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Help questions about rendering ellipsoids
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10-12-2021, 10:56 AM
(This post was last modified: 10-12-2021, 10:58 AM by josemendez.)
(10-12-2021, 10:40 AM)ccmiao Wrote: What confused me is that as q = 1/r(x,y), so why square(q) = 1/r * (x*x + y*y); isn't that should be square(q) = 1/(r*r)* (x*x + y*y); ? It's just notation. square(q) != q2. q is a 2-component vector, and q2 is a scalar value, so they don't even have the same dimensionality. q2 is used to simplify the original intersection equation into equation (10). |
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questions about rendering ellipsoids - by ccmiao - 25-11-2021, 04:10 AM
RE: questions about rendering ellipsoids - by josemendez - 25-11-2021, 08:38 AM
RE: questions about rendering ellipsoids - by ccmiao - 26-11-2021, 03:15 AM
RE: questions about rendering ellipsoids - by littleaa - 09-12-2021, 07:22 AM
RE: questions about rendering ellipsoids - by josemendez - 10-12-2021, 10:02 AM
RE: questions about rendering ellipsoids - by ccmiao - 10-12-2021, 10:40 AM
RE: questions about rendering ellipsoids - by josemendez - 10-12-2021, 10:56 AM
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