a bit of refactoring; importing engine into bun for server

1 files changed, 34 insertions, 0 deletions

diff --git a/engine/config/constants.ts b/engine/config/constants.ts
new file mode 100644
index 0000000..27c8160
--- /dev/null
+++ b/engine/config/constants.ts
@@ -0,0 +1,34 @@
+import { Action } from "../interfaces";
+
+export namespace KeyConstants {
+  export const KeyActions: Record<string, Action> = {
+    a: Action.MOVE_LEFT,
+    ArrowLeft: Action.MOVE_LEFT,
+    d: Action.MOVE_RIGHT,
+    ArrowRight: Action.MOVE_RIGHT,
+    w: Action.JUMP,
+    ArrowUp: Action.JUMP,
+  };
+
+  export const ActionKeys: Map<Action, string[]> = Object.keys(
+    KeyActions
+  ).reduce((acc: Map<Action, string[]>, key) => {
+    const action = KeyActions[key];
+
+    if (acc.has(action)) {
+      acc.get(action).push(key);
+      return acc;
+    }
+
+    acc.set(action, [key]);
+    return acc;
+  }, new Map<Action, string[]>());
+}
+
+export namespace PhysicsConstants {
+  export const MAX_JUMP_TIME_MS = 150;
+  export const GRAVITY = 0.0075;
+  export const PLAYER_MOVE_VEL = 1;
+  export const PLAYER_JUMP_ACC = -0.01;
+  export const PLAYER_JUMP_INITIAL_VEL = -0.9;
+}