A ray is: an origin, direction and parametric interval (TMin, TMax) inwhich intersections may occur at T locations along the interval. To beconcrete, positions along the ray are: origin + T*direction (thedirection does not get normalized).
A ray is: an origin, direction and parametric interval (TMin, TMax) inwhich intersections may occur at T locations along the interval. To beconcrete, positions along the ray are: origin + T*direction (thedirection does not get normalized).