更改使用面3创建的网格的颜色

var geometry = new THREE.Geometry();
var f = 0;
for (var i = 0; i < data.real.length; i++, f += 4) {
    var o2 = i == data.real.length - 1 ? 0 : i + 1;
    var tl = data.real[i];
    var tr = data.real[o2];
    var bl = data.zeroAxis[i];
    var br = data.zeroAxis[o2];

    geometry.vertices.push(tl, tr, br, bl);
    geometry.faces.push(new THREE.Face3(f, f + 1, f + 2));
    face.materials = [ new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff } ) ];

    geometry.faces.push(new THREE.Face3(f, f + 3, f + 2));
}
var material = new THREE.MeshPhongMaterial({
    color : new THREE.Color(0x008000),
    side : THREE.DoubleSide,
    transparent : true,
    opacity : 0.5
});
var object = new THREE.Mesh(geometry, material);
object.position.set(0, 0, 0);
this.plot = object;
this.tb.scene.add(object);
this.tb.render();