add node.up && node.right (cocos#8643)

* add node.up && node.right * modify comments * modify comments * update * Update cocos/core/scene-graph/node.ts Co-authored-by: Santy-Wang <[email protected]> * Update cocos/core/scene-graph/node.ts Co-authored-by: Santy-Wang <[email protected]> * Update cocos/core/scene-graph/node.ts Co-authored-by: Santy-Wang <[email protected]> * Update cocos/core/scene-graph/node.ts Co-authored-by: Santy-Wang <[email protected]> Co-authored-by: Santy-Wang <[email protected]>
SantyWang · Jun 10, 2021 · 8ceb4be · 8ceb4be
1 parent 8d0e57b
commit 8ceb4be
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/cocos/core/scene-graph/node.ts b/cocos/core/scene-graph/node.ts
@@ -423,6 +423,22 @@ export class Node extends BaseNode {
         this.setWorldRotation(q_a);
     }
 
+    /**
+     * @en Return the up direction vertor of this node in world space.
+     * @zh 返回当前节点在世界空间中朝上的方向向量
+     */
+    get up (): Vec3 {
+        return Vec3.transformQuat(new Vec3(), Vec3.UP, this.worldRotation);
+    }
+
+    /**
+     * @en Return the right direction vector of this node in world space.
+     * @zh 返回当前节点在世界空间中朝右的方向向量
+     */
+    get right (): Vec3 {
+        return Vec3.transformQuat(new Vec3(), Vec3.RIGHT, this.worldRotation);
+    }
+
     /**
      * @en Layer of the current Node, it affects raycast, physics etc, refer to [[Layers]]
      * @zh 节点所属层，主要影响射线检测、物理碰撞等，参考 [[Layers]]