diff options
Diffstat (limited to 'modules/mono/glue/GodotSharp')
10 files changed, 263 insertions, 368 deletions
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/AABB.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/AABB.cs index 13a21ae8bc..0e46b63b59 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/AABB.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/AABB.cs @@ -437,48 +437,25 @@ namespace Godot /// <summary> /// Returns <see langword="true"/> if the <see cref="AABB"/> overlaps with <paramref name="with"/> /// (i.e. they have at least one point in common). - /// - /// If <paramref name="includeBorders"/> is <see langword="true"/>, - /// they will also be considered overlapping if their borders touch, - /// even without intersection. /// </summary> /// <param name="with">The other <see cref="AABB"/> to check for intersections with.</param> - /// <param name="includeBorders">Whether or not to consider borders.</param> /// <returns> /// A <see langword="bool"/> for whether or not they are intersecting. /// </returns> - public readonly bool Intersects(AABB with, bool includeBorders = false) + public readonly bool Intersects(AABB with) { - if (includeBorders) - { - if (_position.x > with._position.x + with._size.x) - return false; - if (_position.x + _size.x < with._position.x) - return false; - if (_position.y > with._position.y + with._size.y) - return false; - if (_position.y + _size.y < with._position.y) - return false; - if (_position.z > with._position.z + with._size.z) - return false; - if (_position.z + _size.z < with._position.z) - return false; - } - else - { - if (_position.x >= with._position.x + with._size.x) - return false; - if (_position.x + _size.x <= with._position.x) - return false; - if (_position.y >= with._position.y + with._size.y) - return false; - if (_position.y + _size.y <= with._position.y) - return false; - if (_position.z >= with._position.z + with._size.z) - return false; - if (_position.z + _size.z <= with._position.z) - return false; - } + if (_position.x >= with._position.x + with._size.x) + return false; + if (_position.x + _size.x <= with._position.x) + return false; + if (_position.y >= with._position.y + with._size.y) + return false; + if (_position.y + _size.y <= with._position.y) + return false; + if (_position.z >= with._position.z + with._size.z) + return false; + if (_position.z + _size.z <= with._position.z) + return false; return true; } diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Basis.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Basis.cs index 5aa1622bf8..b57317e1d0 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Basis.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Basis.cs @@ -120,31 +120,6 @@ namespace Godot } /// <summary> - /// The scale of this basis. - /// </summary> - /// <value>Equivalent to the lengths of each column vector, but negative if the determinant is negative.</value> - public Vector3 Scale - { - readonly get - { - real_t detSign = Mathf.Sign(Determinant()); - return detSign * new Vector3 - ( - Column0.Length(), - Column1.Length(), - Column2.Length() - ); - } - set - { - value /= Scale; // Value becomes what's called "delta_scale" in core. - Column0 *= value.x; - Column1 *= value.y; - Column2 *= value.z; - } - } - - /// <summary> /// Access whole columns in the form of <see cref="Vector3"/>. /// </summary> /// <param name="column">Which column vector.</param> @@ -493,12 +468,6 @@ namespace Godot } } - /// <summary> - /// Returns the basis's rotation in the form of a quaternion. - /// See <see cref="GetEuler"/> if you need Euler angles, but keep in - /// mind that quaternions should generally be preferred to Euler angles. - /// </summary> - /// <returns>A <see cref="Quaternion"/> representing the basis's rotation.</returns> internal readonly Quaternion GetQuaternion() { real_t trace = Row0[0] + Row1[1] + Row2[2]; @@ -573,106 +542,18 @@ namespace Godot } /// <summary> - /// Get rows by index. Rows are not very useful for user code, - /// but are more efficient for some internal calculations. - /// </summary> - /// <param name="index">Which row.