Qt Quick 3D - HelloCube Example
Demonstrates how to render 2D and 3D objects together in Qt Quick 3D.
HelloCube demonstrates how to render a 3D cube with 2D items in Qt Quick 3D.
Draw 2D Items
We set up the entire scene in the main.qml file.
To be able to use the types in the QtQuick3D module, we must import it:
import QtQuick3D
We define simple QtQuick Items with an Image and a Text on a Rectangle.
Image { anchors.fill: parent source: "qt_logo.png" } Text { anchors.bottom: parent.bottom anchors.left: parent.left color: "white" font.pixelSize: 17 text: qsTr("The Future is Written with Qt") }
This simple rectangle has two animations for flipping vertically.
transform: Rotation { id: rotation origin.x: qt_logo.width / 2 origin.y: qt_logo.height / 2 axis { x: 1; y: 0; z: 0 } } PropertyAnimation { id: flip1 target: rotation property: "angle" duration: 600 to: 180 from: 0 } PropertyAnimation { id: flip2 target: rotation property: "angle" duration: 600 to: 360 from: 180 }
Draw a 3D Cube
Drawing a cube is very simple. After defining a Camera, and a Light, we make a cube with a built-in Model. In this example, we render the previous 2D Rectangle on this cube surface as a diffuse Texture. In our Rectangle, we set layer.enabled
to true
.
layer.enabled: true
When enabled, this property makes the 2D item render into a offscreen surface, which we then use as a texture for our cube.
id: cube source: "#Cube" materials: DefaultMaterial { diffuseMap: Texture { sourceItem: qt_logo } } eulerRotation.y: 90
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