1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 #ifndef ANDROID_GAMECORE_CIRCLE_H
19 #define ANDROID_GAMECORE_CIRCLE_H
20 
21 #include "vecmath.h"
22 #include <GLES2/gl2.h>
23 
24 namespace android {
25 namespace gamecore {
26 
27 class Circle {
28 private:
29     float mRadius;
30     GLuint mProgram;
31 
32     GLuint mVPositionHandle;
33     GLuint mMvpMatrixHandle;
34     GLuint mRadiusHandle;
35     GLuint mColorHandle;
36     GLfloat mColor[3];
37     Vec3 mPosition;
38     Mat4 mViewProjectionMatrix;
39 
40 public:
41     Circle(float radius);
42 
43     void setColor(float r, float g, float b);
44 
45     const Vec3& getPosition() const;
46     void setPosition(const Vec3& position);
47 
48     void updateViewProjection(const Mat4& vpMatrix);
49     void draw() const;
50 
51 };
52 
53 } // end of namespace gamecore
54 } // end of namespace android
55 
56 #endif // ANDROID_GAMECORE_CIRCLE_H
57