3dapp/js/units/css2dlabel.js

import { CSS2DRenderer, CSS2DObject } from 'jsm/renderers/CSS2DRenderer.js';
export default {
    createButton: function (obj, perent, i) {

        const btnDiv = document.createElement('button');
        btnDiv.className = 'btn';
        btnDiv.identifierName = 'btn';
        btnDiv.textContent = 'Btn： Click ...';
        btnDiv.style.marginTop = '-1em';
        btnDiv.style.zIndex = 1000;

        const css2dBtn = new CSS2DObject(btnDiv);

        css2dBtn.position.set(obj.x + 2, obj.y, obj.z);
        css2dBtn.name = "datalabel" + i;
        css2dBtn.userData = { name: "datalable", id: "", url: "" }
        // css2DLabelList.add(css2DLabel);
        window.scene.add(css2dBtn);

    },

    //创建标签
    createCSSLabel: function (text, x = 0, y = 0, z = 0, className = 'label') {

        const labelDiv = document.createElement('div');
        labelDiv.className = className;
        labelDiv.name = "csslabeldiv"
        labelDiv.textContent = text;

        labelDiv.style.pointerEvents = 'none';//避免HTML标签遮挡三维场景的鼠标事件
        const css2DLabel = new CSS2DObject(labelDiv);
        css2DLabel.position.set(x, y, z);
        css2DLabel.name = "datalabel"
        css2DLabel.userData = { name: "datalable", id: "", url: "" }
        return css2DLabel;

    },
    create3dPage: function (scene, w, h, position, rotation, url) {
        var plane = this.createPlane(
            w, h,
            position,
            rotation);
        scene.add(plane);

        var cssObject = this.createCssObject(
            w, h,
            position,
            rotation,
            url);
        scene.add(cssObject);
    },


    createPlane: function (w, h, position, rotation) {

        var material = new THREE.MeshBasicMaterial({
            color: 0x000000,
            opacity: 0.0,
            side: THREE.DoubleSide
        });

        var geometry = new THREE.PlaneGeometry(w, h);

        var mesh = new THREE.Mesh(geometry, material);

        mesh.position.x = position.x;
        mesh.position.y = position.y;
        mesh.position.z = position.z;

        mesh.rotation.x = rotation.x;
        mesh.rotation.y = rotation.y;
        mesh.rotation.z = rotation.z;

        mesh.scale.set(0.003, 0.003, 0.003);
        return mesh;
    },

    createCssObject: function (w, h, position, rotation, url) {
        var iframe = document.createElement('iframe')
        iframe.src = url;
        iframe.style.width = w + 'px';
        iframe.style.height = h + 'px';
        iframe.style.border = '0px';
        //     const iframe = document.createElement('div');
        //   //  iframe.className = 'className';
        //     iframe.name = "csslabeldiv"
        //     iframe.textContent = '测试11111';

        //     iframe.style.pointerEvents = 'none';//避免HTML标签遮挡三维场景的鼠标事件




        var cssObject = new CSS2DObject(iframe);
        cssObject.position.x = position.x;
        cssObject.position.y = position.y;
        cssObject.position.z = position.z;

        cssObject.rotation.x = rotation.x;
        cssObject.rotation.y = rotation.y;
        cssObject.rotation.z = rotation.z;

        cssObject.scale.set(0.003, 0.003, 0.003);
        return cssObject;
    }

}