Clumsy non-swept AABB collision system for Player

1 files changed, 14 insertions, 0 deletions

diff --git a/src/Common/Lambda.hpp b/src/Common/Lambda.hpp
new file mode 100644
index 0000000..8bcfd89
--- /dev/null
+++ b/src/Common/Lambda.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+#define _LAMBDA_ARG1 auto a
+#define _LAMBDA_ARG2 auto a, auto b
+#define _LAMBDA_ARG3 auto a, auto b, auto c
+
+#define _LAMBDA_PARAM1 a
+#define _LAMBDA_PARAM2 a, b
+#define _LAMBDA_PARAM3 a, b, c
+
+// A macro to create a lambda function around a (usually std) function,
+// where the template arguments aren't properly deduced.
+// Up to 3 arguments are supported.
+#define LAMBDA(f, n) [](_LAMBDA_ARG##n) { return f(_LAMBDA_PARAM##n); }