From b34f7b763e9c2884e3f9e51b4a1f6ae2f0cdad24 Mon Sep 17 00:00:00 2001
From: Alex Ilchenko <ilczenko@gmail.com>
Date: Wed, 6 Mar 2024 16:34:21 +0100
Subject: [PATCH] feat(engine): added getMultipliedVector function

---
 .../get-multiplied-vector.ts                  | 19 +++++++++++++++++++
 .../utils/get-multiplied-vector/index.ts      |  1 +
 2 files changed, 20 insertions(+)
 create mode 100644 src/features/engine/utils/get-multiplied-vector/get-multiplied-vector.ts
 create mode 100644 src/features/engine/utils/get-multiplied-vector/index.ts

diff --git a/src/features/engine/utils/get-multiplied-vector/get-multiplied-vector.ts b/src/features/engine/utils/get-multiplied-vector/get-multiplied-vector.ts
new file mode 100644
index 0000000..bee7bad
--- /dev/null
+++ b/src/features/engine/utils/get-multiplied-vector/get-multiplied-vector.ts
@@ -0,0 +1,19 @@
+import { Vector } from '../../types/entities';
+
+export const getMultipliedVector = ({
+	multiplier,
+	vector,
+}: {
+	vector: Vector;
+	multiplier: number;
+}): Vector => {
+	const result = {
+		x: vector.x * multiplier,
+		y: vector.y * multiplier,
+	};
+
+	return {
+		x: Object.is(result.x, -0) ? 0 : result.x,
+		y: Object.is(result.y, -0) ? 0 : result.y,
+	};
+};
diff --git a/src/features/engine/utils/get-multiplied-vector/index.ts b/src/features/engine/utils/get-multiplied-vector/index.ts
new file mode 100644
index 0000000..e9b531f
--- /dev/null
+++ b/src/features/engine/utils/get-multiplied-vector/index.ts
@@ -0,0 +1 @@
+export * from './get-multiplied-vector';