Add "coyote time"

If the player moves and gains momentum, allow jumping then the gravity
as already kicked in to make easier tricky jumps.

1 files changed, 3 insertions, 1 deletions

diff --git a/TODO.md b/TODO.md
index 92957ad..aacb433 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,7 +3,9 @@
 - entity system
   - free/used lists
 - player
-  - "coyote time"
+  - damage
+  - invulnerable
+  - respawn
 - map
   - entities
 - pick ups