</param> - /// <exception cref="ArgumentOutOfRangeException"> - /// <paramref name="index"/> is not 0, 1 or 2. - /// </exception> - /// <returns>One of <c>Row0</c>, <c>Row1</c>, or <c>Row2</c>.</returns> - public readonly Vector3 GetRow(int index) - { - switch (index) - { - case 0: - return Row0; - case 1: - return Row1; - case 2: - return Row2; - default: - throw new ArgumentOutOfRangeException(nameof(index)); - } - } - - /// <summary> - /// Sets rows by index. Rows are not very useful for user code, - /// but are more efficient for some internal calculations. + /// Assuming that the matrix is the combination of a rotation and scaling, + /// return the absolute value of scaling factors along each axis. /// </summary> - /// <param name="index">Which row.</param> - /// <param name="value">The vector to set the row to.</param> - /// <exception cref="ArgumentOutOfRangeException"> - /// <paramref name="index"/> is not 0, 1 or 2. - /// </exception> - public void SetRow(int index, Vector3 value) + public readonly Vector3 GetScale() { - switch (index) - { - case 0: - Row0 = value; - return; - case 1: - Row1 = value; - return; - case 2: - Row2 = value; - return; - default: - throw new ArgumentOutOfRangeException(nameof(index)); - } - } - - /// <summary> - /// This function considers a discretization of rotations into - /// 24 points on unit sphere, lying along the vectors (x, y, z) with - /// each component being either -1, 0, or 1, and returns the index - /// of the point best representing the orientation of the object. - /// It is mainly used by the <see cref="GridMap"/> editor. - /// - /// For further details, refer to the Godot source code. - /// </summary> - /// <returns>The orthogonal index.</returns> - public readonly int GetOrthogonalIndex() - { - var orth = this; - - for (int i = 0; i < 3; i++) - { - for (int j = 0; j < 3; j++) - { - var row = orth.GetRow(i); - - real_t v = row[j]; - - if (v > 0.5f) - { - v = 1.0f; - } - else if (v < -0.5f) - { - v = -1.0f; - } - else - { - v = 0f; - } - - row[j] = v; - - orth.SetRow(i, row); - } - } - - for (int i = 0; i < 24; i++) - { - if (orth == _orthoBases[i]) - { - return i; - } - } - - return 0; + real_t detSign = Mathf.Sign(Determinant()); + return detSign * new Vector3 + ( + Column0.Length(), + Column1.Length(), + Column2.Length() + ); } /// <summary> @@ -906,7 +787,7 @@ namespace Godot /// <param name="quaternion">The quaternion to create the basis from.</param> public Basis(Quaternion quaternion) { - real_t s = 2.0f / quaternion.LengthSquared; + real_t s = 2.0f / quaternion.LengthSquared(); real_t xs = quaternion.x * s; real_t ys = quaternion.y * s; @@ -935,26 +816,26 @@ namespace Godot public Basis(Vector3 axis, real_t angle) { Vector3 axisSq = new Vector3(axis.x * axis.x, axis.y * axis.y, axis.z * axis.z); - real_t cosine = Mathf.Cos(angle); - Row0.x = axisSq.x + cosine * (1.0f - axisSq.x); - Row1.y = axisSq.y + cosine * (1.0f - axisSq.y); - Row2.z = axisSq.z + cosine * (1.0f - axisSq.z); + (real_t sin, real_t cos) = Mathf.SinCos(angle); - real_t sine = Mathf.Sin(angle); - real_t t = 1.0f - cosine; + Row0.x = axisSq.x + cos * (1.0f - axisSq.x); + Row1.y = axisSq.y + cos * (1.0f - axisSq.y); + Row2.z = axisSq.z + cos * (1.0f - axisSq.z); + + real_t t = 1.0f - cos; real_t xyzt = axis.x * axis.y * t; - real_t zyxs = axis.z * sine; + real_t zyxs = axis.z * sin; Row0.y = xyzt - zyxs; Row1.x = xyzt + zyxs; xyzt = axis.x * axis.z * t; - zyxs = axis.y * sine; + zyxs = axis.y * sin; Row0.z = xyzt + zyxs; Row2.x = xyzt - zyxs; xyzt = axis.y * axis.z * t; - zyxs = axis.x * sine; + zyxs = axis.x * sin; Row1.z = xyzt - zyxs; Row2.y = xyzt + zyxs; } @@ -977,8 +858,20 @@ namespace Godot // We need to assign the struct fields here first so we can't do it that way... } - // Arguments are named such that xy is equal to calling x.y - internal Basis(real_t xx, real_t yx, real_t zx, real_t xy, real_t yy, real_t zy, real_t xz, real_t yz, real_t zz) + /// <summary> + /// Constructs a transformation matrix from the given components. + /// Arguments are named such that xy is equal to calling <c>x.y</c>. + /// </summary> + /// <param name="xx">The X component of the X column vector, accessed via <c>b.x.x</c> or <c>[0][0]</c>.