0f)), "testOrthogonalCamera failed - assert 6/7");
Assert.True(ray4.at(1.0f).isClose(new Point(0.0f, -2.0f, 1.0f)), "testOrthogonalCamera failed - assert 7/7");
}
