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Base: add methods to get volume and get max/min points

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This commit is contained in:
wmayer
2023-08-27 00:30:05 +02:00
committed by wwmayer
parent bb13c179e9
commit 90bafb3a06
2 changed files with 55 additions and 0 deletions
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27
src/Base/BoundBox.h
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@@ -208,6 +208,10 @@ public:
/** Returns the center of the box. */
inline Vector3<Precision> GetCenter () const;
/** Returns the minimum point of the box. */
inline Vector3<Precision> GetMinimum () const;
/** Returns the maximum point of the box. */
inline Vector3<Precision> GetMaximum () const;
/** Compute the diagonal length of this bounding box.
* @note It's up to the client programmer to make sure that this bounding box is valid.
*/
@@ -225,6 +229,8 @@ public:
inline Precision LengthY () const;
/** Calculates expansion in z-direction. */
inline Precision LengthZ () const;
/** Calculates the volume. If the box is invalid a negative value is returned */
inline Precision Volume () const;
/** Moves in x-direction. */
inline void MoveX (Precision value);
/** Moves in y-direction. */
@@ -971,6 +977,18 @@ inline Vector3<Precision> BoundBox3<Precision>::GetCenter () const
(MaxZ + MinZ) / 2);
}
template <class Precision>
inline Vector3<Precision> BoundBox3<Precision>::GetMinimum () const
{
return Vector3<Precision>(MinX, MinY, MinZ);
}
template <class Precision>
inline Vector3<Precision> BoundBox3<Precision>::GetMaximum () const
{
return Vector3<Precision>(MaxX, MaxY, MaxZ);
}
template <class Precision>
inline Precision BoundBox3<Precision>::CalcDiagonalLength () const
{
@@ -1018,6 +1036,15 @@ inline Precision BoundBox3<Precision>::LengthZ () const
return MaxZ - MinZ;
}
template <class Precision>
inline Precision BoundBox3<Precision>::Volume () const
{
if (!IsValid()) {
return -1.0;
}
return LengthX() * LengthY() * LengthZ();
}
template <class Precision>
inline void BoundBox3<Precision>::MoveX (Precision value)
{

28
tests/src/Base/BoundBox.cpp
View File

@@ -201,6 +201,24 @@ TEST(BoundBox, TestCenter)
EXPECT_EQ(box.GetCenter(), Base::Vector3d(0.5, 0.5, 0.5));
}
TEST(BoundBox, TestMinimum)
{
Base::BoundBox3d box;
box.Add(Base::Vector3d(0, 0, 0));
box.Add(Base::Vector3d(1, 1, 1));
EXPECT_EQ(box.GetMinimum(), Base::Vector3d(0, 0, 0));
}
TEST(BoundBox, TestMaximum)
{
Base::BoundBox3d box;
box.Add(Base::Vector3d(0, 0, 0));
box.Add(Base::Vector3d(1, 1, 1));
EXPECT_EQ(box.GetMaximum(), Base::Vector3d(1, 1, 1));
}
TEST(BoundBox, TestDiagonalLength)
{
Base::BoundBox3d box;
@@ -211,6 +229,16 @@ TEST(BoundBox, TestDiagonalLength)
EXPECT_LT(box.CalcDiagonalLength(), 1.8);
}
TEST(BoundBox, TestVolume)
{
Base::BoundBox3d box;
EXPECT_LT(box.Volume(), 0.0);
box.Add(Base::Vector3d(0, 0, 0));
EXPECT_EQ(box.Volume(), 0.0);
box.Add(Base::Vector3d(1, 1, 1));
EXPECT_GT(box.Volume(), 0.0);
}
TEST(BoundBox, TestDiagonalEnlarge)
{
Base::BoundBox3d box;