From de7a497fd85e625c2bff52c569995542ca347654 Mon Sep 17 00:00:00 2001
From: Quinn <quinnthepigeon@proton.me>
Date: Fri, 14 Feb 2025 01:26:20 +0100
Subject: [PATCH] add a very basic vector2 implementation.

---
 src/util/vec2.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/util/vec2.h

diff --git a/src/util/vec2.h b/src/util/vec2.h
new file mode 100644
index 0000000..bf87b07
--- /dev/null
+++ b/src/util/vec2.h
@@ -0,0 +1,34 @@
+#ifndef VEC2_H
+#define VEC2_H
+#define VEC2_COMB2(a, b) a##b
+#define VEC2_COMB1(a, b) VEC2_COMB2(a, b)
+#endif
+
+#define VEC2_TYPE int
+
+#ifdef VEC2_TYPE
+
+// customising the linkage
+#ifndef VEC2_LINKAGE
+#define VEC2_LINKAGE static inline
+#endif
+
+// customising the name
+#ifndef VEC2_NAME
+#define VEC2_NAME VEC2_COMB1(vec2_, VEC2_TYPE)
+#endif // VEC2_NAME
+
+// defines a two-dimensional vector of a specific type
+typedef struct {
+    VEC2_TYPE x;
+    VEC2_TYPE y;
+} VEC2_NAME;
+
+// TODO: implement vector-based logic
+
+#undef VEC2_NAME
+#undef VEC2_LINKAGE
+#undef VEC2_TYPE
+#elif __INCLUDE_LEVEL__ != 0
+#error define VEC2_TYPE before including
+#endif // VEC2_TYPE