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C#: Restore Scale and Rotation properties

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Raul Santos 2023-01-21 04:49:16 +01:00
parent 4db3716d8d
commit 04996df61e
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GPG key ID: B532473AE3A803E4
3 changed files with 43 additions and 38 deletions
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33
modules/mono/glue/GodotSharp/GodotSharp/Core/Basis.cs
View file

@ -119,6 +119,24 @@ namespace Godot
}
}
/// <summary>
/// Assuming that the matrix is the combination of a rotation and scaling,
/// return the absolute value of scaling factors along each axis.
/// </summary>
public readonly Vector3 Scale
{
get
{
real_t detSign = Mathf.Sign(Determinant());
return detSign * new Vector3
(
Column0.Length(),
Column1.Length(),
Column2.Length()
);
}
}
/// <summary>
/// Access whole columns in the form of <see cref="Vector3"/>.
/// </summary>
@ -541,21 +559,6 @@ namespace Godot
return orthonormalizedBasis.GetQuaternion();
}
/// <summary>
/// Assuming that the matrix is the combination of a rotation and scaling,
/// return the absolute value of scaling factors along each axis.
/// </summary>
public readonly Vector3 GetScale()
{
real_t detSign = Mathf.Sign(Determinant());
return detSign * new Vector3
(
Column0.Length(),
Column1.Length(),
Column2.Length()
);
}
/// <summary>
/// Returns the inverse of the matrix.
/// </summary>

44
modules/mono/glue/GodotSharp/GodotSharp/Core/Transform2D.cs
View file

@ -1,4 +1,5 @@
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Godot
@ -31,6 +32,23 @@ namespace Godot
/// </summary>
public Vector2 origin;
/// <summary>
/// Returns the transform's rotation (in radians).
/// </summary>
public readonly real_t Rotation => Mathf.Atan2(x.y, x.x);
/// <summary>
/// Returns the scale.
/// </summary>
public readonly Vector2 Scale
{
get
{
real_t detSign = Mathf.Sign(BasisDeterminant());
return new Vector2(x.Length(), detSign * y.Length());
}
}
/// <summary>
/// Access whole columns in the form of <see cref="Vector2"/>.
/// The third column is the <see cref="origin"/> vector.
@ -131,6 +149,7 @@ namespace Godot
/// and is usually considered invalid.
/// </summary>
/// <returns>The determinant of the basis matrix.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private readonly real_t BasisDeterminant()
{
return (x.x * y.y) - (x.y * y.x);
@ -163,23 +182,6 @@ namespace Godot
return new Vector2(x.Dot(v), y.Dot(v));
}
/// <summary>
/// Returns the transform's rotation (in radians).
/// </summary>
public readonly real_t GetRotation()
{
return Mathf.Atan2(x.y, x.x);
}
/// <summary>
/// Returns the scale.
/// </summary>
public readonly Vector2 GetScale()
{
real_t detSign = Mathf.Sign(BasisDeterminant());
return new Vector2(x.Length(), detSign * y.Length());
}
/// <summary>
/// Interpolates this transform to the other <paramref name="transform"/> by <paramref name="weight"/>.
/// </summary>
@ -188,11 +190,11 @@ namespace Godot
/// <returns>The interpolated transform.</returns>
public readonly Transform2D InterpolateWith(Transform2D transform, real_t weight)
{
real_t r1 = GetRotation();
real_t r2 = transform.GetRotation();
real_t r1 = Rotation;
real_t r2 = transform.Rotation;
Vector2 s1 = GetScale();
Vector2 s2 = transform.GetScale();
Vector2 s1 = Scale;
Vector2 s2 = transform.Scale;
// Slerp rotation
(real_t sin1, real_t cos1) = Mathf.SinCos(r1);

4
modules/mono/glue/GodotSharp/GodotSharp/Core/Transform3D.cs
View file

@ -124,11 +124,11 @@ namespace Godot
/// <returns>The interpolated transform.</returns>
public readonly Transform3D InterpolateWith(Transform3D transform, real_t weight)
{
Vector3 sourceScale = basis.GetScale();
Vector3 sourceScale = basis.Scale;
Quaternion sourceRotation = basis.GetRotationQuaternion();
Vector3 sourceLocation = origin;
Vector3 destinationScale = transform.basis.GetScale();
Vector3 destinationScale = transform.basis.Scale;
Quaternion destinationRotation = transform.basis.GetRotationQuaternion();
Vector3 destinationLocation = transform.origin;