</param> + /// <param name="yx">The X component of the Y column vector, accessed via <c>b.y.x</c> or <c>[1][0]</c>.</param> + /// <param name="zx">The X component of the Z column vector, accessed via <c>b.z.x</c> or <c>[2][0]</c>.</param> + /// <param name="xy">The Y component of the X column vector, accessed via <c>b.x.y</c> or <c>[0][1]</c>.</param> + /// <param name="yy">The Y component of the Y column vector, accessed via <c>b.y.y</c> or <c>[1][1]</c>.</param> + /// <param name="zy">The Y component of the Z column vector, accessed via <c>b.y.y</c> or <c>[2][1]</c>.</param> + /// <param name="xz">The Z component of the X column vector, accessed via <c>b.x.y</c> or <c>[0][2]</c>.</param> + /// <param name="yz">The Z component of the Y column vector, accessed via <c>b.y.y</c> or <c>[1][2]</c>.</param> + /// <param name="zz">The Z component of the Z column vector, accessed via <c>b.y.y</c> or <c>[2][2]</c>.</param> + public Basis(real_t xx, real_t yx, real_t zx, real_t xy, real_t yy, real_t zy, real_t xz, real_t yz, real_t zz) { Row0 = new Vector3(xx, yx, zx); Row1 = new Vector3(xy, yy, zy); @@ -992,19 +885,29 @@ namespace Godot /// <param name="order">The order to compose the Euler angles.</param> public static Basis FromEuler(Vector3 euler, EulerOrder order = EulerOrder.Yxz) { - real_t c, s; - - c = Mathf.Cos(euler.x); - s = Mathf.Sin(euler.x); - Basis xmat = new Basis(new Vector3(1, 0, 0), new Vector3(0, c, s), new Vector3(0, -s, c)); + (real_t sin, real_t cos) = Mathf.SinCos(euler.x); + Basis xmat = new Basis + ( + new Vector3(1, 0, 0), + new Vector3(0, cos, sin), + new Vector3(0, -sin, cos) + ); - c = Mathf.Cos(euler.y); - s = Mathf.Sin(euler.y); - Basis ymat = new Basis(new Vector3(c, 0, -s), new Vector3(0, 1, 0), new Vector3(s, 0, c)); + (sin, cos) = Mathf.SinCos(euler.y); + Basis ymat = new Basis + ( + new Vector3(cos, 0, -sin), + new Vector3(0, 1, 0), + new Vector3(sin, 0, cos) + ); - c = Mathf.Cos(euler.z); - s = Mathf.Sin(euler.z); - Basis zmat = new Basis(new Vector3(c, s, 0), new Vector3(-s, c, 0), new Vector3(0, 0, 1)); + (sin, cos) = Mathf.SinCos(euler.z); + Basis zmat = new Basis + ( + new Vector3(cos, sin, 0), + new Vector3(-sin, cos, 0), + new Vector3(0, 0, 1) + ); switch (order) { diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/MathfEx.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/MathfEx.cs index ea05c1547c..72a1868964 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/MathfEx.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/MathfEx.cs @@ -83,6 +83,17 @@ namespace Godot } /// <summary> + /// Returns the sine and cosine of angle <paramref name="s"/> in radians. + /// </summary> + /// <param name="s">The angle in radians.</param> + /// <returns>The sine and cosine of that angle.</returns> + public static (real_t Sin, real_t Cos) SinCos(real_t s) + { + (double sin, double cos) = Math.SinCos(s); + return ((real_t)sin, (real_t)cos); + } + + /// <summary> /// Returns <see langword="true"/> if <paramref name="a"/> and <paramref name="b"/> are approximately /// equal to each other. /// The comparison is done using the provided tolerance value. diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Plane.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Plane.cs index 9e5f7c4f9e..8a125e3c73 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Plane.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Plane.cs @@ -15,7 +15,7 @@ namespace Godot private Vector3 _normal; /// <summary> - /// The normal of the plane, which must be normalized. + /// The normal of the plane, which must be a unit vector. /// In the scalar equation of the plane <c>ax + by + cz = d</c>, this is /// the vector <c>(a, b, c)</c>, where <c>d</c> is the <see cref="D"/> property. /// </summary> @@ -85,23 +85,6 @@ namespace Godot public real_t D { get; set; } /// <summary> - /// The center of the plane, the point where the normal line intersects the plane. - /// </summary> - /// <value>Equivalent to <see cref="Normal"/> multiplied by <see cref="D"/>.