Android Open Source - Android-Pulley-Menu Peek Interpolator

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Back to project page Android-Pulley-Menu.

License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCT...

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Java Source Code

package anshul.pulleymenu;
/*from  w ww.  ja  v  a 2 s .  c  o  m*/
import android.view.animation.Interpolator;

class PeekInterpolator implements Interpolator {

    private static final String TAG = "PeekInterpolator";

    private static final SinusoidalInterpolator SINUSOIDAL_INTERPOLATOR = new SinusoidalInterpolator();

    @Override
    public float getInterpolation(float input) {
        float result;

        if (input < 1.f / 3.f) {
            result = SINUSOIDAL_INTERPOLATOR.getInterpolation(input * 3);

        } else if (input > 2.f / 3.f) {
            final float val = ((input + 1.f / 3.f) - 1.f) * 3.f;
            result = 1.f - SINUSOIDAL_INTERPOLATOR.getInterpolation(val);

        } else {
            result = 1.f;
        }

        return result;
    }
}

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