def paintGL(self):
#print('drawing')
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
now = time.time() - self.startTime
GL.glLoadIdentity()
GL.glTranslate(0.0, 0.0, -5.0)
GL.glScale(2.0, 2.0, 2.0)
GL.glRotate(1000 * math.sin(now / 10), 0, 1, 0)
GL.glRotate(1000 * math.cos(now / 10), 1, 0, 0)
GL.glRotate(100 * math.tan(now / 10), 0, 0, 1)
GL.glTranslate(-0.5, -0.5, -0.5)
GL.glEnableClientState(GL.GL_VERTEX_ARRAY)
GL.glEnableClientState(GL.GL_COLOR_ARRAY)
GL.glVertexPointerf(self.cubeVtxArray)
GL.glColorPointerf(self.cubeClrArray)
GL.glDrawElementsui(GL.GL_QUADS, self.cubeIdxArray)
GL.glLoadIdentity()
GL.glBegin(GL.GL_LINES)
GL.glColor3f(0, 1, 0)
#draw the grid
for x in range(50):
#print(str((x/2)-12.5))
#horizontal
GL.glVertex3f(25, -1, ((x / 2) - 12.5))
GL.glVertex3f(-25, -1, ((x / 2) - 12.5))
#forward
GL.glVertex3f(((x / 2) - 12.5), -1, 12.5)
GL.glVertex3f(((x / 2) - 12.5), -1, -12.5)
GL.glEnd()
#draw the sound data
data = Fourier.fft_abs(self.ear.stream_read())
GL.glBegin(GL.GL_LINES)
GL.glColor3f(0, 0, 1)
#width is the world space horizontal length of the drawing
width = 2
#delta is the space in between lines
delta = width / self.ear.chunk
for x in range(len(data)):
GL.glVertex3f((delta * x - width / 2), 0.00001 * data[x] - 5, -5)
GL.glVertex3f((delta * x - width / 2), -5, -5)
GL.glEnd()
#self.drawData()
GL.glFlush()
