yichael_moveordiealone/assets/Scripts/Game/Map.ts

import EventType from "./EventType";

const {ccclass, property} = cc._decorator;

@ccclass
export default class Map extends cc.Component {

    onLoad(){
        window.map = this;
    }

    start(){
        this.createMapByMapInfo();
    }

    createMapByMapInfo(){
        window.resource.mapInfo.json.forEach(this.createNodeByPrefabInfo,this);
    }

    createNodeByPrefabInfo(prefabInfo:PrefabInfo):void{
        let node:cc.Node = cc.instantiate(window.resource['pf_'+prefabInfo.name]);
        node.setPosition(prefabInfo.position);
        node.setContentSize(prefabInfo.size);
        node.angle = prefabInfo.angle;
        if(prefabInfo.name=='Ground'||prefabInfo.name=='Box'){
            if(prefabInfo.name=='Ground'){
                node.removeComponent(cc.Sprite)
            }
            if(prefabInfo.name=='Box'){
                node.addComponent(Box).init(prefabInfo);
            }
            node.getComponent(cc.PhysicsBoxCollider).size = prefabInfo.size;
            node.getComponent(cc.BoxCollider).size = cc.size(prefabInfo.size.width, 2);
            node.getComponent(cc.BoxCollider).offset = cc.v2(0, prefabInfo.size.height/2);
            node.group = EventType.GROUP_GROUND;
        }
        this.node.addChild(node);
    }
}
class Box extends cc.Component{
    prefabInfo:PrefabInfo;
    hasTouched:boolean = false;

    init(prefabInfo:PrefabInfo){
        this.prefabInfo = prefabInfo;
    }

    onCollisionEnter(){
        if(this.hasTouched)return;
        this.hasTouched = true;

        this.node.runAction(cc.sequence(
            cc.fadeOut(1),
            cc.callFunc(()=>{
                let prefabInfo = this.prefabInfo;
                setTimeout(() => {
                    window.map.createNodeByPrefabInfo(prefabInfo);
                }, 3000);
                this.node.destroy();
            },this)
        ));
    }
}