Re: [Algorithms] Nearest point on plane for 2D IK

[Jeff L. <je...@di...>]

Plug for Dave Eberly's Magic-Software site goes here:

http://www.magic-software.com/MgcIntersection.html

Looks like the code you need is :
Lin3Sphr.h, Lin3Sphr.cpp 

-Jeff

At 09:56 PM 8/29/2000 +0300, you wrote:
>Hi,
>
>I am looking for an algorithm to compute the intersecting point P between a ray and
>a sphere. I know the center C and the radius R of the sphere, the origin O of the ray
>and its direction V. Basically I need to find the closest intersection from O.
>
>But that's not all: In addition to this, IF the ray does not intersect or is tangent to the
>sphere, I need to know the tangential point with the sphere.
>
>Does anybody know a fast and accurate solution to this problem? maybe a good web
>site or some code would greatly help!...
>
>Thanks,
>
>David Kornmann.
>--
>
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