在Three.js中，我如何赋予我的形状自定义边缘颜色？ （不只是设置线框：true）

Question

我正在制作一个3d条形图，我希望我的条形图有自定义颜色的边缘。有人有主意吗？我的形状像这样创建

var threeWidth = 400,
  threeHeight = 300;
var viewAngle = 45,
  aspect = threeWidth / threeHeight,
  near = 0.1,
  far = 10000;

var $chart = $('#chart');
var renderer = new THREE.WebGLRenderer();
var camera = new THREE.PerspectiveCamera(viewAngle, aspect, near, far);
var scene = new THREE.Scene();
scene.add(camera);

renderer.setSize(threeWidth, threeHeight);
$chart.append(renderer.domElement);

var geometry = new THREE.BoxGeometry( 10, 100, 10 );
var material = new THREE.MeshBasicMaterial( {color: 0xCC0000} );
var cube = new THREE.Mesh( geometry, material );
scene.add( cube );

Answer 1

这是相当古老的，但我偶然发现了这个......

var edges = new THREE.EdgesHelper( cube, 0x0000ff);
edges.material.linewidth = 2;
scene.add(edges);

Here's a fiddle that helped me。
EdgesHelper docs are here

Answer 2

自r81起，EdgesHelper已被弃用，赞成：

// edges geometry
var geometry = new THREE.EdgesGeometry( mesh.geometry ); // or WireframeGeometry
var material = new THREE.LineBasicMaterial( { color: 0xffff00, linewidth: 2 } );
var edges = new THREE.LineSegments( geometry, material );
mesh.add( edges ); // add wireframe as a child of the parent mesh

请参阅Github

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