message: viewer color fix
diff: @@ -241,13 +241,14 @@ class BaseViewer(Viewer):
  else:
  color_line = self.color_other_agents_line
  color_face = self.color_other_agents_face
  - self.drawAgent(agent, color_line, alpha, color_face)
  if self.draw_history:
  if self.draw_history_draw_face:
  color_face = color_face
  else:
  - color_face = None
  + color_face = (1.0, 1.0, 1,.0)
  self.drawHistory(agent, color_line, alpha, color_face)
  + self.drawAgent(agent, color_line, alpha, color_face)
  +
  if debug_text:
  self.drawText(position=(0.1, 0.9), text="Scenario: {}".format(scenario_idx), fontsize=14)
  self.drawText(position=(0.1, 0.95), text="Time: {:.2f}".format(world.time), fontsize=14)
  