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-rw-r--r--modules/mono/glue/Managed/Files/Quat.cs389
1 files changed, 0 insertions, 389 deletions
diff --git a/modules/mono/glue/Managed/Files/Quat.cs b/modules/mono/glue/Managed/Files/Quat.cs
deleted file mode 100644
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--- a/modules/mono/glue/Managed/Files/Quat.cs
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@@ -1,389 +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 Quat : IEquatable<Quat>
- {
- public real_t x;
- public real_t y;
- public real_t z;
- public real_t w;
-
- public real_t this[int index]
- {
- get
- {
- switch (index)
- {
- case 0:
- return x;
- case 1:
- return y;
- case 2:
- return z;
- case 3:
- return w;
- default:
- throw new IndexOutOfRangeException();
- }
- }
- set
- {
- switch (index)
- {
- case 0:
- x = value;
- break;
- case 1:
- y = value;
- break;
- case 2:
- z = value;
- break;
- case 3:
- w = value;
- break;
- default:
- throw new IndexOutOfRangeException();
- }
- }
- }
-
- public real_t Length
- {
- get { return Mathf.Sqrt(LengthSquared); }
- }
-
- public real_t LengthSquared
- {
- get { return Dot(this); }
- }
-
- public Quat CubicSlerp(Quat b, Quat preA, Quat postB, real_t t)
- {
- real_t t2 = (1.0f - t) * t * 2f;
- Quat sp = Slerp(b, t);
- Quat sq = preA.Slerpni(postB, t);
- return sp.Slerpni(sq, t2);
- }
-
- public real_t Dot(Quat b)
- {
- return x * b.x + y * b.y + z * b.z + w * b.w;
- }
-
- public Vector3 GetEuler()
- {
- var basis = new Basis(this);
- return basis.GetEuler();
- }
-
- public Quat Inverse()
- {
- return new Quat(-x, -y, -z, w);
- }
-
- public Quat Normalized()
- {
- return this / Length;
- }
-
- [Obsolete("Set is deprecated. Use the Quat(" + nameof(real_t) + ", " + nameof(real_t) + ", " + nameof(real_t) + ", " + nameof(real_t) + ") constructor instead.", error: true)]
- public void Set(real_t x, real_t y, real_t z, real_t w)
- {
- this.x = x;
- this.y = y;
- this.z = z;
- this.w = w;
- }
-
- [Obsolete("Set is deprecated. Use the Quat(" + nameof(Quat) + ") constructor instead.", error: true)]
- public void Set(Quat q)
- {
- this = q;
- }
-
- [Obsolete("SetAxisAngle is deprecated. Use the Quat(" + nameof(Vector3) + ", " + nameof(real_t) + ") constructor instead.", error: true)]
- public void SetAxisAngle(Vector3 axis, real_t angle)
- {
- this = new Quat(axis, angle);
- }
-
- [Obsolete("SetEuler is deprecated. Use the Quat(" + nameof(Vector3) + ") constructor instead.", error: true)]
- public void SetEuler(Vector3 eulerYXZ)
- {
- this = new Quat(eulerYXZ);
- }
-
- public Quat Slerp(Quat b, real_t t)
- {
- // Calculate cosine
- real_t cosom = x * b.x + y * b.y + z * b.z + w * b.w;
-
- var to1 = new Quat();
-
- // Adjust signs if necessary
- if (cosom < 0.0)
- {
- cosom = -cosom;
- to1.x = -b.x;
- to1.y = -b.y;
- to1.z = -b.z;
- to1.w = -b.w;
- }
- else
- {
- to1.x = b.x;
- to1.y = b.y;
- to1.z = b.z;
- to1.w = b.w;
- }
-
- real_t sinom, scale0, scale1;
-
- // Calculate coefficients
- if (1.0 - cosom > Mathf.Epsilon)
- {
- // Standard case (Slerp)
- real_t omega = Mathf.Acos(cosom);
- sinom = Mathf.Sin(omega);
- scale0 = Mathf.Sin((1.0f - t) * omega) / sinom;
- scale1 = Mathf.Sin(t * omega) / sinom;
- }
- else
- {
- // Quaternions are very close so we can do a linear interpolation
- scale0 = 1.0f - t;
- scale1 = t;
- }
-
- // Calculate final values
- return new Quat
- (
- scale0 * x + scale1 * to1.x,
- scale0 * y + scale1 * to1.y,
- scale0 * z + scale1 * to1.z,
- scale0 * w + scale1 * to1.w
- );
- }
-
- public Quat Slerpni(Quat b, real_t t)
- {
- real_t dot = Dot(b);
-
- if (Mathf.Abs(dot) > 0.9999f)
- {
- return this;
- }
-
- real_t theta = Mathf.Acos(dot);
- real_t sinT = 1.0f / Mathf.Sin(theta);
- real_t newFactor = Mathf.Sin(t * theta) * sinT;
- real_t invFactor = Mathf.Sin((1.0f - t) * theta) * sinT;
-
- return new Quat
- (
- invFactor * x + newFactor * b.x,
- invFactor * y + newFactor * b.y,
- invFactor * z + newFactor * b.z,
- invFactor * w + newFactor * b.w
- );
- }
-
- public Vector3 Xform(Vector3 v)
- {
- Quat q = this * v;
- q *= Inverse();
- return new Vector3(q.x, q.y, q.z);
- }
-
- // Static Readonly Properties
- public static Quat Identity { get; } = new Quat(0f, 0f, 0f, 1f);
-
- // Constructors
- public Quat(real_t x, real_t y, real_t z, real_t w)
- {
- this.x = x;
- this.y = y;
- this.z = z;
- this.w = w;
- }
-
- public bool IsNormalized()
- {
- return Mathf.Abs(LengthSquared - 1) <= Mathf.Epsilon;
- }
-
- public Quat(Quat q)
- {
- this = q;
- }
-
- public Quat(Basis basis)
- {
- this = basis.Quat();
- }
-
- public Quat(Vector3 eulerYXZ)
- {
- real_t half_a1 = eulerYXZ.y * 0.5f;
- real_t half_a2 = eulerYXZ.x * 0.5f;
- real_t half_a3 = eulerYXZ.z * 0.5f;
-
- // R = Y(a1).X(a2).Z(a3) convention for Euler angles.
