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Commit 2c26e7f1 by Ignacio Etcheverry
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C#: Basis fixes and cleanup

Fix Basis operator[int]. Now it returns columns instead of rows. Fix Transform2D.AfficeInverse() mutating rather than returning a new Transform2D.
parent aa5b9982
Showing with 62 additions and 75 deletions
modules/mono/glue/Managed/Files/Quat.cs
......@@ -123,22 +123,23 @@ namespace Godot
// Calculate cosine
real_t cosom = x * b.x + y * b.y + z * b.z + w * b.w;
var to1 = new real_t[4];
var to1 = new Quat();
// Adjust signs if necessary
if (cosom < 0.0)
{
cosom = -cosom; to1[0] = -b.x;
to1[1] = -b.y;
to1[2] = -b.z;
to1[3] = -b.w;
cosom = -cosom;
to1.x = -b.x;
to1.y = -b.y;
to1.z = -b.z;
to1.w = -b.w;
}
else
{
to1[0] = b.x;
to1[1] = b.y;
to1[2] = b.z;
to1[3] = b.w;
to1.x = b.x;
to1.y = b.y;
to1.z = b.z;
to1.w = b.w;
}
real_t sinom, scale0, scale1;
......@@ -162,10 +163,10 @@ namespace Godot
// Calculate final values
return new Quat
(
scale0 * x + scale1 * to1[0],
scale0 * y + scale1 * to1[1],
scale0 * z + scale1 * to1[2],
scale0 * w + scale1 * to1[3]
scale0 * x + scale1 * to1.x,
scale0 * y + scale1 * to1.y,
scale0 * z + scale1 * to1.z,
scale0 * w + scale1 * to1.w
);
}
......
modules/mono/glue/Managed/Files/Transform.cs
......@@ -71,21 +71,21 @@ namespace Godot
{
// Make rotation matrix
// Z vector
Vector3 zAxis = eye - target;
Vector3 column2 = eye - target;
zAxis.Normalize();
column2.Normalize();
Vector3 yAxis = up;
Vector3 column1 = up;
Vector3 xAxis = yAxis.Cross(zAxis);
Vector3 column0 = column1.Cross(column2);
// Recompute Y = Z cross X
yAxis = zAxis.Cross(xAxis);
column1 = column2.Cross(column0);
xAxis.Normalize();
yAxis.Normalize();
column0.Normalize();
column1.Normalize();
basis = Basis.CreateFromAxes(xAxis, yAxis, zAxis);
basis = new Basis(column0, column1, column2);
origin = eye;
}
......@@ -94,9 +94,9 @@ namespace Godot
{
return new Transform(basis, new Vector3
(
origin[0] += basis[0].Dot(ofs),
origin[1] += basis[1].Dot(ofs),
origin[2] += basis[2].Dot(ofs)
origin[0] += basis.Row0.Dot(ofs),
origin[1] += basis.Row1.Dot(ofs),
origin[2] += basis.Row2.Dot(ofs)
));
}
......@@ -104,9 +104,9 @@ namespace Godot
{
return new Vector3
(
basis[0].Dot(v) + origin.x,
basis[1].Dot(v) + origin.y,
basis[2].Dot(v) + origin.z
basis.Row0.Dot(v) + origin.x,
basis.Row1.Dot(v) + origin.y,
basis.Row2.Dot(v) + origin.z
);
}
......@@ -116,9 +116,9 @@ namespace Godot
return new Vector3
(
basis[0, 0] * vInv.x + basis[1, 0] * vInv.y + basis[2, 0] * vInv.z,
basis[0, 1] * vInv.x + basis[1, 1] * vInv.y + basis[2, 1] * vInv.z,
basis[0, 2] * vInv.x + basis[1, 2] * vInv.y + basis[2, 2] * vInv.z
basis.Row0[0] * vInv.x + basis.Row1[0] * vInv.y + basis.Row2[0] * vInv.z,
basis.Row0[1] * vInv.x + basis.Row1[1] * vInv.y + basis.Row2[1] * vInv.z,
basis.Row0[2] * vInv.x + basis.Row1[2] * vInv.y + basis.Row2[2] * vInv.z
);
}
......@@ -134,9 +134,9 @@ namespace Godot
public static Transform FlipZ { get { return _flipZ; } }
// Constructors
public Transform(Vector3 xAxis, Vector3 yAxis, Vector3 zAxis, Vector3 origin)
public Transform(Vector3 column0, Vector3 column1, Vector3 column2, Vector3 origin)
{
basis = Basis.CreateFromAxes(xAxis, yAxis, zAxis);
basis = new Basis(column0, column1, column2);
this.origin = origin;
}
......
