优化若干代码

assets/FishSingle/script/game/manager/CannonManager.ts

@@ -1,66 +1,58 @@
-import {
-	_decorator,
-	Component,
-	Node,
-	SpriteFrame,
-	Event,
-	EventMouse,
-	Sprite,
-	Vec2,
-	UITransform,
-	Vec3,
-} from 'cc'
-const { ccclass, property } = _decorator
-
+import { _decorator, Component, EventMouse, Node, Sprite, SpriteFrame, UITransform, Vec2, Vec3 } from 'cc'
 import MathUtils from '../../engine/utils/MathUtils'
 
+const { ccclass, property } = _decorator
+
 @ccclass('CannonManager')
 export default class CannonManager extends Component {
-	public static instance: CannonManager = null
-	@property({ type: Node })
-	private view: Node | null = null
-	@property({ type: [SpriteFrame] })
-	private cannonSpriteFrame: Array<SpriteFrame> = []
-	// 炮塔倍数
-	public cannonType: number = 1
-	private _vec3Cache
+  public static instance: CannonManager = null
+  @property({ type: Node })
+  private view: Node | null = null
+  @property({ type: [SpriteFrame] })
+  private cannonSpriteFrame: Array<SpriteFrame> | [] = []
+  // 炮塔倍数
+  public cannonType: number = 1
+  private _vec3Cache: Vec3
 
-	onLoad() {
-		this._vec3Cache = new Vec3()
-		CannonManager.instance = this
-		this.node.parent.on(Node.EventType.MOUSE_MOVE, this.onMeMove.bind(this))
-		this.refreshCannon()
-	}
-	private onMeMove(event: EventMouse) {
-		this.rotateCannon(event.getUILocation())
-	}
+  onLoad() {
+    this._vec3Cache = new Vec3()
+    CannonManager.instance = this
+    this.node.parent.on(Node.EventType.MOUSE_MOVE, this.onMeMove.bind(this))
+    this.refreshCannon()
+  }
 
-	public rotateCannon(uilocation: Vec2) {
-		let location = uilocation
-		this._vec3Cache.x = location.x
-		this._vec3Cache.y = location.y
-		this._vec3Cache.z = 0
-		let tran = this.node.getComponent(UITransform)
-		tran.convertToNodeSpaceAR(this._vec3Cache, this._vec3Cache)
+  private onMeMove(event: EventMouse) {
+    this.rotateCannon(event.getUILocation())
+  }
 
-		let localTouch: Vec2 = new Vec2(this._vec3Cache.x, this._vec3Cache.y)
-		this.view.getPosition(this._vec3Cache)
-		let rad: number = MathUtils.p2pRad(
-			new Vec2(this._vec3Cache.x, this._vec3Cache.y),
-			localTouch
-		)
-		let rot: number = MathUtils.radiansToDegrees(rad)
-		this.view.angle = rot - 90
-	}
+  public rotateCannon(uilocation: Vec2) {
+    let location = uilocation
+    this._vec3Cache.x = location.x
+    this._vec3Cache.y = location.y
+    this._vec3Cache.z = 0
+    let tran = this.node.getComponent(UITransform)
+    tran.convertToNodeSpaceAR(this._vec3Cache, this._vec3Cache)
 
-	public refreshCannon() {
-		this.view.getComponent(Sprite).spriteFrame =
-			this.cannonSpriteFrame[this.cannonType - 1]
-	}
-	public getCannonPosition() {
-		return this.view.getPosition()
-	}
-	onDestroy() {
-		CannonManager.instance = null
-	}
+    let localTouch: Vec2 = new Vec2(this._vec3Cache.x, this._vec3Cache.y)
+    this.view.getPosition(this._vec3Cache)
+    let rad: number = MathUtils.p2pRad(
+      new Vec2(this._vec3Cache.x, this._vec3Cache.y),
+      localTouch
+    )
+    let rot: number = MathUtils.radiansToDegrees(rad)
+    this.view.angle = rot - 90
+  }
+
+  public refreshCannon() {
+    this.view.getComponent(Sprite).spriteFrame =
+      this.cannonSpriteFrame[this.cannonType - 1]
+  }
+
+  public getCannonPosition() {
+    return this.view.getPosition()
+  }
+
+  onDestroy() {
+    CannonManager.instance = null
+  }
 }