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购物网站开发和运行环境,网站cms分站系统,网站做系统叫什么软件吗,昆明网络推广怎么做目前使用的版本 v5.14.0 模块导入使用QML 3D时需要 import Qt3D.Core 2.14 核心模块类 V6以上的版本已经发布#xff0c;所以有很多module会发生变化#xff0c;主要有核心module、输入、逻辑、渲染、动画和扩展module#xff0c;以及2D/3D场景模块类名能…目前使用的版本 v5.14.0 模块导入使用QML 3D时需要 import Qt3D.Core 2.14 核心模块类 V6以上的版本已经发布所以有很多module会发生变化主要有核心module、输入、逻辑、渲染、动画和扩展module以及2D/3D场景模块类名能力 View3D 为绘制3D数据提供了在2D场景中显示的窗口 OrbitCameraController 按照轨道路线来控制场景相机 QAbstractAnimation 3D动画的顶层root类派生的动画类提供了动画效果能力学习路线 3d效果中离不开动画所以要想学好3d部分需要将动画部分也掌握。然后再从最基础的3d理论知识入门 Demo 官方给出了很多例子可以根据官方demo进行由浅入深的学习。地址在source code中SourceCode Root Path/qt3d/ 此外网络上还提供了不少入门的demo从较小的纬度基础的加载3d资源、鼠标处理等操作提供了演示操作下面是收集来的各种操作集合。 1、加载3D模型资源将.obj文件转换成.mesh类型文件 import QtQuick 2.15 import QtQuick.Window 2.15 import QtQuick3D 1.15Window {width: 640height: 480visible: truetitle: qsTr(Hello World)View3D {id: view3Danchors.fill: parentenvironment: sceneEnvironmentSceneEnvironment {id: sceneEnvironmentantialiasingQuality: SceneEnvironment.HighantialiasingMode: SceneEnvironment.MSAA}Node {id: nodeDirectionalLight {id: directionalLight}PerspectiveCamera {id: cameraz: 15}Model {id: cubeModelsource: test.meshDefaultMaterial {id: cubeMaterialdiffuseColor: #4aee45}materials: cubeMaterial}}} } 2、鼠标控制场景缩放和旋转 import QtQuick 2.15 import QtQuick.Window 2.15 import QtQuick3D 1.15Window {width: 640height: 480visible: truetitle: qsTr(Hello World)View3D {id: view3Danchors.fill: parentenvironment: sceneEnvironmentSceneEnvironment {id: sceneEnvironmentantialiasingQuality: SceneEnvironment.HighantialiasingMode: SceneEnvironment.MSAA}MouseArea{id:mouseanchors.fill: parentproperty int cx: 0property int cy: 0onWheel: {if(wheel.angleDelta.y0)camera.z camera.z5elsecamera.z camera.z-5}onPressed: {cx mouse.xcy mouse.y}onPositionChanged: {var intervalX mouse.x-cxvar intervalY mouse.y-cycameraNode.eulerRotation.y intervalXcameraNode.eulerRotation.ycameraNode.eulerRotation.x cameraNode.eulerRotation.x-intervalYcx mouse.xcy mouse.y}}Node {id: nodeDirectionalLight {id: directionalLight}Model {id: cubeModelsource: test.meshDefaultMaterial {id: cubeMaterialdiffuseColor: #4aee45}materials: cubeMaterial}}Node{id:cameraNodePerspectiveCamera {id: cameraz: 15}}} } 3、设置模型的金属光泽材质 import QtQuick 2.15 import QtQuick.Window 2.15 import QtQuick3D 1.15Window {width: 640height: 480visible: truetitle: qsTr(Hello World)View3D {id: view3Danchors.fill: parentenvironment: sceneEnvironmentSceneEnvironment {id: sceneEnvironmentantialiasingQuality: SceneEnvironment.HighantialiasingMode: SceneEnvironment.MSAA}MouseArea{id:mouseanchors.fill: parentproperty int cx: 0property int cy: 0onWheel: {if(wheel.angleDelta.y0)camera.z camera.z5elsecamera.z camera.z-5}onPressed: {cx mouse.xcy mouse.y}onPositionChanged: {var intervalX mouse.x-cxvar intervalY mouse.y-cycameraNode.eulerRotation.y intervalXcameraNode.eulerRotation.ycameraNode.eulerRotation.x cameraNode.eulerRotation.x-intervalYcx mouse.xcy mouse.y}}Node {id: nodeDirectionalLight {id: directionalLight}Model {id: cubeModelsource: test.meshmaterials: PrincipledMaterial {id: cubeMaterialbaseColor: #e9d805roughness: 0.4metalness: 0.8}}}Node{id:cameraNodePerspectiveCamera {id: cameraz: 15}}} } 4、使用2d的动画类来操作3d模型 import QtQuick 2.15 import