@AriSilvennoinen @rygorous @self_shadow That gives you the 2x2 matrix for the ellipse in your screen plane, which you just rasterize.
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@AriSilvennoinen@rygorous@self_shadow Of course, I meant the 2x2 matrix for the quadratic form in the plane.
@pervognsen @rygorous @self_shadow Ok, got it. Essentially you would have the same quadratic form then? I'm wondering about the difference.
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@AriSilvennoinen@rygorous@self_shadow Well, it'd probably have to be the same, just as Blinn's is the same, but a different derivation. -
@pervognsen I agree. The alternative derivation is the most interesting bit here. If you have the time to write it down, I'd be happy read!
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