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 FLOCKINGSCENE_H
15 #define FLOCKINGSCENE_H
16 
17 #include <graphics/Program.h>
18 
19 #include "../Scene.h"
20 #include "Boid.h"
21 
22 class FlockingScene : public Scene {
23 public:
24     FlockingScene(int width, int height);
~FlockingScene()25     virtual ~FlockingScene() {};
26     bool setUpTextures();
27     bool setUpMeshes();
28     bool tearDown();
29     bool draw();
30     static const int NUM_BOIDS = 100;
31 protected:
32     bool setUpPrograms();
33     Matrix* setUpModelMatrix();
34     Matrix* setUpViewMatrix();
35     Matrix* setUpProjectionMatrix(float width, float height);
36     bool updateSceneGraphs(int frame);
37 private:
38     Boid* mBoids[NUM_BOIDS];
39     float mDisplayRatio;
40     float mBoardWidth;
41     float mBoardHeight;
42     Program* mMainProgram;
43     Program* mWaterProgram;
44     static const constexpr float BOID_SCALE = 1.0f / 50.0f;
45 };
46 #endif
47