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