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Add more utility methods to Transform and Matrix3x3

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This commit is contained in:
Wojtek Figat
2022-06-16 10:50:53 +02:00
parent bc8cc75ad8
commit 995e5bc6ff
5 changed files with 252 additions and 31 deletions
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100
Source/Engine/Core/Math/Matrix3x3.h
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@@ -120,6 +120,90 @@ public:
String ToString() const;
public:
// Gets the up Float3 of the matrix; that is M21, M22, and M23.
Float3 GetUp() const
{
return Float3(M21, M22, M23);
}
// Sets Float3 of the matrix; that is M21, M22, and M23.
void SetUp(const Float3& value)
{
M21 = value.X;
M22 = value.Y;
M23 = value.Z;
}
// Gets the down Float3 of the matrix; that is -M21, -M22, and -M23.
Float3 GetDown() const
{
return -Float3(M21, M22, M23);
}
// Sets the down Float3 of the matrix; that is -M21, -M22, and -M23.
void SetDown(const Float3& value)
{
M21 = -value.X;
M22 = -value.Y;
M23 = -value.Z;
}
// Gets the right Float3 of the matrix; that is M11, M12, and M13.
Float3 GetRight() const
{
return Float3(M11, M12, M13);
}
// Sets the right Float3 of the matrix; that is M11, M12, and M13.
void SetRight(const Float3& value)
{
M11 = value.X;
M12 = value.Y;
M13 = value.Z;
}
// Gets the left Float3 of the matrix; that is -M11, -M12, and -M13.
Float3 GetLeft() const
{
return -Float3(M11, M12, M13);
}
// Sets the left Float3 of the matrix; that is -M11, -M12, and -M13.
void SetLeft(const Float3& value)
{
M11 = -value.X;
M12 = -value.Y;
M13 = -value.Z;
}
// Gets the forward Float3 of the matrix; that is -M31, -M32, and -M33.
Float3 GetForward() const
{
return -Float3(M31, M32, M33);
}
// Sets the forward Float3 of the matrix; that is -M31, -M32, and -M33.
void SetForward(const Float3& value)
{
M31 = -value.X;
M32 = -value.Y;
M33 = -value.Z;
}
// Gets the backward Float3 of the matrix; that is M31, M32, and M33.
Float3 GetBackward() const
{
return Float3(M31, M32, M33);
}
// Sets the backward Float3 of the matrix; that is M31, M32, and M33.
void SetBackward(const Float3& value)
{
M31 = value.X;
M32 = value.Y;
M33 = value.Z;
}
// Gets the first row in the matrix; that is M11, M12 and M13.
Float3 GetRow1() const
{
@@ -497,6 +581,22 @@ public:
/// <param name="result">The created rotation matrix.</param>
static void RotationQuaternion(const Quaternion& rotation, Matrix3x3& result);
/// <summary>
/// Decomposes a matrix into a scale and rotation.
/// </summary>
/// <param name="scale">When the method completes, contains the scaling component of the decomposed matrix.</param>
/// <param name="rotation">When the method completes, contains the rotation component of the decomposed matrix.</param>
/// <remarks>This method is designed to decompose an scale-rotation transformation matrix only.</remarks>
void Decompose(Float3& scale, Matrix3x3& rotation) const;
/// <summary>
/// Decomposes a matrix into a scale and rotation.
/// </summary>
/// <param name="scale">When the method completes, contains the scaling component of the decomposed matrix.</param>
/// <param name="rotation">When the method completes, contains the rotation component of the decomposed matrix.</param>
/// <remarks>This method is designed to decompose an scale-rotation transformation matrix only.</remarks>
void Decompose(Float3& scale, Quaternion& rotation) const;
public:
/// <summary>
/// Tests for equality between two objects.