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#include <iostream> | |
struct Vector2 { | |
float x; | |
float y; | |
Vector2(float x = 0, float y = 0) { | |
this->x = x; | |
this->y = y; | |
} | |
}; | |
template <typename T> | |
T min(T a, T b) { | |
return a < b ? a : b; | |
} | |
template <> | |
Vector2 min(Vector2 a, Vector2 b) { | |
return Vector2(min(a.x, b.x), min(a.y, b.y)); | |
} | |
template <typename T> | |
T max(T a, T b) { | |
return a > b ? a : b; | |
} | |
template <> | |
Vector2 max(Vector2 a, Vector2 b) { | |
return Vector2(max(a.x, b.x), max(a.y, b.y)); | |
} | |
template <typename T> | |
T clamp(T value, T lowerBound, T upperBound) { | |
return min(max(lowerBound, value), upperBound); | |
} | |
std::ostream &operator<<(std::ostream &os, const Vector2 &v) { | |
os << v.x << ", " << v.y; | |
return os; | |
} | |
int main() { | |
Vector2 lowerBound(-100, -100); | |
Vector2 upperBound(100, 100); | |
std::cout << clamp(Vector2(200, 200), lowerBound, upperBound) << std::endl; | |
std::cout << clamp(Vector2(-200, -200), lowerBound, upperBound) << std::endl; | |
std::cout << clamp(Vector2(-10, -134), lowerBound, upperBound) << std::endl; | |
std::cout << clamp(Vector2(10, 134), lowerBound, upperBound) << std::endl; | |
std::cout << min(Vector2(-10, -134), lowerBound) << std::endl; | |
std::cout << max(Vector2(10, 134), upperBound) << std::endl; | |
} | |
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