</value> - public Vector3 Center - { - readonly get - { - return _normal * D; - } - set - { - _normal = value.Normalized(); - D = value.Length(); - } - } - - /// <summary> /// Returns the shortest distance from this plane to the position <paramref name="point"/>. /// </summary> /// <param name="point">The position to use for the calculation.</param> @@ -112,6 +95,16 @@ namespace Godot } /// <summary> + /// Returns the center of the plane, the point on the plane closest to the origin. + /// The point where the normal line going through the origin intersects the plane. + /// </summary> + /// <value>Equivalent to <see cref="Normal"/> multiplied by <see cref="D"/>.</value> + public readonly Vector3 GetCenter() + { + return _normal * D; + } + + /// <summary> /// Returns <see langword="true"/> if point is inside the plane. /// Comparison uses a custom minimum tolerance threshold. /// </summary> @@ -155,7 +148,7 @@ namespace Godot /// <param name="from">The start of the ray.</param> /// <param name="dir">The direction of the ray, normalized.</param> /// <returns>The intersection, or <see langword="null"/> if none is found.</returns> - public readonly Vector3? IntersectRay(Vector3 from, Vector3 dir) + public readonly Vector3? IntersectsRay(Vector3 from, Vector3 dir) { real_t den = _normal.Dot(dir); @@ -183,7 +176,7 @@ namespace Godot /// <param name="begin">The start of the line segment.</param> /// <param name="end">The end of the line segment.</param> /// <returns>The intersection, or <see langword="null"/> if none is found.</returns> - public readonly Vector3? IntersectSegment(Vector3 begin, Vector3 end) + public readonly Vector3? IntersectsSegment(Vector3 begin, Vector3 end) { Vector3 segment = begin - end; real_t den = _normal.Dot(segment); @@ -290,10 +283,21 @@ namespace Godot } /// <summary> + /// Constructs a <see cref="Plane"/> from a <paramref name="normal"/> vector. + /// The plane will intersect the origin. + /// </summary> + /// <param name="normal">The normal of the plane, must be a unit vector.</param> + public Plane(Vector3 normal) + { + _normal = normal; + D = 0; + } + + /// <summary> /// Constructs a <see cref="Plane"/> from a <paramref name="normal"/> vector and /// the plane's distance to the origin <paramref name="d"/>. /// </summary> - /// <param name="normal">The normal of the plane, must be normalized.</param> + /// <param name="normal">The normal of the plane, must be a unit vector.</param> /// <param name="d">The plane's distance from the origin. This value is typically non-negative.</param> public Plane(Vector3 normal, real_t d) { @@ -305,7 +309,7 @@ namespace Godot /// Constructs a <see cref="Plane"/> from a <paramref name="normal"/> vector and /// a <paramref name="point"/> on the plane. /// </summary> - /// <param name="normal">The normal of the plane, must be normalized.</param> + /// <param name="normal">The normal of the plane, must be a unit vector.</param> /// <param name="point">The point on the plane.</param> public Plane(Vector3 normal, Vector3 point) { diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Projection.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Projection.cs index fd37f8d9e8..f11b3c553a 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Projection.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Projection.cs @@ -381,14 +381,14 @@ namespace Godot } real_t radians = Mathf.DegToRad(fovyDegrees / (real_t)2.0); real_t deltaZ = zFar - zNear; - real_t sine = Mathf.Sin(radians); + (real_t sin, real_t cos) = Mathf.SinCos(radians); - if ((deltaZ == 0) || (sine == 0) || (aspect == 0)) + if ((deltaZ == 0) || (sin == 0) || (aspect == 0)) { return Zero; } - real_t cotangent = Mathf.Cos(radians) / sine; + real_t cotangent = cos / sin; Projection proj = Projection.Identity; diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Quaternion.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Quaternion.cs index 10116e9fa4..8e4f9178f7 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Quaternion.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Quaternion.cs @@ -97,27 +97,6 @@ namespace Godot } /// <summary> - /// Returns the length (magnitude) of the quaternion. - /// </summary> - /// <seealso cref="LengthSquared"/> - /// <value>Equivalent to <c>Mathf.Sqrt(LengthSquared)</c>.