Example usage for com.badlogic.gdx.scenes.scene2d Group getChildren

Introduction

In this page you can find the example usage for com.badlogic.gdx.scenes.scene2d Group getChildren.

Prototype

public SnapshotArray<Actor> getChildren() 

Source Link

Document

Returns an ordered list of child actors in this group.

Usage

From source file:com.netthreads.libgdx.scene.SceneHelper.java

License:Apache License

/**
 * Find hit class.//from w  w  w. java  2  s  . c  o m
 *
 * @param x           Current x position.
 * @param y           Current y position
 * @param group       The starting Group.
 * @param targetClass The target class type.
 * @return The target or null if not found.
 */
@SuppressWarnings("rawtypes")
public static Actor hit(float x, float y, Group group, Class targetClass) {
    SnapshotArray<Actor> children = group.getChildren();

    Actor hit = null;
    boolean found = false;
    int index = children.size - 1;
    while (!found && index >= 0) {
        Actor child = children.get(index);

        if (child.getClass().isAssignableFrom(targetClass)) {
            point.x = x;
            point.y = y;

            group.localToDescendantCoordinates(child, point);

            if (child.hit(point.x, point.y, true) != null) {
                found = true;
                hit = child;
            } else if (child instanceof Group) {
                child = hit(x, y, (Group) child, targetClass);
            }
        }

        index--;
    }

    return hit;
}

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From source file:com.netthreads.libgdx.scene.SceneHelper.java

License:Apache License

/**
 * Look for intersection between two actors.
 * <p/>/*  ww w .java  2  s .  c o  m*/
 * I have defined this here as I can't extend the base classes Actor and Group.
 *
 * @param x           The x pos rectangle.
 * @param y           The y pos rectangle.
 * @param width       The rectangle width.
 * @param height      The rectangle height.
 * @param group       The group.
 * @param targetClass The target class.
 * @return Target class, null if no intersection.
 */
@SuppressWarnings("rawtypes")
public static Actor intersects(float x, float y, float width, float height, Group group, Class targetClass) {
    SnapshotArray<Actor> children = group.getChildren();

    Actor hit = null;
    int index = children.size - 1;
    while (hit == null && index >= 0) {
        Actor child = children.get(index);

        point.x = x;
        point.y = y;

        group.localToDescendantCoordinates(child, point);

        // If child is our target class then immediately check for
        // intersection
        if (child.getClass().equals(targetClass)) {
            if (isIntersect(point.x, point.y, width, height, 0, 0, child.getWidth(), child.getHeight())) {
                hit = child;
            }
        } else if (child instanceof Group) {
            hit = intersects(point.x, point.y, width, height, (Group) child, targetClass);
        }

        index--;
    }

    return hit;
}

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From source file:com.netthreads.libgdx.scene.SceneHelper.java

License:Apache License

/**
 * Look for target hit of specified class.
 *
 * @param x           Current x position.
 * @param y           Current y position
 * @param stage       The starting stage.
 * @param targetClass The target class type.
 * @return Target class or null if not found.
 */// w w  w . ja  v  a2  s  .  co m
@SuppressWarnings("rawtypes")
public static Actor hit(float x, float y, Stage stage, Class targetClass) {
    Group root = stage.getRoot();

    SnapshotArray<Actor> children = root.getChildren();

    Actor hit = null;
    boolean found = false;
    int index = children.size - 1;
    while (!found && index >= 0) {
        Actor child = children.get(index);

        point.x = x;
        point.y = y;

        root.localToDescendantCoordinates(child, point);

        Actor childHit = root.hit(point.x, point.y, true);

        if (childHit != null && childHit.getClass().isAssignableFrom(targetClass)) {
            found = true;
            hit = childHit;
        } else {
            index--;
        }
    }

    return hit;
}

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From source file:com.quadbits.gdxhelper.LWPStage.java

License:Apache License

private void disposeActors(Group group) {
    for (Actor actor : group.getChildren()) {
        if (actor instanceof Group) {
            disposeActors((Group) actor);
        } else if (actor instanceof Disposable) {
            ((Disposable) actor).dispose();
        }/*  w ww  .  j a va  2s.c o  m*/
    }
}

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From source file:com.quadbits.gdxhelper.screens.LWPScreen.java

