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Fix [LIBOMV-985] Matrix4.Inverse fails to calculate the inverse of almost any matrix

Browse Source 
https://metaverse.atlassian.net/browse/LIBOMV-985
This commit is contained in:
Takeshich NAKAMURA
2016-03-19 21:00:17 +09:00
parent 9041c95adc
commit 74448d19be
2 changed files with 33 additions and 4 deletions
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11
OpenMetaverseTypes/Matrix4.cs
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@@ -161,7 +161,7 @@ namespace OpenMetaverse
float det = 0f;
float diag1 = M11 * M22 * M33;
float diag2 = M12 * M32 * M31;
float diag2 = M12 * M23 * M31;
float diag3 = M13 * M21 * M32;
float diag4 = M31 * M22 * M13;
float diag5 = M32 * M23 * M11;
@@ -950,7 +950,7 @@ namespace OpenMetaverse
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
adjointMatrix[i,j] = (float)(Math.Pow(-1, i + j) * ((Minor(matrix, i, j)).Determinant()));
adjointMatrix[i,j] = (float)(Math.Pow(-1, i + j) * ((Minor(matrix, i, j)).Determinant3x3()));
}
adjointMatrix = Transpose(adjointMatrix);
@@ -986,12 +986,15 @@ namespace OpenMetaverse
public override bool Equals(object obj)
{
return (obj is Matrix4) ? this == (Matrix4)obj : false;
return (obj is Matrix4) ? this.Equals((Matrix4)obj) : false;
}
public bool Equals(Matrix4 other)
{
return this == other;
return M11 == other.M11 && M12 == other.M12 && M13 == other.M13 && M14 == other.M14 &&
M21 == other.M21 && M22 == other.M22 && M23 == other.M23 && M24 == other.M24 &&
M31 == other.M31 && M32 == other.M32 && M33 == other.M33 && M14 == other.M34 &&
M41 == other.M41 && M42 == other.M42 && M43 == other.M43 && M44 == other.M44;
}
public override int GetHashCode()