class GLWidget(QGLWidget):
def __init__(self, parent=None):
super(GLWidget, self).__init__(parent)
self.camera = MayaCamera()
def initializeGL(self):
glEnable(GL_DEPTH_TEST)
def paintGL(self):
# Clear the depth buffer
glClear(GL_DEPTH_BUFFER_BIT)
# Clear the screen with gradient
drawGradient()
# Setup camera
glMatrixMode(GL_PROJECTION)
glLoadMatrixf(self.camera.proj_matrix.data())
glMatrixMode(GL_MODELVIEW)
glLoadMatrixf(self.camera.view_matrix.data())
# Draw a square
glColor3f(0.8, 0.3, 0)
glBegin(GL_QUADS)
glVertex3f(-1, -1, 0)
glVertex3f(1, -1, 0)
glVertex3f(1, 1, 0)
glVertex3f(-1, 1, 0)
glEnd()
# Tell the widget to redraw next time
self.update()
def resizeGL(self, width, height):
glViewport(0, 0, width, height)
self.camera.aspect = float(width) / height
def mousePressEvent(self, event):
self.last_pos = event.posF()
def mouseMoveEvent(self, event):
dxy = event.posF() - self.last_pos
dx = dxy.x() / self.width()
dy = dxy.y() / self.height()
if event.buttons() & Qt.LeftButton:
self.camera.rotate(dx, dy)
elif event.buttons() & Qt.MidButton:
self.camera.pan(dx, dy)
elif event.buttons() & Qt.RightButton:
self.camera.zoom(dx, dy)
self.last_pos = event.posF()
def wheelEvent(self, event):
self.camera.zoom(event.delta() / 360.0, 0.0)
class OrangeWidget(QtOpenGL.QGLWidget):
def __init__(self, parent=None):
super(OrangeWidget, self).__init__(parent)
self.camera = MayaCamera()
self.timer = QtCore.QTime()
self.reset_fps()
@property
def fps(self):
return 1000.0 * self.frames / max(1, self.timer.elapsed())
def reset_fps(self):
self.frames = 0
self.timer.start()
def cleanup(self):
self.orange = None
def initializeGL(self):
self.cleanup()
self.orange = Orange()
self.orange.set_camera_xform(self.camera.view_matrix_inv.data())
log.info('OpenGL %s' % glGetString(GL_VERSION))
def paintGL(self):
fb = self.orange.render()
self.drawTexture(QtCore.QRectF(-1,-1,2,2), fb)
glFinish()
self.update()
self.frames += 1
def resizeGL(self, width, height):
glViewport(0, 0, width, height)
self.camera.aspect = float(width) / height
def mousePressEvent(self, event):
self.last_pos = event.posF()
def mouseMoveEvent(self, event):
dxy = event.posF() - self.last_pos
dx = dxy.x() / self.width()
dy = dxy.y() / self.height()
if event.buttons() & QtCore.Qt.LeftButton:
self.camera.rotate(dx, dy)
elif (event.buttons() & Qt.MidButton) or event.modifiers():
self.camera.pan(dx, dy)
elif event.buttons() & QtCore.Qt.RightButton:
self.camera.zoom(dx, dy)
self.orange.set_camera_xform(self.camera.view_matrix_inv.data())
self.last_pos = event.posF()
def wheelEvent(self, event):
self.camera.zoom(event.delta() / 360.0, 0.0)
self.orange.set_camera_xform(self.camera.view_matrix_inv.data())
class OrangeWidget(QtOpenGL.QGLWidget):
def __init__(self, parent=None):
super(OrangeWidget, self).__init__(parent)
self.camera = MayaCamera()
self.timer = QtCore.QTime()
self.reset_fps()
@property
def fps(self):
return 1000.0 * self.frames / max(1, self.timer.elapsed())
def reset_fps(self):
self.frames = 0
self.timer.start()
def cleanup(self):
self.orange = None
def initializeGL(self):
self.cleanup()
self.orange = Orange()
self.orange.set_camera_xform(self.camera.view_matrix_inv.data())
log.info('OpenGL %s' % glGetString(GL_VERSION))
def paintGL(self):
fb = self.orange.render()
self.drawTexture(QtCore.QRectF(-1, -1, 2, 2), fb)
glFinish()
self.update()
self.frames += 1
def resizeGL(self, width, height):
glViewport(0, 0, width, height)
self.camera.aspect = float(width) / height
def mousePressEvent(self, event):
self.last_pos = event.posF()
def mouseMoveEvent(self, event):
dxy = event.posF() - self.last_pos
dx = dxy.x() / self.width()
dy = dxy.y() / self.height()
if event.buttons() & QtCore.Qt.LeftButton:
self.camera.rotate(dx, dy)
elif (event.buttons() & QtCore.Qt.MidButton) or event.modifiers():
self.camera.pan(dx, dy)
elif event.buttons() & QtCore.Qt.RightButton:
self.camera.zoom(dx, dy)
self.orange.set_camera_xform(self.camera.view_matrix_inv.data())
