Examples with Interpolation com.badlogic.gdx.math.Interpolation used on opensource projects

Example 1 with Interpolation

use of com.badlogic.gdx.math.Interpolation in project libgdx by libgdx.

the class InterpolationTest method create.

@Override
public void create() {
    Gdx.gl.glClearColor(.3f, .3f, .3f, 1);
    renderer = new ShapeRenderer();
    skin = new Skin(Gdx.files.internal("data/uiskin.json"));
    stage = new Stage(new ScreenViewport());
    resetPositions();
    Field[] interpolationFields = ClassReflection.getFields(Interpolation.class);
    // see how many fields are actually interpolations (for safety; other fields may be added with future)
    int interpolationMembers = 0;
    for (int i = 0; i < interpolationFields.length; i++) if (ClassReflection.isAssignableFrom(Interpolation.class, interpolationFields[i].getDeclaringClass()))
        interpolationMembers++;
    // get interpolation names
    interpolationNames = new String[interpolationMembers];
    for (int i = 0; i < interpolationFields.length; i++) if (ClassReflection.isAssignableFrom(Interpolation.class, interpolationFields[i].getDeclaringClass()))
        interpolationNames[i] = interpolationFields[i].getName();
    selectedInterpolation = interpolationNames[0];
    list = new List(skin);
    list.setItems(interpolationNames);
    list.addListener(new ChangeListener() {

        public void changed(ChangeEvent event, Actor actor) {
            selectedInterpolation = list.getSelected();
            time = 0;
            resetPositions();
        }
    });
    ScrollPane scroll = new ScrollPane(list, skin);
    scroll.setFadeScrollBars(false);
    scroll.setScrollingDisabled(true, false);
    table = new Table();
    table.setFillParent(true);
    table.add(scroll).expandX().left().width(100);
    stage.addActor(table);
    Gdx.input.setInputProcessor(new InputMultiplexer(new InputAdapter() {

        public boolean scrolled(int amount) {
            if (!Gdx.input.isKeyPressed(Keys.CONTROL_LEFT))
                return false;
            duration -= amount / 15f;
            duration = MathUtils.clamp(duration, 0, Float.POSITIVE_INFINITY);
            return true;
        }
    }, stage, new InputAdapter() {

        public boolean touchDown(int screenX, int screenY, int pointer, int button) {
            if (// if "walking" was interrupted by this touch down event
            !Float.isNaN(time))
                // set startPosition to the current position
                startPosition.set(getPosition(time));
            targetPosition.set(stage.screenToStageCoordinates(targetPosition.set(screenX, screenY)));
            time = 0;
            return true;
        }
    }));
}

Example 2 with Interpolation

use of com.badlogic.gdx.math.Interpolation in project libgdx by libgdx.

the class InterpolationTest method render.

public void render() {
    Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
    float bottomLeftX = Gdx.graphics.getWidth() / 2 - graphSize / 2, bottomLeftY = Gdx.graphics.getHeight() / 2 - graphSize / 2;
    // only show up to two decimals
    String text = String.valueOf(duration);
    if (text.length() > 4)
        text = text.substring(0, text.lastIndexOf('.') + 3);
    text = "duration: " + text + " s (ctrl + scroll to change)";
    stage.getBatch().begin();
    list.getStyle().font.draw(stage.getBatch(), text, bottomLeftX + graphSize / 2, bottomLeftY + graphSize + list.getStyle().font.getLineHeight(), 0, Align.center, false);
    stage.getBatch().end();
    renderer.begin(ShapeType.Line);
    // graph bounds
    renderer.rect(bottomLeftX, bottomLeftY, graphSize, graphSize);
    float lastX = bottomLeftX, lastY = bottomLeftY;
    for (float step = 0; step <= steps; step++) {
        Interpolation interpolation = getInterpolation(selectedInterpolation);
        float percent = step / steps;
        float x = bottomLeftX + graphSize * percent, y = bottomLeftY + graphSize * interpolation.apply(percent);
        renderer.line(lastX, lastY, x, y);
        lastX = x;
        lastY = y;
    }
    time += Gdx.graphics.getDeltaTime();
    if (time > duration) {
        // stop "walking"
        time = Float.NaN;
        // set startPosition to targetPosition for next click
        startPosition.set(targetPosition);
    }
    // draw time marker
    renderer.line(bottomLeftX + graphSize * time / duration, bottomLeftY, bottomLeftX + graphSize * time / duration, bottomLeftY + graphSize);
    // draw path
    renderer.setColor(Color.GRAY);
    renderer.line(startPosition, targetPosition);
    renderer.setColor(Color.WHITE);
    renderer.end();
    // draw the position
    renderer.begin(ShapeType.Filled);
    if (// don't mess up position if time is NaN
    !Float.isNaN(time))
        getPosition(time);
    renderer.circle(position.x, position.y, 7);
    renderer.end();
    stage.act();
    stage.draw();
}

