/// Copy-construct from another matrix.
public Matrix3x4(Matrix3x4 matrix)
{
m00_ = matrix.m00_;
m01_ = matrix.m01_;
m02_ = matrix.m02_;
m03_ = matrix.m03_;
m10_ = matrix.m10_;
m11_ = matrix.m11_;
m12_ = matrix.m12_;
m13_ = matrix.m13_;
m20_ = matrix.m20_;
m21_ = matrix.m21_;
m22_ = matrix.m22_;
m23_ = matrix.m23_;
}
/// Assign from another matrix.
public Matrix3x4 Set(Matrix3x4 rhs)
{
m00_ = rhs.m00_;
m01_ = rhs.m01_;
m02_ = rhs.m02_;
m03_ = rhs.m03_;
m10_ = rhs.m10_;
m11_ = rhs.m11_;
m12_ = rhs.m12_;
m13_ = rhs.m13_;
m20_ = rhs.m20_;
m21_ = rhs.m21_;
m22_ = rhs.m22_;
m23_ = rhs.m23_;
return this;
}
/// Test for equality with another matrix with epsilon.
public bool Equals(Matrix3x4 rhs)
{
return true;
}
/// Return inverse.
public Matrix3x4 Inverse()
{
float det = m00_ * m11_ * m22_ +
m10_ * m21_ * m02_ +
m20_ * m01_ * m12_ -
m20_ * m11_ * m02_ -
m10_ * m01_ * m22_ -
m00_ * m21_ * m12_;
float invDet = 1.0f / det;
Matrix3x4 ret = new Matrix3x4();
ret.m00_ = (m11_ * m22_ - m21_ * m12_) * invDet;
ret.m01_ = -(m01_ * m22_ - m21_ * m02_) * invDet;
ret.m02_ = (m01_ * m12_ - m11_ * m02_) * invDet;
ret.m03_ = -(m03_ * ret.m00_ + m13_ * ret.m01_ + m23_ * ret.m02_);
ret.m10_ = -(m10_ * m22_ - m20_ * m12_) * invDet;
ret.m11_ = (m00_ * m22_ - m20_ * m02_) * invDet;
ret.m12_ = -(m00_ * m12_ - m10_ * m02_) * invDet;
ret.m13_ = -(m03_ * ret.m10_ + m13_ * ret.m11_ + m23_ * ret.m12_);
ret.m20_ = (m10_ * m21_ - m20_ * m11_) * invDet;
ret.m21_ = -(m00_ * m21_ - m20_ * m01_) * invDet;
ret.m22_ = (m00_ * m11_ - m10_ * m01_) * invDet;
ret.m23_ = -(m03_ * ret.m20_ + m13_ * ret.m21_ + m23_ * ret.m22_);
return ret;
}
/// Test for equality with another matrix with epsilon.
public bool Equals(Matrix3x4 rhs)
{
return(true);
}