Method ngonEncodeTriangle

code/PostProcessing/TriangulateProcess.cpp:114–125

* @brief Encode the current triangle, and make sure it is recognized as a triangle. * * This method will rotate indices in tri if needed in order to avoid tri to be considered * part of the previous ngon. This method is to be used whenever you want to emit a real triangle, * and make sure it is seen as a triangle. * * @param tri Triangle to enc

         * @param tri Triangle to encode.
         */
        void ngonEncodeTriangle(aiFace * tri) {
            ai_assert(tri->mNumIndices == 3);

            // Rotate indices in new triangle to avoid ngon encoding false ngons
            // Otherwise, the new triangle would be considered part of the previous NGON.
            if (isConsideredSameAsLastNgon(tri)) {
                std::swap(tri->mIndices[0], tri->mIndices[2]);
                std::swap(tri->mIndices[1], tri->mIndices[2]);
            }

            mLastNGONFirstIndex = tri->mIndices[0];
        }

        /**
         * @brief Encode a quad (2 triangles) in ngon encoding, and make sure they are seen as a single ngon.