Qt Quick 3D Physics - Joints Example | Qt Quick 3D Physics | Qt 6.12.0
Description: Demonstrates using joints in a physics scene.
Keywords: auto-generated

- Qt 6.12
- Qt Quick 3D Physics
- Qt Quick 3D Physics Examples and Tutorials
- Qt Quick 3D Physics - Joints Example
- Qt Quick 3D Physics | Commercial or GPLv3

# Qt Quick 3D Physics - Joints Example

     // Copyright (C) 2026 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
     import QtQuick
     import QtQuick3D
     import QtQuick3D.Physics
     import QtQuick3D.Physics.Helpers

     Node {
         id: root

         SphericalJoint {
             bodyB: shape0
             positionA: root.position
             positionB: Qt.vector3d(-20, 0, 0)
         }

         SphericalJoint {
             bodyA: shape0
             bodyB: shape1
             positionA: Qt.vector3d(20, 0, 0)
             positionB: Qt.vector3d(-20, 0, 0)
         }

         SphericalJoint {
             bodyA: shape1
             bodyB: shape2
             positionA: Qt.vector3d(20, 0, 0)
             positionB: Qt.vector3d(-20, 0, 0)
         }

         SphericalJoint {
             bodyA: shape2
             bodyB: shape3
             positionA: Qt.vector3d(20, 0, 0)
             positionB: Qt.vector3d(-20, 0, 0)
         }

         SphericalJoint {
             bodyA: shape3
             bodyB: shape4
             positionA: Qt.vector3d(20, 0, 0)
             positionB: Qt.vector3d(-20, 0, 0)
         }

         SphericalJoint {
             bodyA: shape4
             bodyB: shape5
             positionA: Qt.vector3d(20, 0, 0)
             positionB: Qt.vector3d(-20, 0, 0)
         }

         FixedJoint {
             bodyA: shape5
             bodyB: sphere
             positionA: Qt.vector3d(20, 0, 0)
             positionB: Qt.vector3d(0, 0, 0)
         }

         DynamicRigidBody {
             id: shape0
             position: Qt.vector3d(0, 0, 0)
             collisionShapes: CapsuleShape {
                 diameter: 10
                 height: 40
             }
             Model {
                 geometry: CapsuleGeometry {
                     diameter: 10
                     height: 40
                 }
                 materials: PrincipledMaterial {
                     baseColor: "blue"
                 }
             }
         }

         DynamicRigidBody {
             id: shape1
             position: Qt.vector3d(40, 0, 0)
             collisionShapes: CapsuleShape {
                 diameter: 10
                 height: 40
             }
             Model {
                 geometry: CapsuleGeometry {
                     diameter: 10
                     height: 40
                 }
                 materials: PrincipledMaterial {
                     baseColor: "blue"
                 }
             }
         }

         DynamicRigidBody {
             id: shape2
             position: Qt.vector3d(80, 0, 0)
             collisionShapes: CapsuleShape {
                 diameter: 10
                 height: 40
             }
             Model {
                 geometry: CapsuleGeometry {
                     diameter: 10
                     height: 40
                 }
                 materials: PrincipledMaterial {
                     baseColor: "blue"
                 }
             }
         }

         DynamicRigidBody {
             id: shape3
             position: Qt.vector3d(120, 0, 0)
             collisionShapes: CapsuleShape {
                 diameter: 10
                 height: 40
             }
             Model {
                 geometry: CapsuleGeometry {
                     diameter: 10
                     height: 40
                 }
                 materials: PrincipledMaterial {
                     baseColor: "blue"
                 }
             }
         }

         DynamicRigidBody {
             id: shape4
             position: Qt.vector3d(160, 0, 0)
             collisionShapes: CapsuleShape {
                 diameter: 10
                 height: 40
             }
             Model {
                 geometry: CapsuleGeometry {
                     diameter: 10
                     height: 40
                 }
                 materials: PrincipledMaterial {
                     baseColor: "blue"
                 }
             }
         }

         DynamicRigidBody {
             id: shape5
             position: Qt.vector3d(200, 0, 0)
             collisionShapes: CapsuleShape {
                 diameter: 10
                 height: 40
             }
             Model {
                 geometry: CapsuleGeometry {
                     diameter: 10
                     height: 40
                 }
                 materials: PrincipledMaterial {
                     baseColor: "blue"
                 }
             }
         }

         DynamicRigidBody {
             id: sphere
             position: Qt.vector3d(240, 0, 0)
             scale: Qt.vector3d(0.5, 0.5, 0.5)
             collisionShapes: SphereShape {}
             Model {
                 source: "#Sphere"
                 materials: PrincipledMaterial {
                     baseColor: "blue"
                 }
             }
         }
     }