Hello I get some black parts on custom shapes created with BABYLON.MeshBuilder.ExtrudeShape
Here is my code (this.points is an array of Vector2):
if (!this._shapeInScene) {
let points: Array<BABYLON.Vector3>;
let path: Array<BABYLON.Vector3>;
let color: BABYLON.Color4;
//
points = new Array<BABYLON.Vector3>();
for (let p of this.points) {
points.push(new BABYLON.Vector3(p.x, p.y, this.plan.planCenter.y));
}
points.push(po