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diff --git a/slideshow/source/engine/animationnodes/animationphysicsnode.cxx b/slideshow/source/engine/animationnodes/animationphysicsnode.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "animationphysicsnode.hxx"
+#include <animationfactory.hxx>
+
+constexpr double fDefaultStartVelocityX(0.0);
+constexpr double fDefaultStartVelocityY(0.0);
+constexpr double fDefaultDensity(1.0);
+constexpr double fDefaultBounciness(0.1);
+
+namespace slideshow::internal
+{
+void AnimationPhysicsNode::dispose()
+{
+ mxPhysicsMotionNode.clear();
+ AnimationBaseNode::dispose();
+}
+
+AnimationActivitySharedPtr AnimationPhysicsNode::createActivity() const
+{
+ double fDuration(0.0);
+ ENSURE_OR_THROW((mxPhysicsMotionNode->getDuration() >>= fDuration),
+ "Couldn't get the animation duration.");
+
+ ::css::uno::Any aTemp;
+ double fStartVelocityX = fDefaultStartVelocityX;
+ aTemp = mxPhysicsMotionNode->getStartVelocityX();
+ if (aTemp.hasValue())
+ aTemp >>= fStartVelocityX;
+
+ double fStartVelocityY = fDefaultStartVelocityY;
+ aTemp = mxPhysicsMotionNode->getStartVelocityY();
+ if (aTemp.hasValue())
+ aTemp >>= fStartVelocityY;
+
+ double fDensity = fDefaultDensity;
+ aTemp = mxPhysicsMotionNode->getDensity();
+ if (aTemp.hasValue())
+ {
+ aTemp >>= fDensity;
+ fDensity = (fDensity < 0.0) ? 0.0 : fDensity;
+ }
+
+ double fBounciness = fDefaultBounciness;
+ aTemp = mxPhysicsMotionNode->getBounciness();
+ if (aTemp.hasValue())
+ {
+ aTemp >>= fBounciness;
+ fBounciness = std::clamp(fBounciness, 0.0, 1.0);
+ }
+
+ ActivitiesFactory::CommonParameters const aParms(fillCommonParameters());
+ return ActivitiesFactory::createSimpleActivity(
+ aParms,
+ AnimationFactory::createPhysicsAnimation(
+ getContext().mpBox2DWorld, fDuration, getContext().mpSubsettableShapeManager,
+ getSlideSize(), { fStartVelocityX, fStartVelocityY }, fDensity, fBounciness, 0),
+ true);
+}
+
+bool AnimationPhysicsNode::enqueueActivity() const
+{
+ return getContext().mrActivitiesQueue.addTailActivity(mpActivity);
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */