VERY hacky positional audio

code/core/impl/math.c

@@ -47,6 +47,11 @@ V3f V3f_Sub(V3f a, V3f b) {
 	return result;
 }
 
+F32 V2f_Dot(V2f a, V2f b) {
+	F32 result = (a.x * b.x) + (a.y * b.y);
+	return result;
+}
+
 F32 V3f_Dot(V3f a, V3f b) {
 	F32 result = (a.x * b.x) + (a.y * b.y) + (a.z * b.z);
 	return result;