some stuff

src/main.ts

@@ -130,6 +130,46 @@ scene("game", (scravatar: string) => {
   createCards();
   const player = createPlayer(scravatar);
 
+  onUpdate(() => {
+    setCamPos(lerp(getCamPos(), player.pos, 0.1));
+  });
+
+  const button = add([
+    pos(10, height() - 50),
+    rect(120, 40),
+    outline(3, BLACK),
+    color("mediumspringgreen"),
+    area(),
+    layer("ui"),
+    fixed(),
+    "button",
+  ]);
+
+  button.add([
+    pos(60, 20),
+    anchor("center"),
+    color(BLACK),
+    text("Countdown", { font: "happy", size: 14 }),
+  ]);
+
+  button.onHover(() => {
+    button.color = button.color.darken(40);
+    setCursor("pointer");
+  });
+
+  button.onHoverEnd(() => {
+    button.color = button.color.lighten(40);
+    setCursor("default");
+  });
+
+  onClick("button", () => {
+    addKaboom(mousePos());
+  });
+
+  button.onClick(() => {
+    addKaboom(mousePos());
+  });
+
   onKeyDown(["w", "up"], () => {
     player.moveBy(0, -SPEED);
   });