ca.uwaterloo.epad.util

Class Tween

java.lang.Object

ca.uwaterloo.epad.util.Tween

public class Tween
extends java.lang.Object

This class provides simple tweening functionality useful for time-based animation.

Version:

1.0

Author:

Dmitry Pyryeskin

Constructor Summary

Constructors

Constructor and Description
Tween(int startValue, int endValue, int tweenLength) Create and start a tween.

Method Summary

Methods

Modifier and Type	Method and Description
float	getValue() Calculate the time-based tween value.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Tween

public Tween(int startValue,
     int endValue,
     int tweenLength)

Create and start a tween.

Parameters:

startValue - the initial value

endValue - the final value

tweenLength - the length of the tween

Method Detail

getValue

public float getValue()

Calculate the time-based tween value. For example, if you would like to tween a variable between 0 and 100 in 1000 milliseconds, than calling this method after 500 milliseconds will return 50. If you call this method after 2000 milliseconds, the final value (100) will be returned.

Returns:

the tweened value based on the current time