</value> - public readonly real_t Length - { - get { return Mathf.Sqrt(LengthSquared); } - } - - /// <summary> - /// Returns the squared length (squared magnitude) of the quaternion. - /// This method runs faster than <see cref="Length"/>, so prefer it if - /// you need to compare quaternions or need the squared length for some formula. - /// </summary> - /// <value>Equivalent to <c>Dot(this)</c>.</value> - public readonly real_t LengthSquared - { - get { return Dot(this); } - } - - /// <summary> /// Returns the angle between this quaternion and <paramref name="to"/>. /// This is the magnitude of the angle you would need to rotate /// by to get from one to the other. @@ -355,7 +334,7 @@ namespace Godot /// <returns>A <see langword="bool"/> for whether the quaternion is normalized or not.</returns> public readonly bool IsNormalized() { - return Mathf.Abs(LengthSquared - 1) <= Mathf.Epsilon; + return Mathf.Abs(LengthSquared() - 1) <= Mathf.Epsilon; } public readonly Quaternion Log() @@ -365,12 +344,33 @@ namespace Godot } /// <summary> + /// Returns the length (magnitude) of the quaternion. + /// </summary> + /// <seealso cref="LengthSquared"/> + /// <value>Equivalent to <c>Mathf.Sqrt(LengthSquared)</c>.</value> + public readonly real_t Length() + { + return Mathf.Sqrt(LengthSquared()); + } + + /// <summary> + /// Returns the squared length (squared magnitude) of the quaternion. + /// This method runs faster than <see cref="Length"/>, so prefer it if + /// you need to compare quaternions or need the squared length for some formula. + /// </summary> + /// <value>Equivalent to <c>Dot(this)</c>.</value> + public readonly real_t LengthSquared() + { + return Dot(this); + } + + /// <summary> /// Returns a copy of the quaternion, normalized to unit length. /// </summary> /// <returns>The normalized quaternion.</returns> public readonly Quaternion Normalized() { - return this / Length; + return this / Length(); } /// <summary> @@ -542,14 +542,13 @@ namespace Godot } else { - real_t sinAngle = Mathf.Sin(angle * 0.5f); - real_t cosAngle = Mathf.Cos(angle * 0.5f); - real_t s = sinAngle / d; + (real_t sin, real_t cos) = Mathf.SinCos(angle * 0.5f); + real_t s = sin / d; x = axis.x * s; y = axis.y * s; z = axis.z * s; - w = cosAngle; + w = cos; } } @@ -593,12 +592,9 @@ namespace Godot // 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 cosA1 = Mathf.Cos(halfA1); - real_t sinA1 = Mathf.Sin(halfA1); - real_t cosA2 = Mathf.Cos(halfA2); - real_t sinA2 = Mathf.Sin(halfA2); - real_t cosA3 = Mathf.Cos(halfA3); - real_t sinA3 = Mathf.Sin(halfA3); + (real_t sinA1, real_t cosA1) = Mathf.SinCos(halfA1); + (real_t sinA2, real_t cosA2) = Mathf.SinCos(halfA2); + (real_t sinA3, real_t cosA3) = Mathf.SinCos(halfA3); return new Quaternion( (sinA1 * cosA2 * sinA3) + (cosA1 * sinA2 * cosA3), diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2i.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2i.cs index faee81a98a..cf8939a859 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2i.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2i.cs @@ -275,38 +275,19 @@ namespace Godot /// <summary> /// Returns <see langword="true"/> if the <see cref="Rect2i"/> overlaps with <paramref name="b"/> /// (i.e. they have at least one point in common). - /// - /// If <paramref name="includeBorders"/> is <see langword="true"/>, - /// they will also be considered overlapping if their borders touch, - /// even without intersection. /// </summary> /// <param name="b">The other <see cref="Rect2i"/> to check for intersections with.</param> - /// <param name="includeBorders">Whether or not to consider borders.</param> /// <returns>A <see langword="bool"/> for whether or not they are intersecting.