self.last_pos = event.posF()
def wheelEvent(self, event):
self.camera.zoom(event.delta() / 360.0, 0.0)
self.orange.set_camera_xform(self.camera.view_matrix_inv.data())
class GLWidget(QGLWidget):
def __init__(self, parent=None):
super(GLWidget, self).__init__(parent)
self.camera = MayaCamera()
def initializeGL(self):
glEnable(GL_DEPTH_TEST)
def paintGL(self):
# Clear the depth buffer
glClear(GL_DEPTH_BUFFER_BIT)
# Clear the screen with gradient
drawGradient()
# Setup camera
glMatrixMode(GL_PROJECTION)
glLoadMatrixf(self.camera.proj_matrix.data())
glMatrixMode(GL_MODELVIEW)
glLoadMatrixf(self.camera.view_matrix.data())
# Draw a square
glColor3f(0.8, 0.3, 0)
glBegin(GL_QUADS)
glVertex3f(-1, -1, 0)
glVertex3f(1, -1, 0)
glVertex3f(1, 1, 0)
glVertex3f(-1, 1, 0)
glEnd()
# Tell the widget to redraw next time
self.update()
def resizeGL(self, width, height):
glViewport(0, 0, width, height)
self.camera.aspect = float(width) / height
def mousePressEvent(self, event):
self.last_pos = event.posF()
def mouseMoveEvent(self, event):
dxy = event.posF() - self.last_pos
dx = dxy.x() / self.width()
dy = dxy.y() / self.height()
if event.buttons() & Qt.LeftButton:
self.camera.rotate(dx, dy)
elif (event.buttons() & Qt.MidButton) or event.modifiers():
self.camera.pan(dx, dy)
elif event.buttons() & Qt.RightButton:
self.camera.zoom(dx, dy)
self.last_pos = event.posF()
def wheelEvent(self, event):
self.camera.zoom(event.delta() / 360.0, 0.0)
class GLWidget(QGLWidget):
def __init__(self, parent=None):
super(GLWidget, self).__init__(parent)
self.camera = MayaCamera()
self.psys = ParticleSystem()
def initializeGL(self):
glEnable(GL_DEPTH_TEST)
glEnable(GL_POINT_SMOOTH)
def paintGL(self):
# Update the particle system
self.psys.update()
# Clear the screen
glClear(GL_DEPTH_BUFFER_BIT)
drawGradient()
# Setup camera
glMatrixMode(GL_PROJECTION)
glLoadMatrixf(self.camera.proj_matrix.data())
glMatrixMode(GL_MODELVIEW)
glLoadMatrixf(self.camera.view_matrix.data())
# Draw the particle system
self.psys.draw()
# Tell the widget to redraw next time
self.update()
def resizeGL(self, width, height):
glViewport(0, 0, width, height)
self.camera.aspect = float(width) / height
def mousePressEvent(self, event):
self.last_pos = event.posF()
def mouseMoveEvent(self, event):
dxy = event.posF() - self.last_pos
dx = dxy.x() / self.width()
dy = dxy.y() / self.height()
if event.buttons() & Qt.LeftButton:
self.camera.rotate(dx, dy)
elif (event.buttons() & Qt.MidButton) or event.modifiers():
self.camera.pan(dx, dy)
elif event.buttons() & Qt.RightButton:
self.camera.zoom(dx, dy)
self.last_pos = event.posF()
def wheelEvent(self, event):
self.camera.zoom(event.delta() / 360.0, 0.0)
class GLWidget(QGLWidget):
def __init__(self, parent=None):
super(GLWidget, self).__init__(parent)
self.camera = MayaCamera()
self.psys = ParticleSystem()
def initializeGL(self):
glEnable(GL_DEPTH_TEST)
glEnable(GL_POINT_SMOOTH)
def paintGL(self):
# Update the particle system
self.psys.update()
# Clear the screen
glClear(GL_DEPTH_BUFFER_BIT)
drawGradient()
# Setup camera
glMatrixMode(GL_PROJECTION)
glLoadMatrixf(self.camera.proj_matrix.data())
glMatrixMode(GL_MODELVIEW)
glLoadMatrixf(self.camera.view_matrix.data())
# Draw the particle system
self.psys.draw()
# Tell the widget to redraw next time
self.update()
def resizeGL(self, width, height):
glViewport(0, 0, width, height)
self.camera.aspect = float(width) / height
def mousePressEvent(self, event):
self.last_pos = event.posF()
def mouseMoveEvent(self, event):
dxy = event.posF() - self.last_pos
dx = dxy.x() / self.width()
dy = dxy.y() / self.height()
if event.buttons() & Qt.LeftButton:
self.camera.rotate(dx, dy)
elif (event.buttons() & Qt.MidButton) or event.modifiers():
self.camera.pan(dx, dy)
elif event.buttons() & Qt.RightButton:
self.camera.zoom(dx, dy)
self.last_pos = event.posF()
def wheelEvent(self, event):
self.camera.zoom(event.delta() / 360.0, 0.0)