From 7c8de7ec4d30f1858c4244886bf5703d88cb523a Mon Sep 17 00:00:00 2001
From: Sikriti Dakua <38714423+devloop01@users.noreply.github.com>
Date: Thu, 21 Mar 2024 23:00:15 +0530
Subject: [PATCH] feat: add `copy()` method

---
 .changeset/few-trees-juggle.md |  5 +++++
 src/2d/vector2.ts              | 14 ++++++++++++++
 src/3d/vector3.ts              | 15 +++++++++++++++
 src/__tests__/vector2.test.ts  |  9 +++++++++
 4 files changed, 43 insertions(+)
 create mode 100644 .changeset/few-trees-juggle.md

diff --git a/.changeset/few-trees-juggle.md b/.changeset/few-trees-juggle.md
new file mode 100644
index 0000000..c2dd4fe
--- /dev/null
+++ b/.changeset/few-trees-juggle.md
@@ -0,0 +1,5 @@
+---
+'vecteur': minor
+---
+
+feat: add `copy()` method for `Vector2` & `Vector3`
diff --git a/src/2d/vector2.ts b/src/2d/vector2.ts
index 704e8c2..c4fa623 100644
--- a/src/2d/vector2.ts
+++ b/src/2d/vector2.ts
@@ -74,6 +74,20 @@ class Vector2 {
 		return new Vector2(this.x, this.y)
 	}
 
+	/**
+	 * Copies the x and y components of another vector.
+	 * @example
+	 * const v1 = new Vector2(1, 2);
+	 * const v2 = new Vector2(3, 4);
+	 * v1.copy(v2); // v1 is now equal to v2
+	 * @returns this
+	 */
+	copy(v: Vector2) {
+		this.x = v.x
+		this.y = v.y
+		return this
+	}
+
 	/**
 	 * Returns an array with the x and y components of the vector.
 	 * @example
diff --git a/src/3d/vector3.ts b/src/3d/vector3.ts
index 8721c23..0da7495 100644
--- a/src/3d/vector3.ts
+++ b/src/3d/vector3.ts
@@ -90,6 +90,21 @@ class Vector3 {
 		return new Vector3(this.x, this.y, this.z)
 	}
 
+	/**
+	 * Copies the x and y components of another vector.
+	 * @example
+	 * const v1 = new Vector2(1, 2);
+	 * const v2 = new Vector2(3, 4);
+	 * v1.copy(v2); // v1 is now equal to v2
+	 * @returns this
+	 */
+	copy(v: Vector3) {
+		this.x = v.x
+		this.y = v.y
+		this.z = v.z
+		return this
+	}
+
 	/**
 	 * Returns an array with the x, y and z components of the vector.
 	 * @example
diff --git a/src/__tests__/vector2.test.ts b/src/__tests__/vector2.test.ts
index 2ff4dbe..91e658b 100644
--- a/src/__tests__/vector2.test.ts
+++ b/src/__tests__/vector2.test.ts
@@ -60,6 +60,15 @@ describe('Vector2 Class', () => {
 		})
 	})
 
+	describe('copy', () => {
+		it('should copy the components of another vector', () => {
+			const vectorA = new Vector2(3, 4)
+			const vectorB = new Vector2().copy(vectorA)
+			expect(vectorB.x).toBe(vectorA.x)
+			expect(vectorB.y).toBe(vectorA.y)
+		})
+	})
+
 	describe('toArray', () => {
 		it('should return an array with the components of the vector', () => {
 			const vector = new Vector2(5, 6)