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-rw-r--r--modules/mono/glue/Managed/Files/Transform2D.cs390
1 files changed, 0 insertions, 390 deletions
diff --git a/modules/mono/glue/Managed/Files/Transform2D.cs b/modules/mono/glue/Managed/Files/Transform2D.cs
deleted file mode 100644
index 77ea3e5830..0000000000
--- a/modules/mono/glue/Managed/Files/Transform2D.cs
+++ /dev/null
@@ -1,390 +0,0 @@
-using System;
-using System.Runtime.InteropServices;
-#if REAL_T_IS_DOUBLE
-using real_t = System.Double;
-#else
-using real_t = System.Single;
-#endif
-
-namespace Godot
-{
- [Serializable]
- [StructLayout(LayoutKind.Sequential)]
- public struct Transform2D : IEquatable<Transform2D>
- {
- public Vector2 x;
- public Vector2 y;
- public Vector2 origin;
-
- public real_t Rotation
- {
- get
- {
- real_t det = BasisDeterminant();
- Transform2D t = Orthonormalized();
- if (det < 0)
- {
- t.ScaleBasis(new Vector2(1, -1));
- }
- return Mathf.Atan2(t.x.y, t.x.x);
- }
- set
- {
- Vector2 scale = Scale;
- x.x = y.y = Mathf.Cos(value);
- x.y = y.x = Mathf.Sin(value);
- y.x *= -1;
- Scale = scale;
- }
- }
-
- public Vector2 Scale
- {
- get
- {
- real_t detSign = Mathf.Sign(BasisDeterminant());
- return new Vector2(x.Length(), detSign * y.Length());
- }
- set
- {
- x = x.Normalized();
- y = y.Normalized();
- x *= value.x;
- y *= value.y;
- }
- }
-
- public Vector2 this[int rowIndex]
- {
- get
- {
- switch (rowIndex)
- {
- case 0:
- return x;
- case 1:
- return y;
- case 2:
- return origin;
- default:
- throw new IndexOutOfRangeException();
- }
- }
- set
- {
- switch (rowIndex)
- {
- case 0:
- x = value;
- return;
- case 1:
- y = value;
- return;
- case 2:
- origin = value;
- return;
- default:
- throw new IndexOutOfRangeException();
- }
- }
- }
-
- public real_t this[int rowIndex, int columnIndex]
- {
- get
- {
- switch (rowIndex)
- {
- case 0:
- return x[columnIndex];
- case 1:
- return y[columnIndex];
- case 2:
- return origin[columnIndex];
- default:
- throw new IndexOutOfRangeException();
- }
- }
- set
- {
- switch (rowIndex)
- {
- case 0:
- x[columnIndex] = value;
- return;
- case 1:
- y[columnIndex] = value;
- return;
- case 2:
- origin[columnIndex] = value;
- return;
- default:
- throw new IndexOutOfRangeException();
- }
- }
- }
-
- public Transform2D AffineInverse()
- {
- real_t det = BasisDeterminant();
-
- if (det == 0)
- throw new InvalidOperationException("Matrix determinant is zero and cannot be inverted.");
-
- var inv = this;
-
- real_t temp = inv[0, 0];
- inv[0, 0] = inv[1, 1];
- inv[1, 1] = temp;
-
- real_t detInv = 1.0f / det;
-
- inv[0] *= new Vector2(detInv, -detInv);
- inv[1] *= new Vector2(-detInv, detInv);
-
- inv[2] = inv.BasisXform(-inv[2]);
-
- return inv;
- }
-
- private real_t BasisDeterminant()
- {
- return x.x * y.y - x.y * y.x;
- }
-
- public Vector2 BasisXform(Vector2 v)
- {
- return new Vector2(Tdotx(v), Tdoty(v));
- }
-
- public Vector2 BasisXformInv(Vector2 v)
- {
- return new Vector2(x.Dot(v), y.Dot(v));
- }
-
- public Transform2D InterpolateWith(Transform2D m, real_t c)
- {
- real_t r1 = Rotation;
- real_t r2 = m.Rotation;
-
- Vector2 s1 = Scale;
- Vector2 s2 = m.Scale;
-
- // Slerp rotation
- var v1 = new Vector2(Mathf.Cos(r1), Mathf.Sin(r1));
- var v2 = new Vector2(Mathf.Cos(r2), Mathf.Sin(r2));
-
- real_t dot = v1.Dot(v2);
-
- // Clamp dot to [-1, 1]
- dot = dot < -1.0f ? -1.0f : (dot > 1.0f ? 1.0f : dot);
-
- Vector2 v;
-
- if (dot > 0.9995f)
- {
- // Linearly interpolate to avoid numerical precision issues
- v = v1.LinearInterpolate(v2, c).Normalized();
- }
- else
- {
- real_t angle = c * Mathf.Acos(dot);
- Vector2 v3 = (v2 - v1 * dot).Normalized();
- v = v1 * Mathf.Cos(angle) + v3 * Mathf.Sin(angle);
- }
-
- // Extract parameters
- Vector2 p1 = origin;
- Vector2 p2 = m.origin;
-
- // Construct matrix
- var res = new Transform2D(Mathf.Atan2(v.y, v.x), p1.LinearInterpolate(p2, c));
