liberty check demo

1 files changed, 13 insertions, 0 deletions

diff --git a/src/engine/vector2.js b/src/engine/vector2.js
new file mode 100644
index 0000000..6c2a2a2
--- /dev/null
+++ b/src/engine/vector2.js
@@ -0,0 +1,13 @@
+export class Vector2 {
+    constructor(x, y) {
+        this.x = x
+        this.y = y
+    }
+
+    static sum(a, b) {
+	return new Vector2(
+	    a.x + b.x,
+	    a.y + b.y,
+	)
+    }
+}