From f957f4094a8d98ad0de294c3e6325ce9a860994e Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Wed, 26 May 2021 15:31:12 -0700
Subject: More work on TableTemplate

---
 Size.hpp | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100755 Size.hpp

(limited to 'Size.hpp')

diff --git a/Size.hpp b/Size.hpp
new file mode 100755
index 0000000..f737f9c
--- /dev/null
+++ b/Size.hpp
@@ -0,0 +1,61 @@
+#pragma once
+
+#include <glm/glm.hpp>
+
+template <class T>
+class Size2 {
+public:
+	T width;
+	T height;
+
+public:
+	Size2()
+		: width{ 0 }, height{ 0 } {
+	}
+
+	Size2(T width, T height)
+		: width{ width }, height{ height } {
+	}
+
+	Size2(glm::vec<2, T> vec)
+		: width{ vec.x }, height{ vec.y } {
+	}
+
+	operator glm::vec<2, T>() const {
+		return { width, height };
+	}
+
+	glm::vec<2, T> AsVec() const {
+		return { width, height };
+	}
+
+	friend bool operator==(const Size2<T>&, const Size2<T>&) = default;
+
+	template <class TTarget>
+	Size2<TTarget> Cast() const {
+		return {
+			static_cast<TTarget>(width),
+			static_cast<TTarget>(height),
+		};
+	}
+};
+
+template <class T>
+Size2<T> operator+(Size2<T> a, Size2<T> b) {
+	return { a.width + b.width, a.height + b.height };
+}
+
+template <class T>
+Size2<T> operator-(Size2<T> a, Size2<T> b) {
+	return { a.width - b.width, a.height - b.height };
+}
+
+template <class T, class N>
+auto operator*(Size2<T> a, N mult) -> Size2<decltype(a.width * mult)> {
+	return { a.width * mult, a.height * mult };
+}
+
+template <class T, class N>
+auto operator/(Size2<T> a, N mult) -> Size2<decltype(a.width / mult)> {
+	return { a.width / mult, a.height / mult };
+}
-- 
cgit v1.2.3-70-g09d2