Description: The position of the stars is random. The panel can respond to user operation, when on the panel and press the mouse around the rotation, star track will follow the direction of rotation changes.
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File list (Check if you may need any files):
练习81无限星空\Star.class
..............\StarField.class
..............\StarField.html
..............\StarField.java
..............\练习81无限星空.doc
练习81无限星空