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#!/usr/bin/python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test cases for Q3DExtras'''
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from helper.usesqapplication import UsesQApplication
from PySide6.QtCore import (Property, QObject, QPropertyAnimation, QTimer, Signal, Slot)
from PySide6.QtGui import (QGuiApplication, QMatrix4x4, QQuaternion, QVector3D, QWindow)
from PySide6.Qt3DCore import (Qt3DCore)
from PySide6.Qt3DRender import (Qt3DRender)
from PySide6.Qt3DExtras import (Qt3DExtras)
class OrbitTransformController(QObject):
def __init__(self, parent):
super().__init__(parent)
self._target = None
self._matrix = QMatrix4x4()
self._radius = 1
self._angle = 0
def setTarget(self, t):
self._target = t
def getTarget(self):
return self._target
def setRadius(self, radius):
if self._radius != radius:
self._radius = radius
self.updateMatrix()
self.radiusChanged.emit()
def getRadius(self):
return self._radius
def setAngle(self, angle):
if self._angle != angle:
self._angle = angle
self.updateMatrix()
self.angleChanged.emit()
def getAngle(self):
return self._angle
def updateMatrix(self):
self._matrix.setToIdentity()
self._matrix.rotate(self._angle, QVector3D(0, 1, 0))
self._matrix.translate(self._radius, 0, 0)
if self._target is not None:
self._target.setMatrix(self._matrix)
angleChanged = Signal()
radiusChanged = Signal()
angle = Property(float, getAngle, setAngle, notify=angleChanged)
radius = Property(float, getRadius, setRadius, notify=radiusChanged)
class Window(Qt3DExtras.Qt3DWindow):
def __init__(self):
super().__init__()
# Camera
self.camera().lens().setPerspectiveProjection(45, 16 / 9, 0.1, 1000)
self.camera().setPosition(QVector3D(0, 0, 40))
self.camera().setViewCenter(QVector3D(0, 0, 0))
# For camera controls
self.createScene()
self.camController = Qt3DExtras.QOrbitCameraController(self.rootEntity)
self.camController.setLinearSpeed(50)
self.camController.setLookSpeed(180)
self.camController.setCamera(self.camera())
self.setRootEntity(self.rootEntity)
def createScene(self):
# Root entity
self.rootEntity = Qt3DCore.QEntity()
# Material
self.material = Qt3DExtras.QPhongMaterial(self.rootEntity)
# Torus
self.torusEntity = Qt3DCore.QEntity(self.rootEntity)
self.torusMesh = Qt3DExtras.QTorusMesh()
self.torusMesh.setRadius(5)
self.torusMesh.setMinorRadius(1)
self.torusMesh.setRings(100)
self.torusMesh.setSlices(20)
self.torusTransform = Qt3DCore.QTransform()
self.torusTransform.setScale3D(QVector3D(1.5, 1, 0.5))
self.torusTransform.setRotation(QQuaternion.fromAxisAndAngle(QVector3D(1, 0, 0), 45))
self.torusEntity.addComponent(self.torusMesh)
self.torusEntity.addComponent(self.torusTransform)
self.torusEntity.addComponent(self.material)
# Sphere
self.sphereEntity = Qt3DCore.QEntity(self.rootEntity)
self.sphereMesh = Qt3DExtras.QSphereMesh()
self.sphereMesh.setRadius(3)
self.sphereTransform = Qt3DCore.QTransform()
self.controller = OrbitTransformController(self.sphereTransform)
self.controller.setTarget(self.sphereTransform)
self.controller.setRadius(20)
self.sphereEntity.addComponent(self.sphereMesh)
self.sphereEntity.addComponent(self.sphereTransform)
self.sphereEntity.addComponent(self.material)
class Qt3DExtrasTestCase(UsesQApplication):
'''Tests related to Q3DExtras'''
def test3DExtras(self):
window = Window()
window.show()
while not window.isExposed():
self.app.processEvents()
QTimer.singleShot(2000, self.app.quit)
self.app.exec()
if __name__ == '__main__':
unittest.main()
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