# Yahoo! UI Library

### animation 2.2.2

Yahoo! UI Library > animation > YAHOO.util.Bezier

## Class YAHOO.util.Bezier

Used to calculate Bezier splines for any number of control points.

### Methods

#### getPosition

`Array getPosition ( points , t )`
Get the current position of the animated element based on t. Each point is an array of "x" and "y" values (0 = x, 1 = y) At least 2 points are required (start and end). First point is start. Last point is end. Additional control points are optional.

Parameters:
  `points <Array>` An array containing Bezier points
  `t <Number>` A number between 0 and 1 which is the basis for determining current position

Returns: `Array`
  An array containing int x and y member data

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