orthogonal - make orthogonal projection matrix

m.orthogonal(fLeft, fRight, fTop, fBottom, fNear, fFar);

fLeft ... - minimum and maximum clipping planes

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Concatenates orghogonal projection to the matrix. Transformation maps fNear to 0 and fFar to 1.0

m.orthogonal(-0.1, 0.1, -0.1, 0.1, 0.1, 5.0)