/**
 * Default min quantity of views.
 */
static final int MIN_QUANTITY = 3;

/**
 * Default max quantity of views.
 */
static final int MAX_QUANTITY = 12;

/**
 * Set diameter distortion, 1.0 = perfect circle
 */
static final float DIAMETER_SCALE = 0.4f;

/**
 * Rate to shrink objects as they appear further back in the depth field. Typical values 1.0,
 * linear, 2.0 twice as fast.
 */
static  final float DEPTH_SCALE = 0.8f;

/**
 * Tilt angle, negative lifts up back, positive lowers back.
 */
static float TILT = -0.3f;  

/**
 * Limit depth scale used to shrink far objects to not fall below this minimum scale.
 */
static final float MIN_SCALE = 0.4f;        

/**
 * Max velocity for scrolling.
 */
static final int MAX_SCROLLING_VELOCITY = 16000;

/**
 * Max scrolling distance.
 */
static final int MAX_SCROLLING_DISTANCE = 13;

/**
 * Duration in milliseconds from the start of a scroll during which we're
 * unsure whether the user is scrolling or flinging.
 */
static final int SCROLL_TO_FLING_UNCERTAINTY_TIMEOUT = 100;

/**
 * Duration in milliseconds from the start of animation to end.
 */
static final int ANIMATION_DURATION = 200;

/**
 * Default value for rotation scroll threshold.
 */
static final int SCROLLING_THRESHOLD = 150;

/**
 * Default min alpha value.
 */
static final int MIN_ALPHA = 30;  

/**
 * Defines default selected item.
 */
static final int DEFAULT_SELECTED_ITEM = 0;

/**
 * Configures size of items which are not in front.
 */
static final int CAROUSEL_ITEM_Z_POSITION = 1;

/**
 * Configures vertical shift of non-front items.
 */
static final float CAROUSEL_ITEM_Y_POSITION= 1.0f;