the index of the evaluation result is null and can not render on the scene?

[df-boy]

When I run const csgEvaluator = new Evaluator(); const brush1 = new Brush( new SphereGeometry() ); const brush2 = new Brush( new BoxGeometry() ); const result = csgEvaluator.evaluate( brush1, brush2, SUBTRACTION ); I get the result as: Brush {isObject3D: true, uuid: 'c1fc5563-40a2-4e58-b04b-c483ad04ae8c', name: '', type: 'Mesh', parent: null, …} animations: [] castShadow: false children : [] frustumCulled: true geometry: BufferGeometry attributes: {position: BufferAttribute, uv: BufferAttribute, normal: BufferAttribute} boundingBox: null boundingSphere: null boundsTree: null drawRange: {start: 0, count: 2916} groups: (7) [{…}, {…}, {…}, {…}, {…}, {…}, {…}] index: null isBufferGeometry: true morphAttributes: {} morphTargetsRelative: false name: "" type: "BufferGeometry" userData: {} uuid: "63cb9056-c602-4b80-873e-f8b2ba4f66ef" id: 5 [Prototype]: EventDispatcher isBrush: true isMesh: true isObject3D: true layers: Layers {mask: 1} material: (7) [MeshBasicMaterial, MeshBasicMaterial, MeshBasicMaterial, MeshBasicMaterial, MeshBasicMaterial, MeshBasicMaterial, MeshBasicMaterial] matrix: Matrix4 {elements: Array(16)} matrixAutoUpdate: true matrixWorld: Matrix4 {elements: Array(16)} matrixWorldAutoUpdate: true matrixWorldNeedsUpdate: false name: "" parent: null position: Vector3 {x: 0, y: 0, z: 0} quaternion: Quaternion {isQuaternion: true, _x: 0, _y: 0, _z: 0, _w: 1, …} receiveShadow: false renderOrder: 0 rotation: Euler {isEuler: true, _x: 0, _y: 0, _z: 0, _order: 'XYZ', …} scale: Vector3 {x: 1, y: 1, z: 1} type: "Mesh" up: Vector3 {x: 0, y: 1, z: 0} userData: {} uuid: "c1fc5563-40a2-4e58-b04b-c483ad04ae8c" visible: true _previousMatrix: Matrix4 {elements: Array(16)} id: 6 modelViewMatrix: Matrix4 {elements: Array(16)} normalMatrix: Matrix3 {elements: Array(9)}

The index is null and it can render nothing. Can anybody help me solve this problem?

[gkjohnson]

If you want help please put some effort into making a live example and formatting your code.

[df-boy]

Thank you and I have solved this problem by setting the index manually.