Qt Quick 3D - 灯光范例

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import QtQuick
import QtQuick3D
import QtQuick.Controls
Window {
    width: 1280
    height: 720
    visible: true
    title: qsTr("Lights Example")
    View3D {
        anchors.fill: parent
        environment: SceneEnvironment {
            clearColor: "#808080"
            backgroundMode: SceneEnvironment.Color
            antialiasingMode: SceneEnvironment.MSAA
            antialiasingQuality: SceneEnvironment.High
        }
        PerspectiveCamera {
            position: Qt.vector3d(0, 400, 600)
            eulerRotation.x: -30
            clipFar: 2000
        }
        DirectionalLight {
            id: light1
            color: Qt.rgba(1.0, 0.1, 0.1, 1.0)
            ambientColor: Qt.rgba(0.1, 0.1, 0.1, 1.0)
            position: Qt.vector3d(0, 200, 0)
            rotation: Quaternion.fromEulerAngles(-135, -90, 0)
            shadowMapQuality: Light.ShadowMapQualityHigh
            visible: checkBox1.checked
            castsShadow: checkBoxShadows.checked
            brightness: slider1.sliderValue
            SequentialAnimation on rotation {
                loops: Animation.Infinite
                QuaternionAnimation {
                    to: Quaternion.fromEulerAngles(-45, -90, 0)
                    duration: 2000
                    easing.type: Easing.InOutQuad
                }
                QuaternionAnimation {
                    to: Quaternion.fromEulerAngles(-135, -90, 0)
                    duration: 2000
                    easing.type: Easing.InOutQuad
                }
            }
        }
        PointLight {
            id: light2
            color: Qt.rgba(0.1, 1.0, 0.1, 1.0)
            ambientColor: Qt.rgba(0.1, 0.1, 0.1, 1.0)
            position: Qt.vector3d(0, 300, 0)
            shadowMapFar: 2000
            shadowMapQuality: Light.ShadowMapQualityHigh
            visible: checkBox2.checked
            castsShadow: checkBoxShadows.checked
            brightness: slider2.sliderValue
            SequentialAnimation on x {
                loops: Animation.Infinite
                NumberAnimation {
                    to: 400
                    duration: 2000
                    easing.type: Easing.InOutQuad
                }
                NumberAnimation {
                    to: 0
                    duration: 2000
                    easing.type: Easing.InOutQuad
                }
            }
        }
        SpotLight {
            id: light4
            color: Qt.rgba(1.0, 0.9, 0.7, 1.0)
            ambientColor: Qt.rgba(0.0, 0.0, 0.0, 0.0)
            position: Qt.vector3d(0, 250, 0)
            eulerRotation.x: -45
            shadowMapFar: 2000
            shadowMapQuality: Light.ShadowMapQualityHigh
            visible: checkBox4.checked
            castsShadow: checkBoxShadows.checked
            brightness: slider4.sliderValue
            coneAngle: 50
            innerConeAngle: 30
            PropertyAnimation on eulerRotation.y {
                loops: Animation.Infinite
                from: 0
                to: -360
                duration: 10000
            }
        }
        Model {
            source: "#Rectangle"
            y: -200
            scale: Qt.vector3d(15, 15, 15)
            eulerRotation.x: -90
            materials: [
                DefaultMaterial {
                    diffuseColor: Qt.rgba(0.8, 0.6, 0.4, 1.0)
                }
            ]
        }
        Model {
            source: "#Rectangle"
            z: -400
            scale: Qt.vector3d(15, 15, 15)
            materials: [
                DefaultMaterial {
                    diffuseColor: Qt.rgba(0.8, 0.8, 0.9, 1.0)
                }
            ]
        }
        RotatingTeaPot {
            visible: !checkBoxCustomMaterial.checked
            material: DefaultMaterial {
                diffuseColor: Qt.rgba(0.9, 0.9, 0.9, 1.0)
            }
            animate: checkBoxAnimate.checked
        }
        RotatingTeaPot {
            visible: checkBoxCustomMaterial.checked
            material: CustomMaterial {
                vertexShader: "custom.vert"
                property real uAmplitude: 0.5
                property real uTime: 0.0
                SequentialAnimation on uTime {
                    loops: -1
                    NumberAnimation { from: 0.0; to: 10.0; duration: 10000 }
                    NumberAnimation { from: 10.0; to: 0.0; duration: 10000 }
                }
            }
            animate: checkBoxAnimate.checked
        }
        Model {
            source: "#Cube"
            position: light1.position
            rotation: light1.rotation
            property real size: slider1.highlight ? 0.2 : 0.1
            scale: Qt.vector3d(size, size, size)
            materials: [
                DefaultMaterial {
                    diffuseColor: light1.color
                    opacity: 0.4
                }
            ]
        }
        Model {
            source: "#Cube"
            position: light2.position
            rotation: light2.rotation
            property real size: slider2.highlight ? 0.2 : 0.1
            scale: Qt.vector3d(size, size, size)
            materials: [
                DefaultMaterial {
                    diffuseColor: light2.color
                    opacity: 0.4
                }
            ]
        }
        Model {
            source: "#Cube"
            position: light4.position
            rotation: light4.rotation
            property real size: slider4.highlight ? 0.2 : 0.1
            scale: Qt.vector3d(size, size, size)
            materials: [
                DefaultMaterial {
                    diffuseColor: light4.color
                    opacity: 0.4
                }
            ]
        }
    }
    Frame {
        anchors.top: parent.top
        anchors.topMargin: 20
        anchors.left: parent.left
        anchors.leftMargin: 10
        background: Rectangle {
            color: "#e0e0e0"
            border.color: "#000000"
            border.width: 1
            opacity: 0.8
        }
        Column {
            id: settingsArea
            CustomCheckBox {
                id: checkBoxShadows
                text: qsTr("Enable Shadows")
                checked: true
            }
            Item { width: 1; height: 20 }
            CustomCheckBox {
                id: checkBoxAnimate
                text: qsTr("Rotate Teapot")
                checked: true
            }
            Item { width: 1; height: 20 }
            CustomCheckBox {
                id: checkBoxCustomMaterial
                text: qsTr("Custom Material")
                checked: false
            }
            Item { width: 1; height: 40 }
            CustomCheckBox {
                id: checkBox1
                text: qsTr("Directional Light")
                checked: true
            }
            CustomSlider {
                id: slider1
                sliderValue: 0.5
                fromValue: 0
                toValue: 1
            }
            Item { width: 1; height: 40 }
            CustomCheckBox {
                id: checkBox2
                text: qsTr("Point Light")
                checked: false
            }
            CustomSlider {
                id: slider2
                sliderValue: 6
                fromValue: 0
                toValue: 10
            }
            Item { width: 1; height: 40 }
            CustomCheckBox {
                id: checkBox4
                text: qsTr("Spot Light")
                checked: false
            }
            CustomSlider {
                id: slider4
                sliderValue: 10
                fromValue: 0
                toValue: 30
            }
        }
    }
}