Android Open Source - AdoreLib Tween

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Back to project page AdoreLib.

License

The source code is released under:

MIT License

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Java Source Code

package com.ylinval.adore.adorelib.Libs.Tween;
/* www.  j a  v  a 2  s.  co m*/
/**
 * Created by jdourlens on 5/10/14.
 */
// Name took from tween.lua but not really related
public class Tween {

    protected int start;
    protected int end;
    protected int duration;
    protected int elapsed;
    protected boolean finished;

    public Tween(int start, int end, int duration)
    {
        this.start = start;
        this.end = end;
        this.duration = duration;
        this.elapsed = 0;
        this.finished = false;
    }

    // reset the elapsed time so we can make new transition
    public void reset()
    {
        this.elapsed = 0;
        this.finished = false;
    }

    public int update(int dt)
    {
        this.elapsed += dt;
        if (this.elapsed > duration)
            this.finished = true;
        else
        {
            return (compute());
        }
        return (end);
    }

    public int compute()
    {
        return (((this.end - this.start) * this.elapsed) / this.duration + this.start);
    }


    public boolean isFinished()
    {
        return (this.finished);
    }

    public int getStart() {
        return start;
    }

    public void setStart(int start) {
        this.start = start;
    }

    public int getEnd() {
        return end;
    }

    public void setEnd(int end) {
        this.end = end;
    }

    public int getDuration() {
        return duration;
    }

    public void setDuration(int duration) {
        this.duration = duration;
    }
}

Java Source Code List