73 lines
1.8 KiB
TypeScript
73 lines
1.8 KiB
TypeScript
import {
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Component,
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EventMouse,
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Node,
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Sprite,
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SpriteFrame,
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UITransform,
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Vec2,
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Vec3,
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_decorator,
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} from 'cc'
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import MathUtils from '../../engine/utils/MathUtils'
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const { ccclass, property } = _decorator
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// 炮塔管理类
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@ccclass('CannonManager')
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export default class CannonManager extends Component {
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public static instance: CannonManager = null
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@property({ type: Node })
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private view: Node | null = null
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@property({ type: [SpriteFrame] })
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private cannonSpriteFrame: Array<SpriteFrame> | [] = []
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// 炮塔倍数
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public cannonType: number = 1
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private _vec3Cache: Vec3
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onLoad() {
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this._vec3Cache = new Vec3()
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CannonManager.instance = this
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this.node.parent.on(Node.EventType.MOUSE_MOVE, this.onMeMove.bind(this))
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this.refreshCannon()
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}
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// 炮塔移动
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private onMeMove(event: EventMouse) {
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this.rotateCannon(event.getUILocation())
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}
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// 炮塔旋转
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public rotateCannon(uilocation: Vec2) {
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const location = uilocation
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this._vec3Cache.x = location.x
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this._vec3Cache.y = location.y
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this._vec3Cache.z = 0
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const tran = this.node.getComponent(UITransform)
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tran.convertToNodeSpaceAR(this._vec3Cache, this._vec3Cache)
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const localTouch: Vec2 = new Vec2(this._vec3Cache.x, this._vec3Cache.y)
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this.view.getPosition(this._vec3Cache)
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const rad: number = MathUtils.p2pRad(new Vec2(this._vec3Cache.x, this._vec3Cache.y), localTouch)
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const rot: number = MathUtils.radiansToDegrees(rad)
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this.view.angle = rot - 90
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}
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// 刷新炮塔
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public refreshCannon() {
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this.view.getComponent(Sprite).spriteFrame = this.cannonSpriteFrame[this.cannonType - 1]
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}
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// 获取炮塔位置
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public getCannonPosition() {
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return this.view.getPosition()
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}
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onDestroy() {
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CannonManager.instance = null
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}
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}
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