BWAPI: SnippyHolloW-BroodwarBotQ-f01ab56/src/Utils/Vec.h Source File

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00001 #pragma once
00002 #include <math.h> 
00003 #include <stdlib.h> 
00004 #include <stdio.h>
00005 #include <BWAPI.h>
00006 
00007 struct Vec {
00008     friend std::ostream& operator <<(std::ostream& os, const Vec& v);
00009     double x, y;
00010     Vec(double x_=0.0, double y_=0.0){ x=x_; y=y_; }
00011     Vec(const Vec& v){ x=v.x; y=v.y; }
00012     Vec(const BWAPI::Position& p){ x=p.x(); y=p.y(); }
00013     bool operator<(const Vec &b) const { return (x < b.x || (x == b.x && y < b.y)); }
00014     Vec operator+(const Vec &b) const { return Vec(x+b.x,y+b.y); }
00015     Vec operator+(const BWAPI::Position& p) { return BWAPI::Position(p.x() + (int)x, p.y() + (int)y); }
00016     Vec operator+=(const Vec &b) { x += b.x; y += b.y; return *this; }
00017     Vec operator+=(const BWAPI::Position& p) { x += p.x(); y += p.y(); return *this; }
00018     Vec operator+=(const BWAPI::TilePosition& p) { x += p.x(); y += p.y(); return *this; }
00019     Vec operator-(const Vec &b) const { return Vec(x-b.x,y-b.y); }
00020     Vec operator*(double b) const { return Vec(x*b,y*b); }
00021     Vec operator*=(const double b) { x *= b; y *= b; return *this; }
00022     Vec operator/(double b) const { return Vec(x/b,y/b); }
00023     Vec operator/=(const double s) { x /= s; y /= s; return *this; }
00024     bool operator==(const Vec &b) { return (x==b.x && y==b.y); }
00025     bool operator!=(const Vec &b) { return (x!=b.x || y!=b.y); }
00026     Vec mult(const Vec &b) const { return Vec(x*b.x,y*b.y); }
00027     Vec& normalize() { return (x == 0 && y == 0) ? *this : *this = *this * (1/sqrt(x*x+y*y)); }
00028     double norm() const { return sqrt(x*x+y*y); } 
00029     double dot(const Vec &b) const { return x*b.x+y*b.y; } // cross:
00030     BWAPI::Position toPosition() const { return BWAPI::Position( (int)x, (int)y);};
00031     BWAPI::TilePosition toTilePosition() const { return BWAPI::TilePosition( (int)x, (int)y);};
00032     Vec operator%(Vec&b){return Vec(-y*b.x-x*b.y, x*b.y-y*b.x);}
00033     BWAPI::Position translate(const BWAPI::Position& p) const { return BWAPI::Position(p.x() + (int)x, p.y() + (int)y); } // sanitize? (map boundaries)
00034     BWAPI::Position translate(const Vec& v) const { return BWAPI::Position((int)v.x + (int)x, (int)v.y + (int)y); } // sanitize? (map boundaries)
00035     Vec vecTranslate(const Vec& v) const { return Vec((int)v.x + (int)x, (int)v.y + (int)y); }
00036     std::ostream& operator <<(std::ostream& os) const { os << x << " " << y; return os; }
00037 };
00038 
00039 inline std::ostream& operator <<(std::ostream& os, const Vec& v) { os << v.x << " " << v.y; return os; }