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- Qt 6.5
- Qt Quick 3D Physics
- Qt Quick 3D Physics Examples and Tutorials
- Qt Quick 3D Physics - CharacterController Example
- Qt Quick 3D Physics | Commercial or GPLv3

# Qt Quick 3D Physics - CharacterController Example

     // Copyright (C) 2023 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     import QtQuick
     import QtQuick3D
     import QtQuick3D.Helpers
     import QtQuick3D.Physics
     import QtQuick3D.Physics.Helpers as Helpers

     Window {
         width: 1280
         height: 720
         visible: true
         title: qsTr("Qt Quick 3D Physics - Character Controller")
         PhysicsWorld {
             id: physicsWorld
             running: true
             scene: viewport.scene
         }

         View3D {
             id: viewport
             anchors.fill: parent

             environment: SceneEnvironment {
                 clearColor: "#8090d0"
                 backgroundMode: SceneEnvironment.SkyBox
                 antialiasingMode: SceneEnvironment.MSAA
                 antialiasingQuality: SceneEnvironment.High
                 lightProbe: Texture {
                     textureData: ProceduralSkyTextureData {}
                 }
                 specularAAEnabled: true
             }

             DirectionalLight {
                 eulerRotation.x: -30
                 eulerRotation.y: -70
                 ambientColor: "#666"
                 brightness: 0.1
             }

             Building {
                 id: building
                 onTeleporterTriggered: character.teleportHome()
             }

             CharacterController {
                 id: character
                 property vector3d startPos: Qt.vector3d(800, 175, -850)
                 position: startPos
                 function teleportHome() {
                     character.teleport(character.startPos)
                     wasd.cameraRotation.x = 180
                 }

                 collisionShapes: CapsuleShape {
                     id: capsuleShape
                     diameter: 50
                     height: wasd.crouchActive ? 0 : 100
                     Behavior on height {
                         NumberAnimation { duration: 300 }
                     }
                 }
                 property real characterHeight: capsuleShape.height + capsuleShape.diameter

                 sendTriggerReports: true

                 movement: Qt.vector3d(wasd.sideSpeed, 0, wasd.forwardSpeed)
                 Behavior on movement {
                     PropertyAnimation { duration: 200 }
                 }

                 gravity: building.inGravityField ? Qt.vector3d(0, 100, 0) : physicsWorld.gravity

                 eulerRotation.y: wasd.cameraRotation.x
                 PerspectiveCamera {
                     id: camera
                     position: Qt.vector3d(0, character.characterHeight / 2 - 10, 0)
                     eulerRotation.x: wasd.cameraRotation.y
                     clipFar: 10000
                     clipNear: 10
                 }
             }
         }

         Wasd {
             id: wasd
             property real walkingSpeed: 500
             property real speedFactor: sprintActive ? 3 : crouchActive ? 0.3 : 1
             property real sideSpeed: (moveLeft ? -1 : moveRight ? 1 : 0) * walkingSpeed * speedFactor
             property real forwardSpeed: (moveForwards ? -1 : moveBackwards ? 1 : 0) * walkingSpeed * speedFactor
             cameraRotation.x: 180
         }
     }