Panda3d 带箭头的相机移动

Question

我正在尝试使用带箭头的 panda3d 移动我的相机，但出现错误：功能：

W = KeyboardButton.ascii_key('w')
S = KeyboardButton.ascii_key('s')
def moveTask(self, task):
        is_down = base.mouseWatcherNode.is_button_down
        dt = globalClock.getDt()
        if is_down(W):
            self.camera.setX(self.camera, -20 * dt)
        if is_down(S):
            self.camera.setX(self.camera, +20 * dt)
        return task.cont

以及我添加任务的位置：

   Traceback (most recent call last):
  File "panda.py", line 67, in <module>
    app.run()
  File "/usr/share/panda3d/direct/showbase/ShowBase.py", line 3025, in run
    self.taskMgr.run()
  File "/usr/share/panda3d/direct/task/Task.py", line 517, in run
    self.step()
  File "/usr/share/panda3d/direct/task/Task.py", line 471, in step
    self.mgr.poll()
TypeError: moveTask() takes exactly 2 arguments (1 given)

Answer 1

您的函数未绑定到 class，因此不会有 self。

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