要改变THREE.AxesHelper的坐标轴的粗细,你可以通过修改THREE.LineBasicMateriallinewidth属性来实现。

首先,创建一个THREE.AxesHelper对象:

const axesHelper = new THREE.AxesHelper(5);
scene.add(axesHelper);

然后,获取到THREE.LineBasicMaterial对象:

const material = axesHelper.material;

最后,修改linewidth属性为你想要的粗细值:

material.linewidth = 2; // 设置为2表示粗细为2个像素

完整的代码如下所示:

const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
const renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

const axesHelper = new THREE.AxesHelper(5);
scene.add(axesHelper);

const material = axesHelper.material;
material.linewidth = 2;

camera.position.z = 10;

function animate() {
    requestAnimationFrame(animate);
    renderer.render(scene, camera);
}
animate();

这样,你就可以使用THREE.AxesHelper并修改坐标轴的粗细了

请用如何用threejs改变THREEAxesHelper的坐标轴的粗细

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