goat3d
annotate src/node.cc @ 76:9785847d52d4
bounding boxes calculation (untested) and automatic camera placement in goatview
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Thu, 08 May 2014 13:43:45 +0300 |
| parents | 76dea247f75c |
| children |
| rev | line source |
|---|---|
| nuclear@54 | 1 /* |
| nuclear@54 | 2 goat3d - 3D scene, character, and animation file format library. |
| nuclear@54 | 3 Copyright (C) 2013-2014 John Tsiombikas <nuclear@member.fsf.org> |
| nuclear@54 | 4 |
| nuclear@54 | 5 This program is free software: you can redistribute it and/or modify |
| nuclear@54 | 6 it under the terms of the GNU Lesser General Public License as published by |
| nuclear@54 | 7 the Free Software Foundation, either version 3 of the License, or |
| nuclear@54 | 8 (at your option) any later version. |
| nuclear@54 | 9 |
| nuclear@54 | 10 This program is distributed in the hope that it will be useful, |
| nuclear@54 | 11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| nuclear@54 | 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| nuclear@54 | 13 GNU Lesser General Public License for more details. |
| nuclear@54 | 14 |
| nuclear@54 | 15 You should have received a copy of the GNU Lesser General Public License |
| nuclear@54 | 16 along with this program. If not, see <http://www.gnu.org/licenses/>. |
| nuclear@54 | 17 */ |
| nuclear@0 | 18 #include <algorithm> |
| nuclear@0 | 19 #include <string.h> |
| nuclear@0 | 20 #include "node.h" |
| nuclear@0 | 21 |
| nuclear@47 | 22 using namespace g3dimpl; |
| nuclear@47 | 23 |
| nuclear@0 | 24 Node::Node() |
| nuclear@0 | 25 { |
| nuclear@8 | 26 obj = 0; |
| nuclear@75 | 27 bbox_valid = false; |
| nuclear@0 | 28 } |
| nuclear@0 | 29 |
| nuclear@8 | 30 void Node::set_object(Object *obj) |
| nuclear@0 | 31 { |
| nuclear@8 | 32 this->obj = obj; |
| nuclear@75 | 33 bbox_valid = false; |
| nuclear@0 | 34 } |
| nuclear@0 | 35 |
| nuclear@8 | 36 Object *Node::get_object() |
| nuclear@0 | 37 { |
| nuclear@75 | 38 bbox_valid = false; |
| nuclear@8 | 39 return obj; |
| nuclear@0 | 40 } |
| nuclear@0 | 41 |
| nuclear@8 | 42 const Object *Node::get_object() const |
| nuclear@0 | 43 { |
| nuclear@8 | 44 return obj; |
| nuclear@0 | 45 } |
| nuclear@0 | 46 |
| nuclear@75 | 47 const AABox &Node::get_bounds() const |
| nuclear@75 | 48 { |
| nuclear@75 | 49 if(!bbox_valid) { |
| nuclear@76 | 50 Matrix4x4 xform; |
| nuclear@76 | 51 get_xform(0, &xform); |
| nuclear@76 | 52 bbox = obj ? obj->get_bounds(xform) : AABox(); |
| nuclear@75 | 53 |
| nuclear@75 | 54 for(int i=0; i<get_children_count(); i++) { |
| nuclear@75 | 55 bbox = aabox_union(bbox, ((Node*)get_child(i))->get_bounds()); |
| nuclear@75 | 56 } |
| nuclear@75 | 57 bbox_valid = true; |
| nuclear@75 | 58 } |
| nuclear@75 | 59 |
| nuclear@75 | 60 return bbox; |
| nuclear@75 | 61 } |
| nuclear@75 | 62 |
| nuclear@47 | 63 void g3dimpl::delete_node_tree(Node *n) |
| nuclear@0 | 64 { |
| nuclear@56 | 65 if(!n) return; |
| nuclear@56 | 66 |
| nuclear@8 | 67 for(int i=0; i<n->get_children_count(); i++) { |
| nuclear@8 | 68 delete_node_tree((Node*)n->get_child(i)); |
| nuclear@0 | 69 } |
| nuclear@8 | 70 delete n; |
| nuclear@0 | 71 } |