modules/mono/glue/Managed/Files/Transform2D.cs
......@@ -53,11 +53,11 @@ namespace Godot
}
}
public Vector2 this[int index]
public Vector2 this[int rowIndex]
{
get
{
switch (index)
switch (rowIndex)
{
case 0:
return x;
......@@ -71,7 +71,7 @@ namespace Godot
}
set
{
switch (index)
switch (rowIndex)
{
case 0:
x = value;
......@@ -88,29 +88,29 @@ namespace Godot
}
}
public real_t this[int index, int axis]
public real_t this[int rowIndex, int columnIndex]
{
get
{
switch (index)
switch (rowIndex)
{
case 0:
return x[axis];
return x[columnIndex];
case 1:
return y[axis];
return y[columnIndex];
default:
throw new IndexOutOfRangeException();
}
}
set
{
switch (index)
switch (rowIndex)
{
case 0:
x[axis] = value;
x[columnIndex] = value;
return;
case 1:
y[axis] = value;
y[columnIndex] = value;
return;
default:
throw new IndexOutOfRangeException();
......@@ -120,30 +120,23 @@ namespace Godot
public Transform2D AffineInverse()
{
var inv = this;
real_t det = BasisDeterminant();
if (det == 0)
{
return new Transform2D
(
real_t.NaN, real_t.NaN,
real_t.NaN, real_t.NaN,
real_t.NaN, real_t.NaN
);
}
throw new InvalidOperationException("Matrix determinant is zero and cannot be inverted.");
real_t detInv = 1.0f / det;
var inv = this;
real_t temp = this[0, 0];
this[0, 0] = this[1, 1];
this[1, 1] = temp;
real_t temp = inv[0, 0];
inv[0, 0] = inv[1, 1];
inv[1, 1] = temp;
this[0] *= new Vector2(detInv, -detInv);
this[1] *= new Vector2(-detInv, detInv);
real_t detInv = 1.0f / det;
inv[0] *= new Vector2(detInv, -detInv);
inv[1] *= new Vector2(-detInv, detInv);
this[2] = BasisXform(-this[2]);
inv[2] = BasisXform(-inv[2]);
return inv;
}
......@@ -293,9 +286,9 @@ namespace Godot
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 { get { return _identity; } }
public static Transform2D FlipX { get { return _flipX; } }
public static Transform2D FlipY { get { return _flipY; } }
public static Transform2D Identity => _identity;
public static Transform2D FlipX => _flipX;
public static Transform2D FlipY => _flipY;
// Constructors
public Transform2D(Vector2 xAxis, Vector2 yAxis, Vector2 originPos)
......@@ -324,12 +317,10 @@ namespace Godot
{
left.origin = left.Xform(right.origin);
real_t x0, x1, y0, y1;
x0 = left.Tdotx(right.x);
x1 = left.Tdoty(right.x);
y0 = left.Tdotx(right.y);
y1 = left.Tdoty(right.y);
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;
......@@ -351,12 +342,7 @@ namespace Godot
public override bool Equals(object obj)
{
if (obj is Transform2D)
{
return Equals((Transform2D)obj);
}
return false;
return obj is Transform2D transform2D && Equals(transform2D);
}
public bool Equals(Transform2D other)
......
modules/mono/glue/Managed/Managed.csproj
......@@ -11,7 +11,7 @@
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<DebugType>portable</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug</OutputPath>
<DefineConstants>DEBUG;</DefineConstants>
......
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