- // Conversion to quaternion as listed in https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770024290.pdf (page A-6)
- // a3 is the angle of the first rotation, following the notation in this reference.
-
- real_t cos_a1 = Mathf.Cos(half_a1);
- real_t sin_a1 = Mathf.Sin(half_a1);
- real_t cos_a2 = Mathf.Cos(half_a2);
- real_t sin_a2 = Mathf.Sin(half_a2);
- real_t cos_a3 = Mathf.Cos(half_a3);
- real_t sin_a3 = Mathf.Sin(half_a3);
-
- x = sin_a1 * cos_a2 * sin_a3 + cos_a1 * sin_a2 * cos_a3;
- y = sin_a1 * cos_a2 * cos_a3 - cos_a1 * sin_a2 * sin_a3;
- z = cos_a1 * cos_a2 * sin_a3 - sin_a1 * sin_a2 * cos_a3;
- w = sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3;
- }
-
- public Quat(Vector3 axis, real_t angle)
- {
- real_t d = axis.Length();
- real_t angle_t = angle;
-
- if (d == 0f)
- {
- x = 0f;
- y = 0f;
- z = 0f;
- w = 0f;
- }
- else
- {
- real_t s = Mathf.Sin(angle_t * 0.5f) / d;
-
- x = axis.x * s;
- y = axis.y * s;
- z = axis.z * s;
- w = Mathf.Cos(angle_t * 0.5f);
- }
- }
-
- public static Quat operator *(Quat left, Quat right)
- {
- return new Quat
- (
- left.w * right.x + left.x * right.w + left.y * right.z - left.z * right.y,
- left.w * right.y + left.y * right.w + left.z * right.x - left.x * right.z,
- left.w * right.z + left.z * right.w + left.x * right.y - left.y * right.x,
- left.w * right.w - left.x * right.x - left.y * right.y - left.z * right.z
- );
- }
-
- public static Quat operator +(Quat left, Quat right)
- {
- return new Quat(left.x + right.x, left.y + right.y, left.z + right.z, left.w + right.w);
- }
-
- public static Quat operator -(Quat left, Quat right)
- {
- return new Quat(left.x - right.x, left.y - right.y, left.z - right.z, left.w - right.w);
- }
-
- public static Quat operator -(Quat left)
- {
- return new Quat(-left.x, -left.y, -left.z, -left.w);
- }
-
- public static Quat operator *(Quat left, Vector3 right)
- {
- return new Quat
- (
- left.w * right.x + left.y * right.z - left.z * right.y,
- left.w * right.y + left.z * right.x - left.x * right.z,
- left.w * right.z + left.x * right.y - left.y * right.x,
- -left.x * right.x - left.y * right.y - left.z * right.z
- );
- }
-
- public static Quat operator *(Vector3 left, Quat right)
- {
- return new Quat
- (
- right.w * left.x + right.y * left.z - right.z * left.y,
- right.w * left.y + right.z * left.x - right.x * left.z,
- right.w * left.z + right.x * left.y - right.y * left.x,
- -right.x * left.x - right.y * left.y - right.z * left.z
- );
- }
-
- public static Quat operator *(Quat left, real_t right)
- {
- return new Quat(left.x * right, left.y * right, left.z * right, left.w * right);
- }
-
- public static Quat operator *(real_t left, Quat right)
- {
- return new Quat(right.x * left, right.y * left, right.z * left, right.w * left);
- }
-
- public static Quat operator /(Quat left, real_t right)
- {
- return left * (1.0f / right);
- }
-
- public static bool operator ==(Quat left, Quat right)
- {
- return left.Equals(right);
- }
-
- public static bool operator !=(Quat left, Quat right)
- {
- return !left.Equals(right);
- }
-
- public override bool Equals(object obj)
- {
- if (obj is Quat)
- {
- return Equals((Quat)obj);
- }
-
- return false;
- }
-
- public bool Equals(Quat other)
- {
- return x == other.x && y == other.y && z == other.z && w == other.w;
- }
-
- public bool IsEqualApprox(Quat other)
- {
- return Mathf.IsEqualApprox(x, other.x) && Mathf.IsEqualApprox(y, other.y) && Mathf.IsEqualApprox(z, other.z) && Mathf.IsEqualApprox(w, other.w);
- }
-
- public override int GetHashCode()
- {
- return y.GetHashCode() ^ x.GetHashCode() ^ z.GetHashCode() ^ w.GetHashCode();
- }
-
- public override string ToString()
- {
- return String.Format("({0}, {1}, {2}, {3})", x.ToString(), y.ToString(), z.ToString(), w.ToString());
- }
-
- public string ToString(string format)
- {
- return String.Format("({0}, {1}, {2}, {3})", x.ToString(format), y.ToString(format), z.ToString(format), w.ToString(format));
- }
- }
-}