Imporoved pinching for 3d fractals

src/app/shared/rendering/canvas/babylon-canvas.component.ts

@@ -91,6 +91,7 @@ export class BabylonCanvas implements AfterViewInit, OnDestroy {
   private setup3dCamera(canvas: HTMLCanvasElement) {
     const cam = new ArcRotateCamera("Camera", 0, Math.PI / 2, 4, Vector3.Zero(), this.scene);
     cam.wheelPrecision = 100;
+    cam.pinchPrecision = 200;
     cam.minZ = 0.1;
     cam.maxZ = 100;
     cam.lowerRadiusLimit = 1.5;