// Learn TypeScript:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/typescript.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/reference/attributes.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/life-cycle-callbacks.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class NewClass extends cc.Component {

    @property
    BulletSpeed: number = -500;

    // LIFE-CYCLE CALLBACKS:

    onCollisionEnter(otherCollider, selfCollider) {
        if(['alienship3<PolygonCollider>', 'alienship4<PolygonCollider>', 'alienship5<PolygonCollider>'].indexOf(otherCollider.name) !== -1) {
            this.node.destroy();
        }
    }

    onLoad () {
        cc.director.preloadScene('Menu');
    }

    start () {

    }

    update (dt) {
        this.node.setPosition(this.node.position.x, this.node.position.y -= this.BulletSpeed * dt);
        if(this.node.position.y <= -(this.node.parent.getContentSize().height)) {
            this.node.destroy();
        }
    }
}