public static DXFMatrix StdMat(SFPoint S, SFPoint P)
{
DXFMatrix Result = new DXFMatrix();
Result.data[0, 0] = S.X;
Result.data[1, 1] = S.Y;
Result.data[2, 2] = S.Z;
DXFMatrix.MatOffset(Result, P);
return(Result);
}
public static DXFMatrix MatXMat(DXFMatrix A, DXFMatrix B)
{
int I, J;
DXFMatrix Result = new DXFMatrix();
for (I = 0; I < 4; I++)
{
for (J = 0; J < 3; J++)
{
Result.data[I, J] = A.data[I, 0] * B.data[0, J] + A.data[I, 1] * B.data[1, J] +
A.data[I, 2] * B.data[2, J];
}
}
for (J = 0; J < 3; J++)
{
Result.data[3, J] = Result.data[3, J] + B.data[3, J];
}
return(Result);
}
public override void Loaded()
{
matrix = new DXFMatrix();
matrix = DXFMatrix.MatXMat(matrix, DXFMatrix.StdMat(new SFPoint(1, 1, 1), Point1));
}
private static void MatOffset(DXFMatrix M, SFPoint P)
{
M.data[3, 0] = P.X;
M.data[3, 1] = P.Y;
M.data[3, 2] = P.Z;
}