/// <summary>
        /// Loads the object sprite sheet.
        /// </summary>
        public void LoadContent(String spriteSet)
        {
            // Load animated textures.
            idleAnimation = new Animation(Game.Content.Load<Texture2D>(spriteSet+"Idle"), 0.1f, true);
            hoverAnimation = new Animation(Game.Content.Load<Texture2D>(spriteSet + "Run"), 0.1f, true);
            clickAnimation = new Animation(Game.Content.Load<Texture2D>(spriteSet + "Die"), 0.1f, true);

            // Calculate bounds within texture size.
            int width = (int)(idleAnimation.FrameWidth * 0.4);
            int left = (idleAnimation.FrameWidth - width) / 2;
            int height = (int)(idleAnimation.FrameWidth * 0.8);
            int top = idleAnimation.FrameHeight - height;
            localBounds = new Rectangle(left, top, width, height);
        }
        /// <summary>
        /// Begins or continues playback of an animation.
        /// </summary>
        public void PlayAnimation(Animation animation)
        {
            // If this animation is already running, do not restart it.
            if (Animation == animation)
                return;

            // Start the new animation.
            this.animation = animation;
            this.frameIndex = 0;
            this.time = 0.0f;
        }
        /// <summary>
        /// Loads a particular enemy sprite sheet and sounds.
        /// </summary>
        public void LoadContent(string spriteSet)
        {
            // Load animations.
            spriteSet = "Sprites/" + spriteSet + "/";
            runAnimation = new Animation(Game.Content.Load<Texture2D>(spriteSet + "Run"), 0.1f, true);
            idleAnimation = new Animation(Game.Content.Load<Texture2D>(spriteSet + "Idle"), 0.15f, true);
            sprite.PlayAnimation(idleAnimation);

            // Calculate bounds within texture size.
            int width = (int)(idleAnimation.FrameWidth * 0.35);
            int left = (idleAnimation.FrameWidth - width) / 2;
            int height = (int)(idleAnimation.FrameWidth * 0.7);
            int top = idleAnimation.FrameHeight - height;
            localBounds = new Rectangle(left, top, width, height);
        }
        /// <summary>
        /// Loads the player sprite sheet and sounds.
        /// </summary>
        public void LoadContent()
        {
            // Load animated textures.
            idleAnimation = new Animation(Game.Content.Load<Texture2D>("Sprites/Player/Idle"), 0.1f, true);
            runAnimation = new Animation(Game.Content.Load<Texture2D>("Sprites/Player/Run"), 0.1f, true);
            celebrateAnimation = new Animation(Game.Content.Load<Texture2D>("Sprites/Player/Celebrate"), 0.1f, false);
            dieAnimation = new Animation(Game.Content.Load<Texture2D>("Sprites/Player/Die"), 0.1f, false);

            // Calculate bounds within texture size.
            int width = (int)(idleAnimation.FrameWidth * 0.4);
            int left = (idleAnimation.FrameWidth - width) / 2;
            int height = (int)(idleAnimation.FrameWidth * 0.8);
            int top = idleAnimation.FrameHeight - height;
            localBounds = new Rectangle(left, top, width, height);
        }