jdt-fish-client/assets/FishSingle/fish/script/FishMover.ts

import {
    _decorator,
    Component,
    CCInteger,
    CCFloat,
    Vec2,
    Animation,
    Vec3,
} from 'cc'

const {ccclass, property} = _decorator

import FishBase from './FishBase'
import MathUtils from '../../script/engine/utils/MathUtils'
import {Logger} from '../../script/engine/utils/Logger'
import TimeHelper from '../../script/game/utils/TimeHelper'

@ccclass('FishMover')
export default class FishMover extends Component {
    //鱼类型
    @property({type: CCInteger})
    public fishType: number = 1
    //鱼移动速度
    @property({type: CCFloat})
    public speed: number = 3
    //下个位置移动点
    private targetMoveIndex: number = 0
    //鱼移动位置
    public movePList: Array<Vec2> = []
    //贝萨尔曲线
    public bezierPList: Array<Vec2> = []
    public isMoving: boolean = false
    private minSpeed: number = 0.1
    private moveCount: number = 1
    private totalTimes: number = 60 * 2
    private _vec3Cahce: Vec3 = new Vec3()

    public startMove() {
        this.targetMoveIndex = 0
        this.isMoving = true
        //this.node.getComponent(Animation).play()//v3 当前帧 不能播放
        TimeHelper.exeNextFrame(this.node, () =>
            this.node.getComponent(Animation).play()
        )
    }

    update(dt) {
        // this.moveFish();
        this.checkMoveBezier()
    }

    private checkMoveBezier() {
        if (this.isMoving && !this.getComponent(FishBase).isDead) {
            this.moveCount++
            if (this.moveCount >= this.totalTimes) {
                this.moveCount = this.totalTimes
            }
            this.moveBezier()
        }
    }

    public moveBezier() {
        // [warn]  [[-632,-230],[-444,-117],[-264,-242]]
        // let p0: cc.Vec2 = cc.v2(-632, -230)
        // let p1: cc.Vec2 = cc.v2(-444, -117)
        // let p2: cc.Vec2 = cc.v2(-264, -242)
        if (this.bezierPList.length > this.targetMoveIndex + 2) {
            let p0: Vec2 = this.bezierPList[this.targetMoveIndex]
            let p1: Vec2 = this.bezierPList[this.targetMoveIndex + 1]
            let p2: Vec2 = this.bezierPList[this.targetMoveIndex + 2]
            let t: number = this.moveCount / this.totalTimes
            let mx: number =
                Math.pow(1 - t, 2) * p0.x +
                2 * t * (1 - t) * p1.x +
                Math.pow(t, 2) * p2.x
            let my: number =
                Math.pow(1 - t, 2) * p0.y +
                2 * t * (1 - t) * p1.y +
                Math.pow(t, 2) * p2.y
            this.node.getPosition(this._vec3Cahce)
            let rad: number = MathUtils.p2pRad(
                new Vec2(this._vec3Cahce.x, this._vec3Cahce.y),
                new Vec2(mx, my)
            )
            let rot111: number = MathUtils.radiansToDegrees(rad)
            let rot: number = MathUtils.rotation2Fish(rot111)
            if (this.fishType == 7 || this.fishType == 27 || this.fishType == 29) {
                if (rot > 90 || rot < -90) {
                    this.node.getScale(this._vec3Cahce)
                    if (this._vec3Cahce.x > 0) {
                        this._vec3Cahce.x = -1 * this._vec3Cahce.x
                        this.node.setScale(this._vec3Cahce)
                    }
                } else {
                    this.node.getScale(this._vec3Cahce)
                    if (this._vec3Cahce.x < 0) {
                        this._vec3Cahce.x = -1 * this._vec3Cahce.x
                        this.node.setScale(this._vec3Cahce)
                    }
                }
            } else if (
                this.fishType == 9 ||
                this.fishType == 10 ||
                this.fishType == 21 ||
                this.fishType == 28
            ) {
            } else {
                // this.node.rotation = rot; //过时
                this.node.angle = -rot
            }
            // Logger.log("moveBezier====", rad, rot111, this.fishType, rot)
            let moveTimes: number = Math.round(this.speed / this.minSpeed)
            for (let i = 0; i < moveTimes; i++) {
                let speedX: number = this.minSpeed * Math.cos(rad)
                let speedY: number = this.minSpeed * Math.sin(rad)
                this.node.getPosition(this._vec3Cahce)
                this._vec3Cahce.x += speedX
                this._vec3Cahce.y += speedY
                this.node.setPosition(this._vec3Cahce)
                if (
                    MathUtils.distance(this._vec3Cahce.x, this._vec3Cahce.y, mx, my) <=
                    this.minSpeed
                ) {
                    this.node.setPosition(mx, my)
                    break
                }
                if (
                    MathUtils.distance(
                        this._vec3Cahce.x,
                        this._vec3Cahce.y,
                        p2.x,
                        p2.y
                    ) <=
                    this.minSpeed * 2
                ) {
                    this.node.setPosition(p2.x, p2.y)
                    this.targetMoveIndex += 2
                    this.moveCount = 0
                    break
                }
            }
        } else {
            this.isMoving = false
        }
    }

    onDisable() {
        this.isMoving = false
    }

    public exportBezierConfig() {
        Logger.warn('exportBezierConfig=')
        let tempConfig: Array<Array<number>> = []
        for (let i = 0; i < this.bezierPList.length; i++) {
            tempConfig[i] = []
            tempConfig[i].push(Math.floor(this.bezierPList[i].x))
            tempConfig[i].push(Math.floor(this.bezierPList[i].y))
        }
        Logger.warn('fishtype', this.fishType)
        Logger.warn('speed', this.speed)
        Logger.warn('scale', this.node.scale)
        Logger.warn(JSON.stringify(tempConfig))
    }
}