Example usage for com.badlogic.gdx.math Interpolation pow2Out

Introduction

In this page you can find the example usage for com.badlogic.gdx.math Interpolation pow2Out.

Prototype

PowOut pow2Out

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Usage

From source file:com.agateau.pixelwheels.sound.EngineSoundPlayer.java

License:Open Source License

public void play(float speed, float maxVolume) {
    mPitch = Interpolation.pow2Out.apply(MIN_PITCH, MAX_PITCH, speed);
    float idx = speed * (mSoundPlayers.size - 1);
    for (int i = 0; i < mSoundPlayers.size; ++i) {
        float di = Math.abs(i - idx);
        float volume = Math.max(1 - di, 0) * maxVolume;
        SoundPlayer player = mSoundPlayers.get(i);
        player.setVolume(volume);/* w  w w  . j  av  a  2s .  co  m*/
        player.setPitch(mPitch);
        if (volume > 0.01) {
            if (!player.isLooping()) {
                player.loop();
            }
        } else {
            player.stop();
        }
    }
}

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From source file:com.centergame.starttrack.graphics.actors.TabView.java

/**
 * Called when tab gets selected, after {@link #onTabUnselected}.
 * @param index index of selected tab/*from w  ww  .j  a va 2 s  . c  om*/
 * @param header tab's header
 * @param content tab's content
 */
public void onTabSelected(int index, Text header, Group content) {
    header.getStyle().fontColor = selectedTextColor;
    header.setStyle(header.getStyle());

    underline.addAction(Actions.parallel(Actions.moveTo(
            //                  header.getX() + header.getWidth() / 2 - header.getGlyphLayout().width / 2 - underlinePadding,
            header.getX(), headerHeight, 0.4f, Interpolation.pow2Out),
            Actions.sizeTo(
                    //header.getGlyphLayout().width + 2 * underlinePadding,
                    header.getWidth(), underline.getHeight(), 0.4f, Interpolation.pow2Out)));
}

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From source file:com.cyphercove.dayinspace.MusicManager.java

License:Apache License

public void update(float delta) {
    if (music1 != null) {
        if (fading) {
            fadeTime += delta;/*from w  w  w  .  j av a2s.com*/
            if (fadeTime > FADE_DURATION) {
                fading = false;
                stop(false);
                return;
            }
            float fadeAlpha = 1f - Interpolation.pow2Out.apply(fadeTime / FADE_DURATION);
            music1.setVolume(fadeAlpha);
        } else {
            music1.setVolume(1f);
        }
    }

    //cross fade
    if (nextTrack != null) {
        crossFadeTime += delta;
        float fadeAlpha = crossFadeTime / crossFadeDuration;
        if (fadeAlpha < 1f) {
            music1.setVolume(1f - fadeAlpha);
            music2.setVolume(fadeAlpha);
        } else {
            music1.stop();
            music1.dispose();
            music1 = music2;
            music2 = null;
            music1.setVolume(1);
            currentTrack = nextTrack;
            nextTrack = null;
        }
    }
}

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From source file:com.cyphercove.doublehelix.Particle.java

License:Apache License

private void updateCommon(float delta, boolean haveTouchVelocity, Vector3 touchPosition, Vector3 touchVelocity,
        float cameraDistance) {
    age += delta;/*from   w w  w . j a  va2 s.co m*/
    if (age < LIFE_FADE_TIME)
        ageFade = Interpolation.fade.apply(age / LIFE_FADE_TIME);
    else if (age > LIFE_FADE_OUT_TIME)
        ageFade = Interpolation.fade.apply((LIFE_TIME - age) / LIFE_FADE_TIME);
    else
        ageFade = 1;

    TMPV.set(center.x, center.y, 0);
    float distFromAccelerationCenter = TMPV.len() - RADIAL_ACCELERATION_MAX_CENTER;
    float radialAcceleration = RADIAL_ACCELERATION_MAX * (1F - Math.min(1f, Interpolation.fade
            .apply(Math.abs(distFromAccelerationCenter) / RADIAL_ACCELERATION_EFFECT_EXTENT)));
    TMPV.nor().rotate(Vector3.Z, 90f - (distFromAccelerationCenter * DEGREES_ACCLERATION_PER_DIST)); //motion direction
    TMPV.scl(radialAcceleration); //acceleration
    baseVelocity.add(TMPV.scl(delta)); //apply acceleration

    float dampenAmount = DAMPENING * baseVelocity.len() * delta;
    if (dampenAmount >= 1f)
        baseVelocity.set(0, 0, 0);
    else
        baseVelocity.add(TMPV.set(baseVelocity).scl(-dampenAmount));

