1 /*
2  * Copyright (C) 2013 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 #ifndef SCENEGRAPHNODE_H
15 #define SCENEGRAPHNODE_H
16 
17 #include <vector>
18 #include "Matrix.h"
19 #include "Program.h"
20 
21 class SceneGraphNode {
22 public:
SceneGraphNode()23     SceneGraphNode() {};
24     virtual ~SceneGraphNode();
25     void addChild(SceneGraphNode* child);
26 protected:
27     virtual void before(Program& program, Matrix& model, Matrix& view, Matrix& projection) = 0;
28     virtual void after(Program& program, Matrix& model, Matrix& view, Matrix& projection) = 0;
29     void draw(Program& program, Matrix& model, Matrix& view, Matrix& projection);
30 private:
31     std::vector<SceneGraphNode*> mChildren;
32 };
33 
34 #endif
35