intersection between a box and a ray
Author
hi,
does anybody know a site, documents, or source code about intersection between a ray and a box ?
thx
you basically would the plane frome each face of the box with the ray, so it is a simply ray-plane intersection test. you also have to make sure the intersection is between the extents of the box, so just check if the intersection is between minx,miny and maxx,maxy for the face it intersected. i think that should do it.
took me 15 seconds on dogpile.com (plus, i just got them to donate some food for the holidays)
http://www.siggraph.org/education/materials/HyperGraph/raytrace/rtinter3.htm
this is a pretty quick explanation, but with a little more searching you should be able to find something even more detailed
http://www.siggraph.org/education/materials/HyperGraph/raytrace/rtinter3.htm
this is a pretty quick explanation, but with a little more searching you should be able to find something even more detailed
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