</returns> - public readonly bool Intersects(Rect2i b, bool includeBorders = false) + public readonly bool Intersects(Rect2i b) { - if (includeBorders) - { - if (_position.x > b._position.x + b._size.x) - return false; - if (_position.x + _size.x < b._position.x) - return false; - if (_position.y > b._position.y + b._size.y) - return false; - if (_position.y + _size.y < b._position.y) - return false; - } - else - { - if (_position.x >= b._position.x + b._size.x) - return false; - if (_position.x + _size.x <= b._position.x) - return false; - if (_position.y >= b._position.y + b._size.y) - return false; - if (_position.y + _size.y <= b._position.y) - return false; - } + if (_position.x >= b._position.x + b._size.x) + return false; + if (_position.x + _size.x <= b._position.x) + return false; + if (_position.y >= b._position.y + b._size.y) + return false; + if (_position.y + _size.y <= b._position.y) + return false; return true; } diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform2D.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform2D.cs index c99d91bff1..fa060e3a53 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform2D.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform2D.cs @@ -32,45 +32,6 @@ namespace Godot public Vector2 origin; /// <summary> - /// The rotation of this transformation matrix. - /// </summary> - /// <value>Getting is equivalent to calling <see cref="Mathf.Atan2(real_t, real_t)"/> with the values of <see cref="x"/>.</value> - public real_t Rotation - { - readonly get - { - return Mathf.Atan2(x.y, 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; - } - } - - /// <summary> - /// The scale of this transformation matrix. - /// </summary> - /// <value>Equivalent to the lengths of each column vector, but Y is negative if the determinant is negative.</value> - public Vector2 Scale - { - readonly get - { - real_t detSign = Mathf.Sign(BasisDeterminant()); - return new Vector2(x.Length(), detSign * y.Length()); - } - set - { - value /= Scale; // Value becomes what's called "delta_scale" in core. - x *= value.x; - y *= value.y; - } - } - - /// <summary> /// Access whole columns in the form of <see cref="Vector2"/>. /// The third column is the <see cref="origin"/> vector. /// </summary> @@ -203,6 +164,23 @@ namespace Godot } /// <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> /// <param name="transform">The other transform.</param> @@ -210,15 +188,17 @@ namespace Godot /// <returns>The interpolated transform.</returns> public readonly Transform2D InterpolateWith(Transform2D transform, real_t weight) { - real_t r1 = Rotation; - real_t r2 = transform.Rotation; + real_t r1 = GetRotation(); + real_t r2 = transform.GetRotation(); - Vector2 s1 = Scale; - Vector2 s2 = transform.Scale; + Vector2 s1 = GetScale(); + Vector2 s2 = transform.GetScale(); // Slerp rotation - var v1 = new Vector2(Mathf.Cos(r1), Mathf.Sin(r1)); - var v2 = new Vector2(Mathf.Cos(r2), Mathf.Sin(r2)); + (real_t sin1, real_t cos1) = Mathf.SinCos(r1); + (real_t sin2, real_t cos2) = Mathf.SinCos(r2); + var v1 = new Vector2(cos1, sin1); + var v2 = new Vector2(cos2, sin2); real_t dot = v1.Dot(v2); @@ -235,7 +215,8 @@ namespace Godot { real_t angle = weight * Mathf.Acos(dot); Vector2 v3 = (v2 - (v1 * dot)).Normalized(); - v = (v1 * Mathf.Cos(angle)) + (v3 * Mathf.Sin(angle)); + (real_t sine, real_t cos) = Mathf.SinCos(angle); + v = (v1 * sine) + (v3 * cos); } // Extract parameters @@ -433,7 +414,7 @@ namespace Godot /// <summary> /// Constructs a transformation matrix from the given components. - /// Arguments are named such that xy is equal to calling x.y + /// Arguments are named such that xy is equal to calling <c>x.y</c>. /// </summary> /// <param name="xx">The X component of the X column vector, accessed via <c>t.x.x</c> or <c>[0][0]</c>.</param> /// <param name="xy">The Y component of the X column vector, accessed via <c>t.x.y</c> or <c>[0][1]</c>.</param> @@ -456,13 +437,34 @@ namespace Godot /// <param name="origin">The origin vector, or column index 2.</param> public Transform2D(real_t rotation, Vector2 origin) { - x.x = y.y = Mathf.Cos(rotation); - x.y = y.x = Mathf.Sin(rotation); + (real_t sin, real_t cos) = Mathf.SinCos(rotation); + x.x = y.y = cos; + x.y = y.x = sin; y.x *= -1; this.origin = origin; } /// <summary> + /// Constructs a transformation matrix from a <paramref name="rotation"/> value, + /// <paramref name="scale"/> vector, <paramref name="skew"/> value, and + /// <paramref name="origin"/> vector. + /// </summary> + /// <param name="rotation">The rotation of the new transform, in radians.