public bool TryGetInverse(out Matrix3F inverse)
{
var inverter = new GaussJordanInverter <Matrix3F, float>(new Matrix3F(this), CreateIdentity());
var successful = inverter.Invert();
inverse = inverter.Inverse;
return(successful);
}
public static Matrix3F CreateRotationZ(float radians)
{
var result = new Matrix3F
{
E22 = 1.0f,
E00 = (float)Math.Cos(radians),
E01 = (float)Math.Sin(radians)
};
result.E10 = -result.E01;
result.E11 = result.E00;
return(result);
}
public static Matrix3F CreateRotationY(float radians)
{
var result = new Matrix3F
{
E11 = 1.0f,
E00 = (float)Math.Cos(radians),
E20 = (float)Math.Sin(radians)
};
result.E02 = -result.E20;
result.E22 = result.E00;
return(result);
}
public static Matrix3F CreateRotationX(float radians)
{
var result = new Matrix3F
{
E00 = 1.0f,
E11 = (float)Math.Cos(radians),
E12 = (float)Math.Sin(radians)
};
result.E21 = -result.E12;
result.E22 = result.E11;
return(result);
}
private void CopyFrom(Matrix3F source)
{
#if HAS_CODECONTRACTS
Requires(source != null);
#endif
E00 = source.E00;
E01 = source.E01;
E02 = source.E02;
E10 = source.E10;
E11 = source.E11;
E12 = source.E12;
E20 = source.E20;
E21 = source.E21;
E22 = source.E22;
}
public static Matrix3F CreateRotation(Vector2F origin, float radians)
{
var result = new Matrix3F
{
E22 = 1.0f,
E00 = (float)Math.Cos(radians),
E01 = (float)Math.Sin(radians)
};
result.E10 = -result.E01;
result.E11 = result.E00;
result.E20 = origin.X - (result.E00 * origin.X) + (result.E01 * origin.Y);
result.E21 = origin.Y - (result.E01 * origin.X) - (result.E00 * origin.Y);
return(result);
}
public bool Equals(Matrix3F other)
{
return(object.ReferenceEquals(this, other) ||
(
!object.ReferenceEquals(null, other) &&
E00.Equals(other.E00) &&
E01.Equals(other.E01) &&
E02.Equals(other.E02) &&
E10.Equals(other.E10) &&
E11.Equals(other.E11) &&
E12.Equals(other.E12) &&
E20.Equals(other.E20) &&
E21.Equals(other.E21) &&
E22.Equals(other.E22)
));
}
public Matrix3F(Matrix3F source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
E00 = source.E00;
E01 = source.E01;
E02 = source.E02;
E10 = source.E10;
E11 = source.E11;
E12 = source.E12;
E20 = source.E20;
E21 = source.E21;
E22 = source.E22;
}
public Matrix3F GetProduct(Matrix3F right)
{
if (right == null)
{
throw new ArgumentNullException(nameof(right));
}
return(new Matrix3F
{
E00 = (E00 * right.E00) + (E01 * right.E10) + (E02 * right.E20),
E01 = (E00 * right.E01) + (E01 * right.E11) + (E02 * right.E21),
E02 = (E00 * right.E02) + (E01 * right.E12) + (E02 * right.E22),
E10 = (E10 * right.E00) + (E11 * right.E10) + (E12 * right.E20),
E11 = (E10 * right.E01) + (E11 * right.E11) + (E12 * right.E21),
E12 = (E10 * right.E02) + (E11 * right.E12) + (E12 * right.E22),
E20 = (E20 * right.E00) + (E21 * right.E10) + (E22 * right.E20),
E21 = (E20 * right.E01) + (E21 * right.E11) + (E22 * right.E21),
E22 = (E20 * right.E02) + (E21 * right.E12) + (E22 * right.E22)
});
}
public Matrix3F GetDifference(Matrix3F other)
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
return(new Matrix3F
{
E00 = E00 - other.E00,
E01 = E01 - other.E01,
E02 = E02 - other.E02,
E10 = E10 - other.E10,
E11 = E11 - other.E11,
E12 = E12 - other.E12,
E20 = E20 - other.E20,
E21 = E21 - other.E21,
E22 = E22 - other.E22
});
}
public Matrix3F GetSum(Matrix3F other)
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
return(new Matrix3F
{
E00 = other.E00 + E00,
E01 = other.E01 + E01,
E02 = other.E02 + E02,
E10 = other.E10 + E10,
E11 = other.E11 + E11,
E12 = other.E12 + E12,
E20 = other.E20 + E20,
E21 = other.E21 + E21,
E22 = other.E22 + E22
});
}
