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 VECTOR2D_H
15 #define VECTOR2D_H
16 
17 class Vector2D {
18 public:
19     Vector2D();
20     Vector2D(float x, float y);
21     Vector2D copy();
22     void normalize();
23     void add(const Vector2D& v);
24     void sub(const Vector2D& v);
25     void scale(float s);
26     void limit(float max);
27     void limit(float maxX, float maxY);
28     float magnitude();
29     float distance(const Vector2D& v);
30     float mX;
31     float mY;
32 };
33 #endif
34