伪3d拖拽，45度视角,60度视角
工程下载：（待审核）
https://download.csdn.net/download/K86338236/89530812

dragItem2.t s

import mapCreat2 from "./mapCreat2";


const {
    ccclass, property } = cc._decorator;
/**
 * 拖拽类，挂在要拖拽的节点上
 */
@ccclass
export default class dragItem2 extends cc.Component {
   

    @property(mapCreat2)
    mapCreat: mapCreat2 = null;

    private _originPos: cc.Vec2;
    private _startPos: any;
    oginPos: any;

    colRowPos = cc.v3(0, 0, 0)

    onLoad() {
   
        this.oginPos = this.node.position;
        this.regiestNodeEvent(this.node.children[0] || this.node);
    }

    init(pos) {
   
        this.colRowPos = pos;
    }

    /** 节点注册事件 */
    regiestNodeEvent(node: cc.Node) {
   
        if (!node) return;
        node.on(cc.Node.EventType.TOUCH_START, this.touchStartEvent, this);
        node.on(cc.Node.EventType.TOUCH_MOVE, this.touchMoveEvent, this);
        node.on(cc.Node.EventType.TOUCH_END, this.touchEndEvent, this);
        node.on(cc.Node.EventType.TOUCH_CANCEL, this.touchEndEvent, this);
    }

    touchStartEvent(event) {
   
        console.log('touch start--------')
        this._originPos = this.node.getPosition();
        this._startPos = event.getLocation();
        this.node.zIndex = 9999;
        this.mapCreat.removeBox(this.colRowPos)
    }

    touchMoveEvent(event) {
   
        let pos = event.getLocation();
        if (!this._startPos) {
   
            return;
        }
        let offset_x = pos.x - this._startPos.x;
        let offset_y = pos.y - this._startPos.y;

        this.node.x = this._originPos.x + offset_x;
        this.node.y = this._originPos.y + offset_y;
    }

    touchEndEvent(event) {
   
        this._startPos = null;
        this.setPos(false)
    }


    setPos(isInit?) {
   
        const {
    endPos, col, row, layer } = this.mapCreat.getPutPos(this.node, isInit, this.colRowPos)
        if (!endPos) return
        this.node.position = endPos;
        this.colRowPos = cc.v3(col, row, layer);
        this.mapCreat.addBox(cc.v3(col, row, layer))
        this.node.zIndex = -col * 10 - row * 10 + layer;
    }
}

mapCreat2.ts

import dragItem from "./dragItem";


const {
    ccclass, property } = cc._decorator;

@ccclass
export default class mapCreat extends cc.Component {
   

    //可修改

    mapH = 10;     // 地图纵向格子数量
    mapW = 10;     // 地图横向格子数量

    _layerH = 64.3;     // 地图单元格子高度,根据ui素材调整
    _gridW = 64.3;   // 地图单元格子长度,根据ui素材调整
    _gridH = 19;   // 地图单元格子宽度,根据ui素材调整
    boxAngel = 52;//地图伪3d角度,根据ui素材调整