initial commit

1 files changed, 23 insertions, 0 deletions

diff --git a/src/engine/keyboard.js b/src/engine/keyboard.js
new file mode 100644
index 0000000..d634519
--- /dev/null
+++ b/src/engine/keyboard.js
@@ -0,0 +1,23 @@
+export function setUpKeyboard() {
+    document.addEventListener("keyup", k => trigger(k))
+    document.addEventListener("keydown", k => trigger(k))
+}
+
+export const keys = {
+    right: false,
+    left: false,
+    up: false,
+    down: false,
+    shoot: false,
+}
+
+function trigger(event) {
+    let on = event.type == "keydown"
+    switch (event.key) {
+        case "ArrowRight": keys.right = on; break;
+        case "ArrowLeft": keys.left = on; break;
+        case "ArrowUp": keys.up = on; break;
+        case "ArrowDown": keys.down = on; break;
+        case "z": case "Z": keys.shoot = on; break;
+    }
+}