我有这个在两点之间创建一条线:
var geometry = new THREE.Geometry();
geometry.vertices.push(new THREE.Vector3(0, 0, 0));
geometry.vertices.push(new THREE.Vector3(20, 100, 55));
var line = new THREE.Line(geometry, material, parameters = { linewidth: 400 });
scene.add(line);
(线宽,没有任何影响。)
我的问题是如何将其转换为圆柱体?我想在两点之间创建一个圆柱体。
最佳答案
我遇到了完全相同的问题——在 WebGL 中,线宽始终为 1。所以这是我编写的一个函数,它将采用两个 Vector3 对象并生成一个圆柱网格:
var cylinderMesh = function( pointX, pointY )
{
// edge from X to Y
var direction = new THREE.Vector3().subVectors( pointY, pointX );
var arrow = new THREE.ArrowHelper( direction, pointX );
// cylinder: radiusAtTop, radiusAtBottom,
// height, radiusSegments, heightSegments
var edgeGeometry = new THREE.CylinderGeometry( 2, 2, direction.length(), 6, 4 );
var edge = new THREE.Mesh( edgeGeometry,
new THREE.MeshBasicMaterial( { color: 0x0000ff } ) );
edge.rotation = arrow.rotation.clone();
edge.position = new THREE.Vector3().addVectors( pointX, direction.multiplyScalar(0.5) );
return edge;
}
关于Three.js线向量到圆柱体?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15316127/