第10 步：我们现在有了球的 x 速度，但是球的 y 速度是多少？
- 在碰撞事件中添加Get y Speed ，就在sprite .get_x_speed()下
- 将新的my_var （在.get_y_speed()命令之前！）更改为ball_y_speed 。
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第10 步：我们现在有了球的 x 速度，但是球的 y 速度是多少？
To navigate the page using the TAB key, first press ESC to exit the code editor.
Your micro:bit is not set up for this program. Follow these steps to use your device with Codesters:
Your micro:bit has an old version of the Codesters binary file. Follow these steps to update the file on your micro:bit:
Warning: This will erase any existing program on your micro:bit.
Having trouble? Check out the micro:bit instructions to update your firmware.
Setting up your micro:bit
Calibrate your micro:bit by tilting it until all the LEDs are lit.
For a demonstration see the micro:bit calibration instructions.
Try the following steps to connect to your Micro:bit:
1. You may need to reload this page and try your program again.
2. Try disconnecting and reconnecting your Micro:bit. Then reload the page and run your program again.
3. If you are still having problems your Micro:bit may have an old firmware version that is incompatible with Codesters.
To update the firmware follow these Micro:bit instructions.
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If that doesn't fix the problem try disconnecting your Micro:bit, reloading this page, and reconnecting your Micro:bit.
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