License:Apache License

private long getMaxSleepTimeFromGroup(Group group) {
    long maxSleepTimeMillis = Long.MAX_VALUE;
    for (Actor actor : group.getChildren()) {
        if (!(actor instanceof NonContinuousRendering || actor instanceof Group)) {
            continue;
        }// ww  w. j a  va2s  .  co m

        long actorMaxSleepTime;
        if (actor instanceof Group) {
            actorMaxSleepTime = getMaxSleepTimeFromGroup((Group) actor);
        } else {
            actorMaxSleepTime = ((NonContinuousRendering) actor).getMaxSleepTime();
        }
        if (actorMaxSleepTime < maxSleepTimeMillis) {
            maxSleepTimeMillis = actorMaxSleepTime;
        }
    }

    return maxSleepTimeMillis;
}

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From source file:com.ridiculousRPG.ui.ActorFocusUtil.java

License:Apache License

public static boolean focusFirstChild(Group actorGrp, Stage stage) {
    Array<Actor> allActors = actorGrp.getChildren();
    for (int i = 0, len = allActors.size; i < len; i++) {
        Actor a = allActors.get(i);/*from   w  w w. ja v a 2 s. c om*/
        if (isFocusable(a))
            return focus(a, false, stage);
        if (a instanceof Group && focusFirstChild((Group) a, stage))
            return true;
    }
    return false;
}

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From source file:com.ridiculousRPG.ui.ActorFocusUtil.java

License:Apache License

public static boolean focusLastChild(Group actorGrp, Stage stage) {
    Array<Actor> allActors = actorGrp.getChildren();
    for (int i = allActors.size - 1; i > -1; i--) {
        Actor a = allActors.get(i);/*from  ww  w .ja  va  2 s. c  o m*/
        if (isFocusable(a))
            return focus(a, true, stage);
        if (a instanceof Group && focusLastChild((Group) a, stage))
            return true;
    }
    return false;
}

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From source file:es.eucm.ead.editor.control.MokapViews.java

License:Open Source License

protected boolean hideChildIfNeeded(Group parent) {
    SnapshotArray<Actor> children = parent.getChildren();
    for (int i = children.size - 1; i >= 0; --i) {
        Actor child = children.get(i);/*w ww.  ja v a2s .  c om*/
        if (child instanceof Group) {
            if (hideChildIfNeeded((Group) child)) {
                return true;
            } else if (child instanceof BackListener) {
                return ((BackListener) child).onBackPressed();
            }
        }
    }
    return false;
}

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From source file:es.eucm.ead.editor.view.builders.scene.groupeditor.GroupEditor.java

License:Open Source License

/**
 * Ungroups the given group in a list of actors. The resulting actors
 * accumulates the transformation of the group to keep its absolute
 * coordinates the same. The group is removed.
 *///from w  w  w  .  jav a  2 s . com
private Array<Actor> ungroup(Group group) {
    Group parent = group.getParent();
    Array<Actor> actors = new Array<Actor>();
    for (Actor actor : group.getChildren()) {
        EngineUtils.computeTransformFor(actor, parent);
        actors.add(actor);
    }

    for (Actor actor : actors) {
        parent.addActor(actor);
    }

    group.remove();
    fireUngroup(parent, group, actors);

    boolean multipleSelection = isMultipleSelection();
    setMultipleSelection(true);
    for (Actor a : actors) {
        addToSelection(a);
    }
    fireSelection();
    setMultipleSelection(multipleSelection);

    return actors;
}

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From source file:es.eucm.ead.editor.view.builders.scene.groupeditor.GroupEditor.java

License:Open Source License

/**
 * Changes the current edited group to the given one.
 * //  ww  w  . ja v a  2 s  . c  om
 * @param group
 *            must be a direct child of the current edited group. If not,
 *            nothing happens
 */
public void enterGroupEdition(Group group) {
    if (group != editedGroup && group != null && group.getChildren().size > 1
            && editedGroup.getChildren().contains(group, true)) {
        editedGroup = group;
        for (Actor actor : editedGroup.getParent().getChildren()) {
            // Make non-edited actors transparent
            if (actor != editedGroup) {
                Color c = actor.getColor();
                actor.setColor(c.r, c.g, c.b, c.a * ALPHA_FACTOR);
            }
        }

        for (Actor actor : editedGroup.getChildren()) {
            EngineUtils.computeTransformFor(actor, editedGroup.getParent());
        }
        editedGroup.setPosition(0, 0);
        editedGroup.setRotation(0);
        editedGroup.setScale(1.0f, 1.0f);

        clearSelection();
        fireSelection();
        fireEnteredGroupEdition(editedGroup);
    }
}

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