destroyMaterials

Destroys all cached materials. NOT called automatically on destroy, which lets clients take ownership of the cache if desired.

Destroys all cached materials. NOT called automatically on destroy, which lets clients take ownership of the cache if desired.

Destroys all cached materials. NOT called automatically on destroy, which lets clients take ownership of the cache if desired.

Destroys all cached materials. NOT called automatically on destroy, which lets clients take ownership of the cache if desired.

Destroys all cached materials. NOT called automatically on destroy, which lets clients take ownership of the cache if desired.