Moving Point source: Doppler effect and shock wave

Press to try it (Each click will create a new window!), Close the created window to Quit

Things to try:

  1. wave speed, wave length and the speed of the point source can be adjusted
  2. Click near tip of the corresponding arrows and drag the mouse
  3. click mouse button within the window to suspend the animation, click it again to continue.
  4. When ( speed of the point source > wave speed ), a shock wave is formed.

It would be highly appreciated if you can give me some suggestions about this applet. I would like to make it better.

Any suggestions? Please click

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