xs_plane_rayintersect

Синтаксис

									stock bool:xs_plane_rayintersect(const Float:plane[], const Float:rayStart[], const Float:rayDir[], Float:out[])
									{
     new Float:a = xs_vec_dot(plane, rayDir);
     
     if (a == 0.0)
          return false;          // ray is parallel to plane
     
     // if (distance plane<->(rayStart + rayDir) > distance plane<->rayStart) and both have the same sign, the ray
     // goes away from the plane
     new Float:rsplusrd[3];
     xs_vec_add(rayStart, rayDir, rsplusrd);
     new Float:dst1 = xs_plane_dst2point(plane, rsplusrd);
     new Float:dst2 = xs_plane_dst2point(plane, rayStart);
     if (xs_fabs(dst1) > xs_fabs(dst2) && xs_fsign(dst1) == xs_fsign(dst2))
          return false;
     
     
     // out = rayStart - rayDir * ((distance plane<->rayStart) / a)
     new Float:__tmp[3];
     xs_vec_mul_scalar(rayDir, xs_plane_dst2point(plane, rayStart) / a, __tmp);
     // out = rayStart - tmp
     xs_vec_sub(rayStart, __tmp, out);
     
     return true;
}
								

Описание

This function has no description.