Control a ship that can fire missiles

1 files changed, 3 insertions, 0 deletions

diff --git a/src/util/number.ts b/src/util/number.ts
new file mode 100644
index 0000000..87f1e2e
--- /dev/null
+++ b/src/util/number.ts
@@ -0,0 +1,3 @@
+export function clamp(x: number, min: number, max: number): number {
+  return Math.max(min, Math.min(max, x))
+}