1 files changed, 85 insertions, 0 deletions
diff --git a/slideshow/source/engine/animationnodes/animationphysicsnode.cxx b/slideshow/source/engine/animationnodes/animationphysicsnode.cxx
new file mode 100644
index 000000000..0502f35c1
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationphysicsnode.cxx
@@ -0,0 +1,85 @@
+/* -*- 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: */