static void rna_Object_ray_cast( Object *ob, ReportList *reports, float origin[3], float direction[3], float distance, int *r_success, float r_location[3], float r_normal[3], int *r_index) { bool success = false; if (ob->derivedFinal == NULL) { BKE_reportf(reports, RPT_ERROR, "Object '%s' has no mesh data to be used for ray casting", ob->id.name + 2); return; } /* Test BoundBox first (efficiency) */ BoundBox *bb = BKE_object_boundbox_get(ob); float distmin; if (!bb || (isect_ray_aabb_v3_simple(origin, direction, bb->vec[0], bb->vec[6], &distmin, NULL) && distmin <= distance)) { BVHTreeFromMesh treeData = {NULL}; /* no need to managing allocation or freeing of the BVH data. this is generated and freed as needed */ bvhtree_from_mesh_looptri(&treeData, ob->derivedFinal, 0.0f, 4, 6); /* may fail if the mesh has no faces, in that case the ray-cast misses */ if (treeData.tree != NULL) { BVHTreeRayHit hit; hit.index = -1; hit.dist = distance; normalize_v3(direction); if (BLI_bvhtree_ray_cast(treeData.tree, origin, direction, 0.0f, &hit, treeData.raycast_callback, &treeData) != -1) { if (hit.dist <= distance) { *r_success = success = true; copy_v3_v3(r_location, hit.co); copy_v3_v3(r_normal, hit.no); *r_index = dm_looptri_to_poly_index(ob->derivedFinal, &treeData.looptri[hit.index]); } } free_bvhtree_from_mesh(&treeData); } } if (success == false) { *r_success = false; zero_v3(r_location); zero_v3(r_normal); *r_index = -1; } }
static void rna_Object_ray_cast(Object *ob, bContext *C, ReportList *reports, float origin[3], float direction[3], float distance, PointerRNA *rnaptr_depsgraph, bool *r_success, float r_location[3], float r_normal[3], int *r_index) { bool success = false; if (ob->runtime.mesh_eval == NULL && (ob = eval_object_ensure(ob, C, reports, rnaptr_depsgraph)) == NULL) { return; } /* Test BoundBox first (efficiency) */ BoundBox *bb = BKE_object_boundbox_get(ob); float distmin; normalize_v3( direction); /* Needed for valid distance check from isect_ray_aabb_v3_simple() call. */ if (!bb || (isect_ray_aabb_v3_simple(origin, direction, bb->vec[0], bb->vec[6], &distmin, NULL) && distmin <= distance)) { BVHTreeFromMesh treeData = {NULL}; /* No need to managing allocation or freeing of the BVH data. * This is generated and freed as needed. */ BKE_bvhtree_from_mesh_get(&treeData, ob->runtime.mesh_eval, BVHTREE_FROM_LOOPTRI, 4); /* may fail if the mesh has no faces, in that case the ray-cast misses */ if (treeData.tree != NULL) { BVHTreeRayHit hit; hit.index = -1; hit.dist = distance; if (BLI_bvhtree_ray_cast(treeData.tree, origin, direction, 0.0f, &hit, treeData.raycast_callback, &treeData) != -1) { if (hit.dist <= distance) { *r_success = success = true; copy_v3_v3(r_location, hit.co); copy_v3_v3(r_normal, hit.no); *r_index = mesh_looptri_to_poly_index(ob->runtime.mesh_eval, &treeData.looptri[hit.index]); } } free_bvhtree_from_mesh(&treeData); } } if (success == false) { *r_success = false; zero_v3(r_location); zero_v3(r_normal); *r_index = -1; } }