/** * Retrieve Diffusion. * @return reverb diffusion ratio * @exception CapabilityNotSetException if appropriate capability is * not set and this object is part of live or compiled scene graph * @since Java 3D 1.3 */ public float getDiffusion() { if (isLiveOrCompiled()) if(!this.getCapability(ALLOW_DIFFUSION_READ)) throw new CapabilityNotSetException(J3dI18N.getString("AuralAttributes33")); return ((AuralAttributesRetained)this.retained).getDiffusion(); }