- Vector2 scale = s1.LinearInterpolate(s2, c);
- res.x *= scale;
- res.y *= scale;
-
- return res;
- }
-
- public Transform2D Inverse()
- {
- var inv = this;
-
- // Swap
- real_t temp = inv.x.y;
- inv.x.y = inv.y.x;
- inv.y.x = temp;
-
- inv.origin = inv.BasisXform(-inv.origin);
-
- return inv;
- }
-
- public Transform2D Orthonormalized()
- {
- var on = this;
-
- Vector2 onX = on.x;
- Vector2 onY = on.y;
-
- onX.Normalize();
- onY = onY - onX * onX.Dot(onY);
- onY.Normalize();
-
- on.x = onX;
- on.y = onY;
-
- return on;
- }
-
- public Transform2D Rotated(real_t phi)
- {
- return this * new Transform2D(phi, new Vector2());
- }
-
- public Transform2D Scaled(Vector2 scale)
- {
- var copy = this;
- copy.x *= scale;
- copy.y *= scale;
- copy.origin *= scale;
- return copy;
- }
-
- private void ScaleBasis(Vector2 scale)
- {
- x.x *= scale.x;
- x.y *= scale.y;
- y.x *= scale.x;
- y.y *= scale.y;
- }
-
- private real_t Tdotx(Vector2 with)
- {
- return this[0, 0] * with[0] + this[1, 0] * with[1];
- }
-
- private real_t Tdoty(Vector2 with)
- {
- return this[0, 1] * with[0] + this[1, 1] * with[1];
- }
-
- public Transform2D Translated(Vector2 offset)
- {
- var copy = this;
- copy.origin += copy.BasisXform(offset);
- return copy;
- }
-
- public Vector2 Xform(Vector2 v)
- {
- return new Vector2(Tdotx(v), Tdoty(v)) + origin;
- }
-
- public Vector2 XformInv(Vector2 v)
- {
- Vector2 vInv = v - origin;
- return new Vector2(x.Dot(vInv), y.Dot(vInv));
- }
-
- // Constants
- private static readonly Transform2D _identity = new Transform2D(1, 0, 0, 1, 0, 0);
- private static readonly Transform2D _flipX = new Transform2D(-1, 0, 0, 1, 0, 0);
- private static readonly Transform2D _flipY = new Transform2D(1, 0, 0, -1, 0, 0);
-
- public static Transform2D Identity => _identity;
- public static Transform2D FlipX => _flipX;
- public static Transform2D FlipY => _flipY;
-
- // Constructors
- public Transform2D(Vector2 xAxis, Vector2 yAxis, Vector2 originPos)
- {
- x = xAxis;
- y = yAxis;
- origin = originPos;
- }
-
- // Arguments are named such that xy is equal to calling x.y
- public Transform2D(real_t xx, real_t xy, real_t yx, real_t yy, real_t ox, real_t oy)
- {
- x = new Vector2(xx, xy);
- y = new Vector2(yx, yy);
- origin = new Vector2(ox, oy);
- }
-
- public Transform2D(real_t rot, Vector2 pos)
- {
- x.x = y.y = Mathf.Cos(rot);
- x.y = y.x = Mathf.Sin(rot);
- y.x *= -1;
- origin = pos;
- }
-
- public static Transform2D operator *(Transform2D left, Transform2D right)
- {
- left.origin = left.Xform(right.origin);
-
- real_t x0 = left.Tdotx(right.x);
- real_t x1 = left.Tdoty(right.x);
- real_t y0 = left.Tdotx(right.y);
- real_t y1 = left.Tdoty(right.y);
-
- left.x.x = x0;
- left.x.y = x1;
- left.y.x = y0;
- left.y.y = y1;
-
- return left;
- }
-
- public static bool operator ==(Transform2D left, Transform2D right)
- {
- return left.Equals(right);
- }
-
- public static bool operator !=(Transform2D left, Transform2D right)
- {
- return !left.Equals(right);
- }
-
- public override bool Equals(object obj)
- {
- return obj is Transform2D transform2D && Equals(transform2D);
- }
-
- public bool Equals(Transform2D other)
- {
- return x.Equals(other.x) && y.Equals(other.y) && origin.Equals(other.origin);
- }
-
- public bool IsEqualApprox(Transform2D other)
- {
- return x.IsEqualApprox(other.x) && y.IsEqualApprox(other.y) && origin.IsEqualApprox(other.origin);
- }
-
- public override int GetHashCode()
- {
- return x.GetHashCode() ^ y.GetHashCode() ^ origin.GetHashCode();
- }
-
- public override string ToString()
- {
- return String.Format("({0}, {1}, {2})", new object[]
- {
- x.ToString(),
- y.ToString(),
- origin.ToString()
- });
- }
-
- public string ToString(string format)
- {
- return String.Format("({0}, {1}, {2})", new object[]
- {
- x.ToString(format),
- y.ToString(format),
- origin.ToString(format)
- });
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-30 13:28:01 +0000