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++ // Copyright (C) 2026 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ import QtQuick
++ import QtQuick3D
++ import QtQuick3D.Physics
++
++ // TestCube is a DynamicRigidBody with a "stable" property. Its rotation is locked so that it
++ // slides instead of tumbling, which makes the distance it travels depend on friction alone.
++
++ DynamicRigidBody {
++ property alias color: cubemat.baseColor
++ massMode: DynamicRigidBody.CustomDensity
++ density: 1000
++ angularAxisLock: DynamicRigidBody.LockX | DynamicRigidBody.LockY | DynamicRigidBody.LockZ
++ collisionShapes: BoxShape { extents: Qt.vector3d(1, 1, 1) }
++ Model {
++ source: "#Cube"
++ scale: Qt.vector3d(1, 1, 1).times(0.01)
++ eulerRotation: Qt.vector3d(0, 90, 0)
++ materials: PrincipledMaterial {
++ id: cubemat
++ baseColor: "red"
++ }
++ }
++ property bool stable: false
++ property vector3d prevPos: Qt.vector3d(9999, 9999, 9999)
++ property quaternion prevRot
++ function checkStable() {
++ if (position === prevPos && rotation === prevRot) {
++ stable = true
++ } else {
++ prevPos = position
++ prevRot = rotation
++ }
++ }
++ }