JumpGame/assets/Script/Character/GameTips.ts

// Learn TypeScript:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/life-cycle-callbacks.html

import EventName from "../EventName/EventName";
import MyComponent from "../Template/MyComponent";

const { ccclass, property } = cc._decorator;

@ccclass
export default class GameTips extends MyComponent {

    @property(cc.Label)
    Hight: cc.Label = null;
    @property(cc.Label)
    Left: cc.Label = null;
    @property(cc.Label)
    Right: cc.Label = null;

    // LIFE-CYCLE CALLBACKS:

    onLoad() {
        super.onLoad()
    }

    start() {
        this.regEvent(EventName.Update_CurrentHight, this.Update_CurrentHight, this)

        this.regEvent(EventName.YaoGanMove, this.YaoGanMove, this)


    }

    Update_CurrentHight(hightNum: number) {
        this.Hight.string = `当 前 高 度 ${hightNum.toString()} M`
    }
    // YaoGanEnd(dir: cc.Vec3, power: number) {
    //     // const result = parseFloat((power * 100).toFixed(2));
    //     // this.History.string = `历史:${this.GetAngle(dir)}° , ${result}%`
    // }
    YaoGanMove(dir: cc.Vec3, power: number) {

        const result = parseFloat((power * 100).toFixed(0));
        this.Left.string = `角度 ${this.GetAngle(dir)}°`
        this.Right.string = `力量 ${this.FixLength(result)}%`



    }


    GetAngle(dir: cc.Vec3) {
        //根据朝向计算出夹角弧度
        var angle = dir.signAngle(cc.v2(0, 1));

        //将弧度转换为欧拉角
        // (angle / Math.PI * 180).toFixed(0);
        return this.FixLength((angle / Math.PI * 180).toFixed(0).toString())
        // let numStr = (angle / Math.PI * 180).toFixed(0).toString();
        // let spacesToAdd = 3 - numStr.length;
        // let paddedStr = "";
        // for (let i = 0; i < spacesToAdd; i++) {
        //     paddedStr += " ";
        // }
        // return paddedStr + numStr;
    }

    FixLength(numStr) {
        let spacesToAdd = 4 - numStr.length;
        let paddedStr = "";
        for (let i = 0; i < spacesToAdd; i++) {
            paddedStr += " ";
        }
        return paddedStr + numStr;
    }

    onDestroy(): void {
        super.onDestroy()
    }
}