float3 tri_a tri_n_a float3 tri_b tri_n_b float3 tri_c tri_n_c if ray_

  • Anonymous
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  • 15 Apr 2019 
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{

										float3 a = tri_a + tri_n_a;

										float3 b = tri_b + tri_n_b;

										float3 c = tri_c + tri_n_c;

										if (ray_triangle_intersect(P,

																   dir,

																   FLT_MAX,

																   a,

																   b,

																   c,

																   &u, &v, &t)) {

                                            handle_hit(min_hit, max_hit, P, dir, t, u, v, tri_a, tri_b, tri_c);

										}



										if (ray_triangle_intersect(P,

																   dir,

																   FLT_MAX,

																   tri_a,

																   tri_b,

																   tri_c,

																   &u, &v, &t)) {

                                            handle_hit(min_hit, max_hit, P, dir, t, u, v, tri_a + tri_n_a, tri_b + tri_n_b, tri_c + tri_n_c);

										}

									}





									// side a, b

									{

										float3 a = tri_a;

										float3 b = tri_b;

										float3 c = tri_a + tri_n_a;

										if (ray_triangle_intersect(P,

																   dir,

																   FLT_MAX,

																   a,

																   b,

																   c,

																   &u, &v, &t)) {

											handle_hit(min_hit, max_hit, P, dir, t, u, v, a, b, c);

										} else {

											float3 a = tri_a + tri_n_a;

											float3 b = tri_b;

											float3 c = tri_b + tri_n_b;

											if (ray_triangle_intersect(P,

																	   dir,

																	   FLT_MAX,

																	   a,

																	   b,

																	   c,

																	   &u, &v, &t)) {

												handle_hit(min_hit, max_hit, P, dir, t, u, v, a, b, c);

											}

										}

									}



									// side b, c

									{

										float3 a = tri_b;

										float3 b = tri_c;

										float3 c = tri_b + tri_n_b;

										if (ray_triangle_intersect(P,

																   dir,

																   FLT_MAX,

																   a,

																   b,

																   c,

																   &u, &v, &t)) {

											handle_hit(min_hit, max_hit, P, dir, t, u, v, a, b, c);

										} else {

											float3 a = tri_b + tri_n_b;

											float3 b = tri_c;

											float3 c = tri_c + tri_n_c;

											if (ray_triangle_intersect(P,

																	   dir,

																	   FLT_MAX,

																	   a,

																	   b,

																	   c,

																	   &u, &v, &t)) {

												handle_hit(min_hit, max_hit, P, dir, t, u, v, a, b, c);

											}

										}

									}

//                                // side c, a

									{

										float3 a = tri_c;

										float3 b = tri_a;

										float3 c = tri_c + tri_n_c;

										if (ray_triangle_intersect(P,

																   dir,

																   FLT_MAX,

																   a,

																   b,

																   c,

																   &u, &v, &t)) {

											handle_hit(min_hit, max_hit, P, dir, t, u, v, a, b, c);

										} else {

											float3 a = tri_c + tri_n_c;

											float3 b = tri_a;

											float3 c = tri_a + tri_n_a;

											if (ray_triangle_intersect(P,

																	   dir,

																	   FLT_MAX,

																	   a,

																	   b,

																	   c,

																	   &u, &v, &t)) {

												handle_hit(min_hit, max_hit, P, dir, t, u, v, a, b, c);

											}

										}

									}
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