RafaVieira

Esse código deveria mostrar uma janela e desenhar um triângulo. import sys from PyQt5 import QtOpenGL from PyQt5.QtWidgets import * from OpenGL.GL import * class MyCanvas(QtOpenGL.QGLWidget): def __init__(self): super(MyCanvas, self).__init__() self.setGeometry(100, 100, 600, 400) self.setWindowTitle('MyGLDrawer') self.m_w = 0 self.m_h = 0 def initializeGL(self): glClearColor(1.0, 1.0, 1.0, 1.0) glClear(GL_COLOR_BUFFER_BIT) def resizeGL(self, _width, _height): self.m_w = _width self.m_h = _height glViewport(0, 0, self.m_w, self.m_h) glMatrixMode(GL_PROJECTION) glLoadIdentity() glOrtho(0.0, self.m_w, 0.0, self.m_h, -1.0, 1.0) glMatrixMode(GL_MODELVIEW) glLoadIdentity() def paintGL(self): glClear(GL_COLOR_BUFFER_BIT) xA = self.m_w / 3.0 yA = self.m_h / 3.0 xB = self.m_w * (2.0 / 3.0) yB = self.m_h / 3.0 xC = self.m_w / 2.0 yC = self.m_h * (2.0 / 3.0) glShadeModel(GL_SMOOTH) glBegin(GL_TRIANGLES) glColor3f(1.0, 0.0, 0.0) # red glVertex2f(xA, yA) glColor3f(0.0, 1.0, 0.0) # green glVertex2f(xB, yB) glColor3f(0.0, 0.0, 1.0) # blue glVertex2f(xC, yc) glEnd() if __name__ == '__main__': app = QApplication(sys.argv) widget = MyCanvas() widget.show() sys.exit(app.exec_()) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Executando esse código está aparecendo o seguinte erro: File "C:\Users\BuscapÚ\PycharmProjects\Rafael_Vieira\main3.py", line 19, in initializeGL glClearColor(1.0, 1.0, 1.0, 1.0) File "C:\Users\BuscapÚ\AppData\Local\Programs\Python\Python36\lib\site-packages\OpenGL\platform\baseplatform.py", line 415, in __call__ return self( *args, **named ) File "C:\Users\BuscapÚ\AppData\Local\Programs\Python\Python36\lib\site-packages\OpenGL\error.py", line 234, in glCheckError baseOperation = baseOperation, OpenGL.error.GLError: GLError( err = 1282, description = b'opera\xe7\xe3o inv\xe1lida', baseOperation = glClearColor, cArguments = (1.0, 1.0, 1.0, 1.0) ) Alguém tem ideia do que pode ser?