first commit

src/utils/math/gryphn_vec2.h

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+#pragma once
+#include <unordered_map>
+#include <string>
+
+// very shitty vec2 class
+
+#include "stdint.h"
+
+template <typename T>
+struct gnType2 {
+    union {
+    struct { T a, b; };
+    struct { T x, y; };
+    };
+public:
+    gnType2(T a, T b) { this->a = a; this->b = b; }
+    gnType2() {};
+
+    gnType2 operator-(const gnType2& other) {
+        gnType2 returnGnVec2;
+        returnGnVec2.x = this->x - other.x;
+        returnGnVec2.y = this->y - other.y;
+        return returnGnVec2;
+    }
+
+    bool operator==(const gnType2& other) const {
+        return this->a == other.a && this->b == other.b;
+    }
+};
+
+
+typedef gnType2<float> gnVec2;
+typedef gnType2<float> gnFloat2;
+typedef gnType2<uint32_t> gnUInt2;
+typedef gnType2<int32_t> gnInt2;
+
+namespace std {
+    template<>
+    struct hash<gnUInt2> {
+        std::size_t operator()(const gnUInt2& k) const {
+            return std::hash<uint32_t>()(k.x) ^ (std::hash<uint32_t>()(k.y) << 1);
+        }
+    };
+}