public void StartBlending()
    {
        // Getting the last ingredient in the blender. //
        Transform lastIngredient        = currentBlenderIngredients[currentBlenderIngredients.Count - 1];
        Colour    lastIngredientsColour = lastIngredient.GetComponent <Ingredient>().colour;

        Color newColour = colourManager.ConvertColour(lastIngredientsColour, 255);

        SetBlenderParticle(newColour);


        //blenderParticleMaterial.SetColor("_BaseColor", Color.green);


        currentBlenderState = BlenderState.BLENDING;
        SoundManager.SetSound(soundManager.blenderSource, soundManager.blendingSound, true);
        SoundManager.PlaySound(soundManager.blenderSource);


        // Activating the particles.
        blenderParticles.gameObject.SetActive(true);
    }