import { _decorator, Component, Node, tween, v3, Vec3 } from 'cc';
import { SkillCom } from './SkillCom';
const { ccclass, property } = _decorator;

@ccclass('LineCom')
export class LineCom extends Component {
    start() {
        let base =this.node.getComponent(SkillCom)
        let time = 720 / base.speed;
        let squaredDistance = base.t_pos.x * base.t_pos.x + base.t_pos.y * base.t_pos.y;
        let distance = Math.sqrt(squaredDistance);
        time = distance / base.speed;
        let e_pos=v3(this.node.position.x+base.t_pos.x,this.node.position.y+base.t_pos.y)
        // console.log("skill tx:"+e_pos.x+"  node :"+this.node.position.x)
        this.node.getChildByName("skill").setRotationFromEuler(0,0,base.angle)
        // console.log("skill ",this.node.getRotation())
        tween(this.node).to( time,{ position: e_pos},
            {
                easing: "linear",   
                onUpdate: (target: Vec3, ratio: number) => {   },
                onComplete: (target?: object) => { 
                    base.is_destroy=true
                },
            }   
        ).start();  
    }

    update(deltaTime: number) {
        
    }
}