QtQuick.Window 2.15 import QtQuick3D 1.15Window {width: 640height: 480visible: truetitle: qsTr(Hello Qt Quick 3D)View3D {id: view3Danchors.fill: parentenvironment: sceneEnvironmentSceneEnvironment {id: sceneEnvironmentantialiasingQuality: SceneEnvironment.HighantialiasingMode: SceneEnvironment.MSAA}Node {id: nodeDirectionalLight {id: directionalLight}Model {id: cubeModelsource: test.meshDefaultMaterial {id: cubeMaterialdiffuseColor: #4aee45}materials: cubeMaterial}}Node{id:cameraNodePerspectiveCamera {id: cameraz: 15}NumberAnimation {id:camerAnimationtarget: cameraNodeproperty: eulerRotation.yduration: 5000from: 0to: -360loops: Animation.Infiniterunning: true}}} } 5、综合性的显示3D模型材质颜色、动画以及鼠标缩放等如果需要自定义背景图片时需要设置View3D的背景色为透明方法在上面链接中 import QtQuick 2.15 import QtQuick.Window 2.15 import QtQuick3D 1.15Window {width: 480height: 450visible: truetitle: qsTr(Hello Qt Quick 3D)color: #00192eImage{opacity: 0.3anchors.fill: parentsource: qrc:/bg1.pngfillMode: Image.PreserveAspectCrop}View3D {id: view3Danchors.fill: parentenvironment: SceneEnvironment {id: sceneEnvironment//需要设置3D视图背景透明backgroundMode: SceneEnvironment.TransparentclearColor: transparentantialiasingQuality: SceneEnvironment.HighantialiasingMode: SceneEnvironment.MSAA}MouseArea{id:mouseanchors.fill: parentproperty int cx: 0property int cy: 0onWheel: {if(wheel.angleDelta.y0)cameraPerspective.z cameraPerspective.z5elsecameraPerspective.z cameraPerspective.z-5}onPressed: {camerAnimation.pause()cx mouse.xcy mouse.y}onReleased: {camerAnimation.resume()}onPositionChanged: {var intervalX mouse.x-cxvar intervalY mouse.y-cycameraNode.eulerRotation.y intervalXcameraNode.eulerRotation.ycameraNode.eulerRotation.x cameraNode.eulerRotation.x-intervalYcx mouse.xcy mouse.y}}Node {id: sceneDirectionalLight {x: 56eulerRotation.y: 90ambientColor: #1c1a17brightness: 163}Node {id: rootNodescale:Qt.vector3d(0.1,0.1,0.1)Node {x: 12.4775y: 36.2141z: 10.5153eulerRotation.x: 180eulerRotation.y: 32.0597eulerRotation.z: -180Model {x: 121.16y: -17.21z: 86.29eulerRotation.x: 180eulerRotation.y: -32.0597eulerRotation.z: -180source: meshes/Plane.meshmaterials: PrincipledMaterial {baseColor: #a0a2a3roughness: 0.6metalness: 0.5}}}PointLight {x: 80.1709y: 382.888z: -150.021eulerRotation.x: -69.997eulerRotation.y: 59.9021eulerRotation.z: -180color: #fffff5e1}PointLight {x: -305.432y: 199.762z: 163.037eulerRotation.x: 173eulerRotation.y: -59.9035color: #ffecf9ff}PointLight {x: 238.189y: 380.379z: 252.482eulerRotation.x: 138.592eulerRotation.y: 36.109color: #ff3b5966}}Node{id:cameraNodeeulerRotation.x: -20eulerRotation.y: 120PerspectiveCamera {id: cameraPerspectivey: 5clipNear: 0.1fieldOfView: 50z:90clipFar: 800}NumberAnimation {id:camerAnimationtarget: cameraNodeproperty: eulerRotation.yduration: 5000from: 0to: 360loops: Animation.Infiniterunning: true}}}Text {text: qsTr(鼠标左键旋转鼠标滚轮缩放)anchors.right: parent.rightanchors.bottom: parent.bottomfont.pointSize: 12font.bold: trueanchors.rightMargin: 10anchors.bottomMargin: 10font.family: 微软雅黑color:ghostwhite}} } 基本元素三维坐标两个坐标连接起来就是北面墙。什么意思?想象一下其中一个坐标是东北方的下墙角以墙角为原点往南是X轴往上是Y轴往西是Z轴。另一个坐标是西北方的下墙角还是以墙角为原点往南是X轴往上是Y轴往东是Z轴。两个坐标系相互延伸、连接起来就是一面北墙。坐标旋转方向半握右手大拇指朝上从手背到四指的延伸方向就是坐标轴旋转方向
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