Example 3 with Interpolation

use of com.badlogic.gdx.math.Interpolation in project Mindustry by Anuken.

the class PlacementFragment method toggle.

private void toggle(boolean show) {
    float dur = 0.3f;
    Interpolation in = Interpolation.pow3Out;
    if (breaktable.getActions().size != 0 || shown == show)
        return;
    breaktable.getParent().swapActor(breaktable, next);
    if (!show) {
        control.input().breakMode = PlaceMode.none;
        if (control.input().placeMode.delete)
            control.input().placeMode = PlaceMode.none;
        breaktable.actions(Actions.translateBy(-breaktable.getWidth() - 5, 0, dur, in), Actions.call(() -> shown = false));
    } else {
        shown = true;
        breaktable.actions(Actions.translateBy(-breaktable.getTranslation().x - 5, 0, dur, in));
    }
}

Example 4 with Interpolation

use of com.badlogic.gdx.math.Interpolation in project Mindustry by Anuken.

the class Shield method update.

@Override
public void update() {
    float alpha = 0.1f;
    Interpolation interp = Interpolation.fade;
    if (active) {
        uptime = interp.apply(uptime, 1f, alpha * Timers.delta());
    } else {
        uptime = interp.apply(uptime, 0f, alpha * Timers.delta());
        if (uptime <= 0.05f)
            remove();
    }
    uptime = Mathf.clamp(uptime);
    if (!(tile.block() instanceof ShieldBlock)) {
        remove();
        return;
    }
    ShieldBlock block = (ShieldBlock) tile.block();
    Entities.getNearby(bulletGroup, x, y, block.shieldRadius * 2 * uptime + 10, entity -> {
        BulletEntity bullet = (BulletEntity) entity;
        if ((bullet.owner instanceof Enemy || hitPlayers)) {
            float dst = entity.distanceTo(this);
            if (dst < drawRadius() / 2f) {
                ((ShieldBlock) tile.block()).handleBullet(tile, bullet);
            }
        }
    });
}

Example 5 with Interpolation

use of com.badlogic.gdx.math.Interpolation in project Mindustry by Anuken.

the class HudFragment method build.

