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#ifndef BIRD_H #define BIRD_H #include "point.h" #include "velocity.h" #include "UFO.h" class Bird: public UFO { public: Bird(); void setRandomDy( const float minDy , const float maxDy ); void setRandomDx(); void draw(); virtual void applyGravity ( ) = 0; virtual int hit() = 0; }; #endif