/** * Converts the supplied point from coordinates relative to its parent * to coordinates relative to the specified layer. The results are stored * into {@code into}, which is returned for convenience. */ public static Point parentToLayer(Layer layer, IPoint point, Point into) { layer.transform().inverseTransform(point, into); into.x += layer.originX(); into.y += layer.originY(); return into; }
public Layer hitTest(GroupLayer self, Point point) { float x = point.x, y = point.y; boolean sawInteractiveChild = false; // we check back to front as children are ordered "lowest" first for (int ii = children.size()-1; ii >= 0; ii--) { L child = children.get(ii); if (!child.interactive()) continue; // ignore non-interactive children sawInteractiveChild = true; // note that we saw an interactive child if (!child.visible()) continue; // ignore invisible children try { // transform the point into the child's coordinate system child.transform().inverseTransform(point.set(x, y), point); point.x += child.originX(); point.y += child.originY(); Layer l = child.hitTest(point); if (l != null) return l; } catch (NoninvertibleTransformException nte) { // Degenerate transform means no hit continue; } } // if we saw no interactive children and we don't have listeners registered directly on this // group, clear our own interactive flag; this lazily deactivates this group after its // interactive children have been deactivated or removed if (!sawInteractiveChild && !((AbstractLayer)self).hasInteractors()) self.setInteractive(false); return null; }
/** * Gets the layer underneath the given screen coordinates, ignoring hit testers. This is * useful for inspecting the scene graph for debugging purposes, and is not intended for use * is shipped code. The layer returned is the one that has a size and is the deepest within * the graph and contains the coordinate. */ public static Layer.HasSize layerUnderPoint (float x, float y) { GroupLayer root = PlayN.graphics().rootLayer(); Point p = new Point(x, y); root.transform().inverseTransform(p, p); p.x += root.originX(); p.y += root.originY(); return layerUnderPoint(root, p); }
public void onTouchStart(Event.Impl[] touches) { if (!enabled) return; if (listener != null) listener.onTouchStart(touches); GroupLayer root = PlayN.graphics().rootLayer(); if (root.interactive()) { for (Event.Impl event : touches) { Point p = new Point(event.x(), event.y()); root.transform().inverseTransform(p, p); p.x += root.originX(); p.y += root.originY(); AbstractLayer hitLayer = (AbstractLayer)root.hitTest(p); if (hitLayer != null) { activeLayers.put(event.id(), hitLayer); dispatcher.dispatch(hitLayer, LayerListener.class, event, START); } } } }
try { child.transform().inverseTransform(pt.set(x, y), pt); pt.x += child.originX(); pt.y += child.originY();
protected boolean onPointerStart(Event.Impl event, boolean preventDefault) { if (!enabled) return preventDefault; event.flags().setPreventDefault(preventDefault); if (listener != null) { listener.onPointerStart(event); } GroupLayer root = PlayN.graphics().rootLayer(); if (root.interactive()) { Point p = new Point(event.x(), event.y()); root.transform().inverseTransform(p, p); p.x += root.originX(); p.y += root.originY(); active.layer = (AbstractLayer)root.hitTest(p); if (active.layer != null) { event.captureState = active; dispatcher.dispatch(Listener.class, event, START, CANCEL); } } return event.flags().getPreventDefault(); }
protected boolean onMouseDown(ButtonEvent.Impl event) { if (!enabled) return false; event.flags().setPreventDefault(false); if (listener != null) { listener.onMouseDown(event); } GroupLayer root = PlayN.graphics().rootLayer(); if (root.interactive()) { Point p = new Point(event.x(), event.y()); root.transform().inverseTransform(p, p); p.x += root.originX(); p.y += root.originY(); activeLayer = (AbstractLayer)root.hitTest(p); if (activeLayer != null) { dispatcher.dispatch(activeLayer, LayerListener.class, event, DOWN); } } return event.flags().getPreventDefault(); }
if (root.interactive()) { Point p = new Point(event.x(), event.y()); root.transform().inverseTransform(p, p); p.x += root.originX(); p.y += root.originY();