Linear.java

package it.sephiroth.android.library.easing;

public class Linear implements Easing {

    public double easeNone(double time, double start, double end, double duration) {
        return end * time / duration + start;
    }

    @Override
    public double easeOut(double time, double start, double end, double duration) {
        return end * time / duration + start;
    }

    @Override
    public double easeIn(double time, double start, double end, double duration) {
        return end * time / duration + start;
    }

    @Override
    public double easeInOut(double time, double start, double end, double duration) {
        return end * time / duration + start;
    }

}