添加：vector2 静态方法

Nightre · Apr 20, 2024 · 381d66c · 381d66c
1 parent d7650ed
commit 381d66c
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Showing 2 changed files with 17 additions and 2 deletions.
diff --git a/package.json b/package.json
@@ -36,8 +36,8 @@
     "tslib": "^2.6.2",
     "typedoc": "^0.25.7",
     "typedoc-theme-category-nav": "^0.0.3",
-    "typescript": "^5.3.3",
-    "vite": "^5.0.10"
+    "vite": "^5.0.10",
+    "typescript": "^5.3.3"
   },
   "author": "nightscra",
   "license": "MIT"

diff --git a/src/math/vector.ts b/src/math/vector.ts
@@ -112,6 +112,21 @@ class Vector2 implements IPoolable, ICopyable<Vector2> {
     static fromAngle(angle: number): Vector2 {
         return new Vector2(Math.cos(angle), Math.sin(angle));
     }
+    static get DOWN() {
+        return new Vector2(0, -1)
+    }
+    static get UP() {
+        return new Vector2(0, -1)
+    }
+    static get LEFT() {
+        return new Vector2(1, 0)
+    }
+    static get RIGHT() {
+        return new Vector2(-1, 0)
+    }
+    static get ZERO(){
+        return new Vector2(0, 0)
+    }
 }
 
 export default Vector2