--- layout: default title: Ray Triangle Intersection permalink: /pathtracer/ray_triangle_intersection grand_parent: "A3: Pathtracer" nav_order: 1 parent: (Task 2) Intersections --- # Ray Triangle Intersection We recommend that you implement the *Moller-Trumbore algorithm*, a fast algorithm that takes advantage of a barycentric coordinates parameterization of the intersection point, for ray-triangle intersection.