fix: clipping plane intersections

src/core/three/discardClippingPlane.ts

@@ -0,0 +1,15 @@
+import { Material, Mesh, Object3D, Vector3 } from 'three';
+
+export function discardClippingPlane(object: Object3D, point: Vector3) {
+  if (
+    object instanceof Mesh &&
+    object.material instanceof Material &&
+    object.material.clippingPlanes !== null
+  ) {
+    return object.material.clippingPlanes.every(
+      (plane) => plane.distanceToPoint(point) < 0,
+    );
+  }
+
+  return false;
+}