tile collision

1 files changed, 15 insertions, 0 deletions

diff --git a/src/collision.h b/src/collision.h
new file mode 100644
index 0000000..3b7a457
--- /dev/null
+++ b/src/collision.h
@@ -0,0 +1,15 @@
+#pragma once
+
+typedef unsigned collision_T;
+
+enum _collisions {
+	COLLISION_SOLID,
+	COLLISION_HAZARD,
+	COLLISION_FLOOR,
+
+	COLLISION_LENGTH // no. of checked inputs
+};
+
+#define collision_solid(a)   (1 & a >> COLLISION_SOLID)
+#define collision_hazard(a)  (1 & a >> COLLISION_HAZARD)
+#define collision_floor(a)   (1 & a >> COLLISION_FLOOR)