get frustum planes

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How can i get the six view frustum planes on the form: n * x + d = 0 where n is the normal and x is an arbitrary point on the plane.

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thx, really nice paper, but how do i come from ax+by+zy+d=0 to n*x+d=0?

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Quote:
 Original post by Ewrthx, really nice paper, but how do i come from ax+by+[cz]+d=0 to n*x+d=0?
n = (a, b, c), x = (x, y, z)

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thx, that was too easy...

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