</param> + /// <param name="scale">The scale of the new transform.</param> + /// <param name="skew">The skew of the new transform, in radians.</param> + /// <param name="origin">The origin vector, or column index 2.</param> + public Transform2D(real_t rotation, Vector2 scale, real_t skew, Vector2 origin) + { + (real_t rotationSin, real_t rotationCos) = Mathf.SinCos(rotation); + (real_t rotationSkewSin, real_t rotationSkewCos) = Mathf.SinCos(rotation + skew); + x.x = rotationCos * scale.x; + y.y = rotationSkewCos * scale.y; + y.x = -rotationSkewSin * scale.y; + x.y = rotationSin * scale.x; + this.origin = origin; + } + + /// <summary> /// Composes these two transformation matrices by multiplying them /// together. This has the effect of transforming the second transform /// (the child) by the first transform (the parent). diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform3D.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform3D.cs index dee1e91512..6b2475fc59 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform3D.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Transform3D.cs @@ -115,16 +115,30 @@ namespace Godot } /// <summary> - /// Interpolates this transform to the other <paramref name="transform"/> by <paramref name="weight"/>. + /// Returns a transform interpolated between this transform and another + /// <paramref name="transform"/> by a given <paramref name="weight"/> + /// (on the range of 0.0 to 1.0). /// </summary> /// <param name="transform">The other transform.</param> /// <param name="weight">A value on the range of 0.0 to 1.0, representing the amount of interpolation.</param> /// <returns>The interpolated transform.</returns> public readonly Transform3D InterpolateWith(Transform3D transform, real_t weight) { - Basis retBasis = basis.Lerp(transform.basis, weight); - Vector3 retOrigin = origin.Lerp(transform.origin, weight); - return new Transform3D(retBasis, retOrigin); + Vector3 sourceScale = basis.GetScale(); + Quaternion sourceRotation = basis.GetRotationQuaternion(); + Vector3 sourceLocation = origin; + + Vector3 destinationScale = transform.basis.GetScale(); + Quaternion destinationRotation = transform.basis.GetRotationQuaternion(); + Vector3 destinationLocation = transform.origin; + + var interpolated = new Transform3D(); + Quaternion quaternion = sourceRotation.Slerp(destinationRotation, weight).Normalized(); + Vector3 scale = sourceScale.Lerp(destinationScale, weight); + interpolated.basis.SetQuaternionScale(quaternion, scale); + interpolated.origin = sourceLocation.Lerp(destinationLocation, weight); + + return interpolated; } /// <summary> @@ -233,34 +247,6 @@ namespace Godot return new Transform3D(basis * tmpBasis, origin); } - /// <summary> - /// Returns a transform spherically interpolated between this transform and - /// another <paramref name="transform"/> by <paramref name="weight"/>. - /// </summary> - /// <param name="transform">The other transform.</param> - /// <param name="weight">A value on the range of 0.0 to 1.0, representing the amount of interpolation.</param> - /// <returns>The interpolated transform.</returns> - public readonly Transform3D SphericalInterpolateWith(Transform3D transform, real_t weight) - { - /* not sure if very "efficient" but good enough? */ - - Vector3 sourceScale = basis.Scale; - Quaternion sourceRotation = basis.GetRotationQuaternion(); - Vector3 sourceLocation = origin; - - Vector3 destinationScale = transform.basis.Scale; - Quaternion destinationRotation = transform.basis.GetRotationQuaternion(); - Vector3 destinationLocation = transform.origin; - - var interpolated = new Transform3D(); - Quaternion quaternion = sourceRotation.Slerp(destinationRotation, weight).Normalized(); - Vector3 scale = sourceScale.Lerp(destinationScale, weight); - interpolated.basis.SetQuaternionScale(quaternion, scale); - interpolated.origin = sourceLocation.Lerp(destinationLocation, weight); - - return interpolated; - } - private void SetLookAt(Vector3 eye, Vector3 target, Vector3 up) { // Make rotation matrix @@ -356,15 +342,25 @@ namespace Godot } /// <summary> - /// Constructs a transformation matrix from the given <paramref name="quaternion"/> - /// and <paramref name="origin"/> vector. + /// Constructs a transformation matrix from the given components. + /// Arguments are named such that xy is equal to calling <c>basis.x.y</c>. /// </summary> - /// <param name="quaternion">The <see cref="Quaternion"/> to create the basis from.