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better comments for intersectionLineTriangle

This commit is contained in:
Paolo Cignoni 2010-04-14 09:16:13 +00:00
parent 9cd42be265
commit db53730ae7
1 changed files with 6 additions and 2 deletions
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vcg/space/intersection3.h
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@ -438,12 +438,16 @@ namespace vcg {
/* /*
* Function computing the intersection between a line and a triangle. * Function computing the intersection between a line and a triangle.
* from: * from:
* Tomas Möller and Ben Trumbore, * Tomas Moller and Ben Trumbore,
* ``Fast, Minimum Storage Ray-Triangle Intersection'', * ``Fast, Minimum Storage Ray-Triangle Intersection'',
* journal of graphics tools, vol. 2, no. 1, pp. 21-28, 1997 * journal of graphics tools, vol. 2, no. 1, pp. 21-28, 1997
* @param[in] line * @param[in] line
* @param[in] triangle vertices * @param[in] triangle vertices
* @param[out] intersection the intersection point, meaningful only if the line intersects the triangle * @param[out]=(t,u,v) the intersection point, meaningful only if the line intersects the triangle
* t is the line parameter and
* (u,v) are the baricentric coords of the intersection point
*
* Line.Orig + t * Line.Dir = (1-u-v) * Vert0 + u * Vert1 +v * Vert2
* *
*/ */