1*b7c941bbSAndroid Build Coastguard Worker /* 2*b7c941bbSAndroid Build Coastguard Worker * Copyright (C) 2013 The Android Open Source Project 3*b7c941bbSAndroid Build Coastguard Worker * 4*b7c941bbSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5*b7c941bbSAndroid Build Coastguard Worker * in compliance with the License. You may obtain a copy of the License at 6*b7c941bbSAndroid Build Coastguard Worker * 7*b7c941bbSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 8*b7c941bbSAndroid Build Coastguard Worker * 9*b7c941bbSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software distributed under the License 10*b7c941bbSAndroid Build Coastguard Worker * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11*b7c941bbSAndroid Build Coastguard Worker * or implied. See the License for the specific language governing permissions and limitations under 12*b7c941bbSAndroid Build Coastguard Worker * the License. 13*b7c941bbSAndroid Build Coastguard Worker */ 14*b7c941bbSAndroid Build Coastguard Worker #ifndef VECTOR2D_H 15*b7c941bbSAndroid Build Coastguard Worker #define VECTOR2D_H 16*b7c941bbSAndroid Build Coastguard Worker 17*b7c941bbSAndroid Build Coastguard Worker class Vector2D { 18*b7c941bbSAndroid Build Coastguard Worker public: 19*b7c941bbSAndroid Build Coastguard Worker Vector2D(); 20*b7c941bbSAndroid Build Coastguard Worker Vector2D(float x, float y); 21*b7c941bbSAndroid Build Coastguard Worker Vector2D copy(); 22*b7c941bbSAndroid Build Coastguard Worker void normalize(); 23*b7c941bbSAndroid Build Coastguard Worker void add(const Vector2D& v); 24*b7c941bbSAndroid Build Coastguard Worker void sub(const Vector2D& v); 25*b7c941bbSAndroid Build Coastguard Worker void scale(float s); 26*b7c941bbSAndroid Build Coastguard Worker void limit(float max); 27*b7c941bbSAndroid Build Coastguard Worker void limit(float maxX, float maxY); 28*b7c941bbSAndroid Build Coastguard Worker float magnitude(); 29*b7c941bbSAndroid Build Coastguard Worker float distance(const Vector2D& v); 30*b7c941bbSAndroid Build Coastguard Worker float mX; 31*b7c941bbSAndroid Build Coastguard Worker float mY; 32*b7c941bbSAndroid Build Coastguard Worker }; 33*b7c941bbSAndroid Build Coastguard Worker #endif 34