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// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <algorithm>
#include <cstdlib>
#include <type_traits>
namespace MathUtil {
static constexpr float PI = 3.14159265f;
inline bool IntervalsIntersect(unsigned start0, unsigned length0, unsigned start1,
unsigned length1) {
return (std::max(start0, start1) < std::min(start0 + length0, start1 + length1));
}
template <class T>
struct Rectangle {
T left;
T top;
T right;
T bottom;
Rectangle() {}
Rectangle(T left, T top, T right, T bottom)
: left(left), top(top), right(right), bottom(bottom) {}
T GetWidth() const {
return std::abs(static_cast<typename std::make_signed<T>::type>(right - left));
}
T GetHeight() const {
return std::abs(static_cast<typename std::make_signed<T>::type>(bottom - top));
}
Rectangle<T> TranslateX(const T x) const {
return Rectangle{left + x, top, right + x, bottom};
}
Rectangle<T> TranslateY(const T y) const {
return Rectangle{left, top + y, right, bottom + y};
}
Rectangle<T> Scale(const float s) const {
return Rectangle{left, top, static_cast<T>(left + GetWidth() * s),
static_cast<T>(top + GetHeight() * s)};
}
};
} // namespace MathUtil
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