Hello
How is it possible to compute the intersection point between a ray (a pickRay) and a
Shape3D, so that I can know the distance between the origin of the vector of the ray
and the intersection point...
Ok, I try to explain more precisely. My world is composed by a cylinder and 4 boxes.
the cylinder emit some light in a given direction and 1 of the boxes received that
light. Now the question, if the light ray may be considered as a geometrical vector
(ie 1D object), how can i compute the lenght of this vector...
thank you for your help
claude
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