animationphysicsnode.cxx

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#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
 
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