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  1. #include <iostream>
  2. using namespace std;
  3. struct TVector{
  4. 	int x,y;
  5. };
  6. class Rect
  7. {
  8. 	int x1, y1, x2, y2;
  9. public:
  10.     TVector Speed;
  11. 	Rect(int ax1, int ay1, int ax2, int ay2) :x1(ax1), y1(ay1), x2(ax2), y2(ay2)
  12. 	{
  13.  
  14. 	}
  15. 	void Move(){*this+=Speed;};
  16. 	bool Intersect(Rect& R) { return !(x1>R.x2 || x2<R.x1 || y1>R.y2 || y2<R.y1); }
  17. 	Rect& operator +=(const TVector& r){x1+=r.x;x2+=r.x;y1+=r.y;y2+=r.y; return *this;}
  18. };
  19.  
  20. int main() {
  21.  
  22. 	int Hit = 0, Miss = 0;
  23.     Rect PlayerBox(0, 0, 50, 100);
  24. 	Rect BulletBox(0,0, 10,  5);
  25. 	PlayerBox+=TVector{-100000000,0};
  26. 	BulletBox+=TVector{100000000,20};
  27. 	PlayerBox.Speed=TVector{1,0};
  28. 	BulletBox.Speed=TVector{-1,0};
  29. 	for (int i = 0; i < 100000000; i++) {
  30. 		PlayerBox.Move();
  31. 		BulletBox.Move();
  32. 		PlayerBox.Intersect(BulletBox)?Hit++:Miss++;
  33. 	}
  34.  
  35.  
  36. 	cout << "Hits:" << Hit << " Miss:" << Miss << " Total:" << (Hit + Miss);
  37.  
  38. 	return 0;
  39. }
Success #stdin #stdout 0.05s 16064KB
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stdin
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Standard input is empty
stdout
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Hits:26 Miss:99999974 Total:100000000
https://ideone.com/K3C6IR
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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