Row-major array of shape (6, 4) specifying for each of the left, right, bottom, top,
near, far clipping planes the a, b, c, d coefficients such that
0 < a * x + b * y + c * z + d if the point x, y, z is inside the half-space of the
clipping plane.
Projection matrix
Generated using TypeDoc
Extracts the left, right, bottom, top, near, far clipping planes from
projectionMat.