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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Controls
import QtQuick3D
ApplicationWindow {
id: window
width: 1280
height: 720
visible: true
color: "black"
title: "Dynamic Model Creation example"
Column {
anchors.top: parent.top
anchors.horizontalCenter: parent.horizontalCenter
anchors.margins: 20
Label {
id: countLabel
font.pointSize: 20
font.bold: true
color: "slategrey"
text: "No. models: " + shapeSpawner.count
}
Row {
anchors.horizontalCenter: parent.horizontalCenter
spacing: 10
RoundButton {
text: "-"
font.bold: true
palette.button: "slategrey"
onClicked: shapeSpawner.removeShape()
}
RoundButton {
text: "+"
font.bold: true
palette.button: "slategrey"
onClicked: shapeSpawner.addShape()
}
}
}
View3D {
anchors.fill: parent
camera: camera
renderMode: View3D.Underlay
environment: SceneEnvironment {
clearColor: "black"
backgroundMode: SceneEnvironment.Color
antialiasingMode: SceneEnvironment.MSAA
antialiasingQuality: SceneEnvironment.High
}
PointLight {
position: Qt.vector3d(0, 0, 0);
brightness: 2.5
}
Node {
position: Qt.vector3d(0, 0, 0);
PerspectiveCamera {
position: Qt.vector3d(0, 0, 600)
}
SequentialAnimation on eulerRotation.y {
loops: Animation.Infinite
PropertyAnimation {
duration: 5000
to: 360
from: 0
}
}
}
//! [spawner node]
Node {
id: shapeSpawner
property real range: 300
property var instances: []
property int count
//! [spawner node]
//! [adding]
function addShape()
{
var xPos = (2 * Math.random() * range) - range;
var yPos = (2 * Math.random() * range) - range;
var zPos = (2 * Math.random() * range) - range;
var shapeComponent = Qt.createComponent("WeirdShape.qml");
let instance = shapeComponent.createObject(shapeSpawner,
{ "x": xPos, "y": yPos, "z": zPos, "scale": Qt.vector3d(0.25, 0.25, 0.25)});
instances.push(instance);
count = instances.length
}
//! [adding]
//! [removing]
function removeShape()
{
if (instances.length > 0) {
let instance = instances.pop();
instance.destroy();
count = instances.length
}
}
//! [removing]
}
//! [startup]
Component.onCompleted: {
for (var i = 0; i < 10; ++i)
shapeSpawner.addShape()
}
//! [startup]
}
}
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