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Dragonfly 2.2
A text-based game engine
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utility.h
00001 // 00002 // utility.h 00003 // 00004 // Utility functions to support Dragonfly and its games. 00005 // 00006 // Functions here do not use any attributes of any classes, so 00007 // can stand alone. 00008 // 00009 00010 #ifndef __UTILITY_H__ 00011 #define __UTILITY_H__ 00012 00013 // System includes 00014 #include <sstream> // for intToString() 00015 00016 // Engine includes 00017 #include "Box.h" 00018 #include "Circle.h" 00019 #include "GameObject.h" 00020 #include "Line.h" 00021 #include "Position.h" 00022 00023 // Function prototypes 00024 bool valueInRange(int value, int min, int max); 00025 Box getWorldBox(GameObject *p_go); 00026 float worldDistance(Position p1, Position p2); 00027 bool boxContainsPoint(Box b, Position p); 00028 bool lineIntersectsLine(Line line1, Line line2); 00029 bool lineIntersectsBox(Line line, Box b); 00030 bool boxIntersectsBox(Box box1, Box box2); 00031 bool circleIntersectsBox(Circle circle, Box b); 00032 void splash(); 00033 00034 /// Returns pretty-formatted string. 00035 char *getTimeString(); 00036 00037 /// Convert world position to view position. 00038 Position worldToView(Position world_pos); 00039 00040 /// Convert view position to world position. 00041 Position viewToWorld(Position view_pos); 00042 00043 /// Convert int to a string, returning string 00044 string intToString(int number); 00045 00046 #endif // __UTILITY_H__