</param> - /// <param name="origin">The origin vector, or column index 3.</param> - public Transform3D(Quaternion quaternion, Vector3 origin) + /// <param name="xx">The X component of the X column vector, accessed via <c>t.basis.x.x</c> or <c>[0][0]</c>.</param> + /// <param name="yx">The X component of the Y column vector, accessed via <c>t.basis.y.x</c> or <c>[1][0]</c>.</param> + /// <param name="zx">The X component of the Z column vector, accessed via <c>t.basis.z.x</c> or <c>[2][0]</c>.</param> + /// <param name="xy">The Y component of the X column vector, accessed via <c>t.basis.x.y</c> or <c>[0][1]</c>.</param> + /// <param name="yy">The Y component of the Y column vector, accessed via <c>t.basis.y.y</c> or <c>[1][1]</c>.</param> + /// <param name="zy">The Y component of the Z column vector, accessed via <c>t.basis.y.y</c> or <c>[2][1]</c>.</param> + /// <param name="xz">The Z component of the X column vector, accessed via <c>t.basis.x.y</c> or <c>[0][2]</c>.</param> + /// <param name="yz">The Z component of the Y column vector, accessed via <c>t.basis.y.y</c> or <c>[1][2]</c>.</param> + /// <param name="zz">The Z component of the Z column vector, accessed via <c>t.basis.y.y</c> or <c>[2][2]</c>.</param> + /// <param name="ox">The X component of the origin vector, accessed via <c>t.origin.x</c> or <c>[2][0]</c>.</param> + /// <param name="oy">The Y component of the origin vector, accessed via <c>t.origin.y</c> or <c>[2][1]</c>.</param> + /// <param name="oz">The Z component of the origin vector, accessed via <c>t.origin.z</c> or <c>[2][2]</c>.</param> + public Transform3D(real_t xx, real_t yx, real_t zx, real_t xy, real_t yy, real_t zy, real_t xz, real_t yz, real_t zz, real_t ox, real_t oy, real_t oz) { - basis = new Basis(quaternion); - this.origin = origin; + basis = new Basis(xx, yx, zx, xy, yy, zy, xz, yz, zz); + origin = new Vector3(ox, oy, oz); } /// <summary> @@ -380,6 +376,29 @@ namespace Godot } /// <summary> + /// Constructs a transformation matrix from the given <paramref name="projection"/> + /// by trimming the last row of the projection matrix (<c>projection.x.w</c>, + /// <c>projection.y.w</c>, <c>projection.z.w</c>, and <c>projection.w.w</c> + /// are not copied over). + /// </summary> + /// <param name="projection">The <see cref="Projection"/> to create the transform from.</param> + public Transform3D(Projection projection) + { + basis = new Basis + ( + projection.x.x, projection.y.x, projection.z.x, + projection.x.y, projection.y.y, projection.z.y, + projection.x.z, projection.y.z, projection.z.z + ); + origin = new Vector3 + ( + projection.w.x, + projection.w.y, + projection.w.z + ); + } + + /// <summary> /// Composes these two transformation matrices by multiplying them /// together. This has the effect of transforming the second transform /// (the child) by the first transform (the parent). diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Vector2.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Vector2.cs index 57cbef1c5c..1e88e18b3d 100644 --- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Vector2.cs +++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Vector2.cs @@ -539,11 +539,12 @@ namespace Godot /// <returns>The rotated vector.</returns> public readonly Vector2 Rotated(real_t angle) { - real_t sine = Mathf.Sin(angle); - real_t cosi = Mathf.Cos(angle); - return new Vector2( - x * cosi - y * sine, - x * sine + y * cosi); + (real_t sin, real_t cos) = Mathf.SinCos(angle); + return new Vector2 + ( + x * cos - y * sin, + x * sin + y * cos + ); } /// <summary> @@ -693,7 +694,8 @@ namespace Godot /// <returns>The resulting vector.</returns> public static Vector2 FromAngle(real_t angle) { - return new Vector2(Mathf.Cos(angle), Mathf.Sin(angle)); + (real_t sin, real_t cos) = Mathf.SinCos(angle); + return new Vector2(cos, sin); } /// <summary> |