qabstractcollisionshape.cpp

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#include "qabstractcollisionshape_p.h"
 
#include <QtQml/QQmlListReference>
 
#include "qphysicsworld_p.h"
 
QT_BEGIN_NAMESPACE
 
/*!
    \qmltype CollisionShape
    \inherits Node
    \inqmlmodule QtQuick3D.Physics
    \since 6.4
    \brief Base type for collision shapes.
 
    This is the base type for all collision shapes. A collision shape
    is used to define the physical shape and extent of an object for the
    purposes of the physics simulation.
 
    \sa {Qt Quick 3D Physics Shapes and Bodies}{Shapes and Bodies overview documentation}
*/
 
/*!
    \qmlproperty bool CollisionShape::enableDebugDraw
    This property enables drawing the shape's debug view.
 
    Default value: \c{false}
*/
 
QAbstractCollisionShape::QAbstractCollisionShape(QQuick3DNode *parent) : QQuick3DNode(parent)
{
    connect(this, &QQuick3DNode::sceneScaleChanged, this,
            &QAbstractCollisionShape::handleScaleChange);
}
 
QAbstractCollisionShape::~QAbstractCollisionShape() = default;
 
bool QAbstractCollisionShape::enableDebugDraw() const
{
    return m_enableDebugDraw;
}
 
void QAbstractCollisionShape::setEnableDebugDraw(bool enableDebugDraw)
{
    if (m_enableDebugDraw == enableDebugDraw)
        return;
 
    if (auto world = QPhysicsWorld::getWorld(this); world != nullptr && enableDebugDraw)
        world->setHasIndividualDebugDraw();
 
    m_enableDebugDraw = enableDebugDraw;
    emit enableDebugDrawChanged(m_enableDebugDraw);
}
 
void QAbstractCollisionShape::handleScaleChange()
{
    auto newScale = sceneScale();
    if (!qFuzzyCompare(newScale, m_prevScale)) {
        m_prevScale = newScale;
        m_scaleDirty = true;
        emit needsRebuild(this); // TODO: remove signal argument?
    }
}
 
QT_END_NAMESPACE