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#!/usr/bin/python
#############################################################################
##
## Copyright (C) 2017 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of PySide2.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Test cases for Q3DExtras'''
from helper import UsesQGuiApplication
import unittest
from PySide2.QtCore import(Property, QObject, QPropertyAnimation, QTimer, Signal, Slot)
from PySide2.QtGui import (QGuiApplication, QMatrix4x4, QQuaternion, QVector3D, QWindow)
from PySide2.Qt3DCore import (Qt3DCore)
from PySide2.Qt3DRender import (Qt3DRender)
from PySide2.Qt3DExtras import (Qt3DExtras)
class OrbitTransformController(QObject):
def __init__(self, parent):
super(OrbitTransformController, self).__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(Window, self).__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(UsesQGuiApplication):
'''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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