    velocity.set(baseVelocity);

    if (haveTouchVelocity && cameraDistance <= TOUCH_CHECK_DISTANCE) {
        float dst = TMPV.set(center).sub(touchPosition).len();
        if (dst < TOUCH_INFLUENCE) {
            float mag = 1f - Math.min(1f, dst / TOUCH_INFLUENCE);
            if (mag > touchMagnitude) {
                touchMagnitude = mag;
                //float radialDst = distanceToAxis(center, touchPosition, touchVelocity);
                touchAge = 0;

                touchRotationVelocity.set(touchVelocity).scl(TOUCH_SPEED_RATIO * mag);
                touchRotationAxis.set(TMPV).crs(touchVelocity).nor();
            }
        }
    }

    if (touchMagnitude > 0) {
        touchAge += delta;

        if (touchAge > TOUCH_DAMPEN_TIME) {
            touchMagnitude = 0;
            TMPV.set(touchRotationVelocity).scl(0.5f);
            TMPV.rotate(touchRotationAxis, -45);
            baseVelocity.add(TMPV);
            velocity.set(baseVelocity);
        } else {
            float lerp = touchAge / TOUCH_DAMPEN_TIME;
            TMPV.set(touchRotationVelocity).scl(1f - 0.5f * Interpolation.pow2Out.apply(lerp));
            TMPV.rotate(touchRotationAxis, -Interpolation.pow3In.apply(lerp) * 45);
            velocity.add(TMPV);
        }
    }

    if (age >= LIFE_TIME) {
        center.set(originalCenter);
        age = 0;
    } else {
        center.add(TMPV.set(velocity).scl(delta));
    }
}

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From source file:com.idp.engine.ui.graphics.actors.IdpTextField.java

private void onFocus() {
    underline.addAction(Actions.sizeTo(textField.getWidth() + getUnderlineLeft() + getUnderlineRight(),
            underline.getHeight(), 0.4f, Interpolation.pow2Out));
}

---

From source file:com.idp.engine.ui.graphics.actors.IdpTextField.java

private void onBlur() {
    underline.addAction(Actions.sizeTo(0, underline.getHeight(), 0.4f, Interpolation.pow2Out));
}

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From source file:com.idp.engine.ui.graphics.actors.listview.ScrollBar.java

/**
 * Shows scroll bar.//  w w w .java2s . c  om
 * Alpha goes from 0 to normalAlpha.
 */
public void fadeIn() {
    if (state == FadeState.IN)
        return;
    state = FadeState.IN;
    clearActions();
    addAction(Actions.sequence(Actions.alpha(normalAlpha, fadeDuration, Interpolation.pow2Out),
            setFadeState(FadeState.NULL)));
}

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From source file:com.idp.engine.ui.graphics.actors.listview.ScrollBar.java

/**
 * Hides scroll bar.//w w  w. j a  v  a2 s. com
 * Alpha goes from normalAlpha to 0.
 */
public void fadeOut() {
    if (state == FadeState.OUT)
        return;
    if (state != FadeState.IN)
        clearActions();
    state = FadeState.OUT;
    addAction(Actions.sequence(Actions.delay(fadeDelay), Actions.alpha(0, fadeDuration, Interpolation.pow2Out),
            setFadeState(FadeState.NULL)));
}

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From source file:com.idp.engine.ui.graphics.actors.listview.ScrollBar.java

/**
 * Creates (but not adds it to the scrollbar) action that will fade out scrollbar after {@code fadeDelay} seconds.
 * @return newly created delayed fadeout action
 *//*from www .jav  a  2 s  .  com*/
Action delayedFadeOut() {
    return Actions.addAction(Actions.sequence(Actions.delay(fadeDelay), setFadeState(FadeState.OUT),
            Actions.alpha(0, fadeDuration, Interpolation.pow2Out), setFadeState(FadeState.NULL)), this);
}

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From source file:com.jmolina.orb.elements.Orb.java

License:Open Source License

/**
 * Ejecuta la animacion de salida/* w  w  w  .jav a2  s . c  o m*/
 *
 * @param toSuccess Callback de cambio a la pantalla de exito
 */
public void applyOutroAction(Runnable toSuccess) {
    getActor()
            .addAction(sequence(
                    parallel(rotateBy(1080, OUTRO_TIME, Interpolation.pow2Out),
                            scaleTo(4 * this.getNaturalScale(), 4 * this.getNaturalScale(), OUTRO_TIME,
                                    Interpolation.pow2),
                            fadeOut(OUTRO_TIME, Interpolation.pow2)),
                    run(toSuccess)));
}

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