public void build() {
    // menu at top left
    new table() {

        {
            atop();
            aleft();
            new table() {

                {
                    new table() {

                        {
                            left();
                            float dsize = 58;
                            defaults().size(dsize).left();
                            float isize = 40;
                            menu = new imagebutton("icon-menu", isize, ui.paused::show).get();
                            flip = new imagebutton("icon-arrow-up", isize, () -> {
                                if (wavetable.getActions().size != 0)
                                    return;
                                float dur = 0.3f;
                                Interpolation in = Interpolation.pow3Out;
                                flip.getStyle().imageUp = Core.skin.getDrawable(shown ? "icon-arrow-down" : "icon-arrow-up");
                                if (shown) {
                                    blockfrag.toggle(false, dur, in);
                                    wavetable.actions(Actions.translateBy(0, wavetable.getHeight() + dsize, dur, in), Actions.call(() -> shown = false));
                                    infolabel.actions(Actions.translateBy(0, wavetable.getHeight(), dur, in), Actions.call(() -> shown = false));
                                } else {
                                    shown = true;
                                    blockfrag.toggle(true, dur, in);
                                    wavetable.actions(Actions.translateBy(0, -wavetable.getTranslation().y, dur, in));
                                    infolabel.actions(Actions.translateBy(0, -infolabel.getTranslation().y, dur, in));
                                }
                            }).get();
                            new imagebutton("icon-pause", isize, () -> {
                                if (android)
                                    DebugFragment.printDebugInfo();
                                if (Net.active() && android) {
                                    ui.listfrag.visible = !ui.listfrag.visible;
                                } else {
                                    state.set(state.is(State.paused) ? State.playing : State.paused);
                                }
                            }).update(i -> {
                                if (Net.active() && android) {
                                    i.getStyle().imageUp = Core.skin.getDrawable("icon-players");
                                } else {
                                    i.setDisabled(Net.active());
                                    i.getStyle().imageUp = Core.skin.getDrawable(state.is(State.paused) ? "icon-play" : "icon-pause");
                                }
                            }).get();
                            new imagebutton("icon-settings", isize, () -> {
                                if (Net.active() && android) {
                                    if (ui.chatfrag.chatOpen()) {
                                        ui.chatfrag.hide();
                                    } else {
                                        ui.chatfrag.toggle();
                                    }
                                } else {
                                    ui.settings.show();
                                }
                            }).update(i -> {
                                if (Net.active() && android) {
                                    i.getStyle().imageUp = Core.skin.getDrawable("icon-chat");
                                } else {
                                    i.getStyle().imageUp = Core.skin.getDrawable("icon-settings");
                                }
                            }).get();
                        }
                    }.end();
                    row();
                    new table() {

                        {
                            touchable(Touchable.enabled);
                            visible(() -> shown);
                            addWaveTable();
                        }
                    }.fillX().end();
                    row();
                    visible(() -> !state.is(State.menu));
                    infolabel = new Label(() -> (Settings.getBool("fps") ? (Gdx.graphics.getFramesPerSecond() + " FPS") + (threads.isEnabled() ? " / " + threads.getFPS() + " TPS" : "") + (Net.client() && !gwt ? "\nPing: " + Net.getPing() : "") : ""));
                    row();
                    add(infolabel).size(-1);
                }
            }.end();
        }
    }.end();
    // tutorial ui table
    new table() {

        {
            control.tutorial().buildUI(this);
            visible(() -> control.tutorial().active());
        }
    }.end();
    // paused table
    new table() {

        {
            visible(() -> state.is(State.paused) && !Net.active());
            atop();
            new table("pane") {

                {
                    new label("[orange]< " + Bundles.get("text.paused") + " >").scale(0.75f).pad(6);
                }
            }.end();
        }
    }.end();
    // respawn background table
    new table("white") {

        {
            respawntable = get();
            respawntable.setColor(Color.CLEAR);
            update(t -> {
                if (state.is(State.menu)) {
                    respawntable.setColor(Color.CLEAR);
                }
            });
        }
    }.end();
    // respawn table
    new table() {

        {
            new table("pane") {

                {
                    new label(() -> "[orange]" + Bundles.get("text.respawn") + " " + (int) (control.getRespawnTime() / 60)).scale(0.75f).pad(10);
                    visible(() -> control.getRespawnTime() > 0 && !state.is(State.menu));
                }
            }.end();
        }
    }.end();
    new table() {

        {
            abottom();
            visible(() -> !state.is(State.menu) && control.getSaves().isSaving());
            new label("$text.saveload");
        }
    }.end();
    blockfrag.build();
}