C

main.qml Example File

layersinquick/main.qml
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import QtQuick 2.8 import QtStudio3D 2.2 import QtQuick.Controls 2.2 Rectangle { id: root color: "lightGray" Button { id: profBtn text: "Profile UI" // we use a Studio3DProfiler item so toggle that instead of pres.profileUiVisible onClicked: quickBasedProfileUI.visible = !quickBasedProfileUI.visible focusPolicy: Qt.NoFocus } CheckBox { id: shaderEffectCb text: "ShaderEffect" checked: true anchors.left: profBtn.right focusPolicy: Qt.NoFocus } CheckBox { id: sizeFollowCb text: "Layer follows View size" checked: true anchors.left: shaderEffectCb.right focusPolicy: Qt.NoFocus } CheckBox { id: msaaCb text: "SSAA/MSAA version" checked: false anchors.left: sizeFollowCb.right focusPolicy: Qt.NoFocus } Studio3D { id: s3d anchors.fill: parent anchors.margins: 40 Presentation { id: pres source: msaaCb.checked ? "qrc:/layers_ssaa_msaa.uip" : "qrc:/layers.uip" profilingEnabled: true } } Rectangle { y: 40 width: parent.width / 2 height: parent.height - 40 color: "red" View3D { id: viewFor3DLayer1 engine: s3d source: "LayerWithTransparentBackground" sizeLayerToView: sizeFollowCb.checked anchors.fill: parent anchors.margins: 10 property bool shaderEffectActive: shaderEffectCb.checked visible: !shaderEffectActive } ShaderEffectSource { id: effSource sourceItem: viewFor3DLayer1 visible: viewFor3DLayer1.shaderEffectActive } ShaderEffect { visible: viewFor3DLayer1.shaderEffectActive anchors.fill: parent anchors.margins: 10 property variant source: effSource property real amplitude: 0.02 property real frequency: 20 property real time: 0 NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 } fragmentShader: GraphicsInfo.profile === GraphicsInfo.OpenGLCoreProfile ? "#version 330 core\n" + "uniform float qt_Opacity;\n" + "uniform float amplitude;\n" + "uniform float frequency;\n" + "uniform float time;\n" + "uniform sampler2D source;\n" + "in vec2 qt_TexCoord0;\n" + "out vec4 fragColor;\n" + "void main() {\n" + " vec2 p = sin(time + frequency * qt_TexCoord0);\n" + " fragColor = texture(source, qt_TexCoord0 + amplitude * vec2(p.y, -p.x)) * qt_Opacity;\n" + "}" : "uniform float qt_Opacity;\n" + "uniform float amplitude;\n" + "uniform float frequency;\n" + "uniform float time;\n" + "uniform sampler2D source;\n" + "varying vec2 qt_TexCoord0;\n" + "void main() {\n" + " vec2 p = sin(time + frequency * qt_TexCoord0);\n" + " gl_FragColor = texture2D(source, qt_TexCoord0 + amplitude * vec2(p.y, -p.x)) * qt_Opacity;\n" + "}" } Text { text: "This here is a View3D in a Rectangle\ndisplaying only one layer from the Qt 3D Studio scene" color: "black" font.pointSize: 16 } } Rectangle { x: parent.width / 2 y: 40 width: parent.width / 2 height: parent.height - 40 color: "green" View3D { id: viewFor3DLayer2 engine: s3d source: "LayerWithSolidBackground" sizeLayerToView: sizeFollowCb.checked anchors.fill: parent anchors.margins: 10 transform: [ Rotation { id: rotation; axis.x: 0; axis.z: 0; axis.y: 1; angle: 0; origin.x: viewFor3DLayer2.width / 2; origin.y: viewFor3DLayer2.height / 2; }, Translate { id: txOut; x: -viewFor3DLayer2.width / 2; y: -viewFor3DLayer2.height / 2 }, Scale { id: scale; }, Translate { id: txIn; x: viewFor3DLayer2.width / 2; y: viewFor3DLayer2.height / 2 } ] SequentialAnimation { PauseAnimation { duration: 2000 } ParallelAnimation { NumberAnimation { target: scale; property: "xScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack } NumberAnimation { target: scale; property: "yScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack } } NumberAnimation { target: rotation; property: "angle"; to: 80; duration: 1000; easing.type: Easing.InOutCubic } NumberAnimation { target: rotation; property: "angle"; to: -80; duration: 1000; easing.type: Easing.InOutCubic } NumberAnimation { target: rotation; property: "angle"; to: 0; duration: 1000; easing.type: Easing.InOutCubic } NumberAnimation { target: viewFor3DLayer2; property: "opacity"; to: 0.5; duration: 1000; easing.type: Easing.InOutCubic } PauseAnimation { duration: 1000 } NumberAnimation { target: viewFor3DLayer2; property: "opacity"; to: 0.8; duration: 1000; easing.type: Easing.InOutCubic } ParallelAnimation { NumberAnimation { target: scale; property: "xScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack } NumberAnimation { target: scale; property: "yScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack } } running: true loops: Animation.Infinite } } Text { text: "Another View3D showing the other layer" color: "black" font.pointSize: 16 } } // This example uses Qt Quick-based debug views because rendering them with // Qt 3D is not feasible anymore in the separated views model (as Qt 3D is // not responsible for the final composed image). Studio3DProfiler { id: quickBasedProfileUI visible: false focus: true anchors.fill: parent anchors.topMargin: 40 // make sure we do not cover the top area with the buttons } }

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