Examples with MotionImitator com.tumblr.backboard.imitator.MotionImitator used on opensource projects

Example 1 with MotionImitator

use of com.tumblr.backboard.imitator.MotionImitator in project Backboard by tumblr.

the class AppearFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mRootView = inflater.inflate(R.layout.fragment_appear, container, false);
    // grab the circles
    mCircles = new View[6];
    mCircles[0] = mRootView.findViewById(R.id.circle0);
    mCircles[1] = mRootView.findViewById(R.id.circle1);
    mCircles[2] = mRootView.findViewById(R.id.circle2);
    mCircles[3] = mRootView.findViewById(R.id.circle3);
    mCircles[4] = mRootView.findViewById(R.id.circle4);
    mCircles[5] = mRootView.findViewById(R.id.circle5);
    final SpringSystem springSystem = SpringSystem.create();
    final Spring[] springs = new Spring[6];
    final Actor[] actors = new Actor[6];
    // the selected view should move to heaven and the unselected ones should go to hell
    View.OnClickListener select = new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            Spring spring = (Spring) v.getTag();
            // get root location so we can compensate for it
            int[] rootLocation = new int[2];
            mRootView.getLocationInWindow(rootLocation);
            int[] location = new int[2];
            for (int i = 0; i < mCircles.length; i++) {
                actors[i].setTouchEnabled(false);
                for (Actor.Motion motion : actors[i].getMotions()) {
                    for (EventImitator imitator : motion.getImitators()) {
                        if (imitator instanceof MotionImitator) {
                            final MotionImitator motionImitator = (MotionImitator) imitator;
                            if (motionImitator.getProperty() == MotionProperty.Y) {
                            // TODO: disable the y-motion because it is about to be animated
                            // imitator.getSpring().deregister();
                            } else {
                                imitator.release(null);
                            }
                        }
                    }
                }
                mCircles[i].getLocationInWindow(location);
                if (springs[i] == spring) {
                    // goes to the top
                    springs[i].setEndValue(-location[1] + rootLocation[1] - v.getMeasuredHeight());
                } else {
                    // go back to the bottom
                    springs[i].setEndValue(mRootView.getMeasuredHeight() - location[1] + rootLocation[1] + 2 * Math.random() * mCircles[i].getMeasuredHeight());
                }
            }
        }
    };
    // attach listeners
    for (int i = 0; i < mCircles.length; i++) {
        springs[i] = springSystem.createSpring();
        springs[i].addListener(new Performer(mCircles[i], View.TRANSLATION_Y));
        mCircles[i].setTag(springs[i]);
        mCircles[i].setOnClickListener(select);
        actors[i] = new Actor.Builder(springSystem, mCircles[i]).addTranslateMotion(MotionProperty.X).addTranslateMotion(MotionProperty.Y).build();
    }
    mRootView.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // grab location of root view so we can compensate for it
            int[] rootLocation = new int[2];
            v.getLocationInWindow(rootLocation);
            int[] location = new int[2];
            for (int i = 0; i < mCircles.length; i++) {
                if (springs[i].getEndValue() == 0) {
                    // hide
                    mCircles[i].getLocationInWindow(location);
                    // if the end values are different, they will move at different speeds
                    springs[i].setEndValue(mRootView.getMeasuredHeight() - location[1] + rootLocation[1] + 2 * Math.random() * mCircles[i].getMeasuredHeight());
                } else {
                    actors[i].setTouchEnabled(true);
                    for (Actor.Motion motion : actors[i].getMotions()) {
                        for (EventImitator imitator : motion.getImitators()) {
                            if (imitator instanceof MotionImitator) {
                                final MotionImitator motionImitator = (MotionImitator) imitator;
                                imitator.getSpring().setCurrentValue(0);
                            // TODO: re-enable the y motion.
                            //									if (imitator.getProperty() == MotionProperty.Y &&
                            //											!imitator.getSpring().isRegistered()) {
                            //										imitator.getSpring().register();
                            //									}
                            }
                        }
                    }
                    // appear
                    springs[i].setEndValue(0);
                }
            }
        }
    });
    return mRootView;
}

Example 2 with MotionImitator

use of com.tumblr.backboard.imitator.MotionImitator in project Backboard by tumblr.

the class SnapFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    final View rootView = inflater.inflate(R.layout.fragment_snap, container, false);
    final View circle = rootView.findViewById(R.id.circle);
    new Actor.Builder(SpringSystem.create(), circle).addTranslateMotion(MotionProperty.Y).addMotion(new MotionImitator(MotionProperty.X) {

        @Override
        public void release(MotionEvent event) {
            // snap to left or right depending on current location
            if (mSpring.getCurrentValue() > rootView.getMeasuredWidth() / 2 - circle.getMeasuredWidth() / 2) {
                mSpring.setEndValue(rootView.getMeasuredWidth() - circle.getMeasuredWidth());
            } else {
                mSpring.setEndValue(0);
            }
        }
    }, View.TRANSLATION_X).build();
    return rootView;
}